diff --git a/telegram/_bot.py b/telegram/_bot.py
index 9ce29b320..330b41c82 100644
--- a/telegram/_bot.py
+++ b/telegram/_bot.py
@@ -279,18 +279,16 @@ class Bot(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         timeout: ODVInput[float] = DEFAULT_NONE,
         api_kwargs: JSONDict = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Union[bool, Message]:
         if reply_to_message_id is not None:
             data['reply_to_message_id'] = reply_to_message_id
 
-        if protect_content:
-            data['protect_content'] = protect_content
-
         # We don't check if (DEFAULT_)None here, so that _post is able to insert the defaults
         # correctly, if necessary
         data['disable_notification'] = disable_notification
         data['allow_sending_without_reply'] = allow_sending_without_reply
+        data['protect_content'] = protect_content
 
         if reply_markup is not None:
             if isinstance(reply_markup, ReplyMarkup):
@@ -414,7 +412,7 @@ class Bot(TelegramObject):
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Message:
         """Use this method to send text messages.
 
@@ -534,7 +532,7 @@ class Bot(TelegramObject):
         disable_notification: DVInput[bool] = DEFAULT_NONE,
         timeout: ODVInput[float] = DEFAULT_NONE,
         api_kwargs: JSONDict = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Message:
         """Use this method to forward messages of any kind. Service messages can't be forwarded.
 
@@ -604,7 +602,7 @@ class Bot(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Message:
         """Use this method to send photos.
 
@@ -706,7 +704,7 @@ class Bot(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Message:
         """
         Use this method to send audio files, if you want Telegram clients to display them in the
@@ -834,7 +832,7 @@ class Bot(TelegramObject):
         disable_content_type_detection: bool = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Message:
         """
         Use this method to send general files.
@@ -946,7 +944,7 @@ class Bot(TelegramObject):
         timeout: DVInput[float] = DEFAULT_20,
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Message:
         """
         Use this method to send static ``.WEBP``, animated ``.TGS``, or video ``.WEBM`` stickers.
@@ -1026,7 +1024,7 @@ class Bot(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Message:
         """
         Use this method to send video files, Telegram clients support mp4 videos
@@ -1156,7 +1154,7 @@ class Bot(TelegramObject):
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Message:
         """
         As of v.4.0, Telegram clients support rounded square mp4 videos of up to 1 minute long.
@@ -1266,7 +1264,7 @@ class Bot(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Message:
         """
         Use this method to send animation files (GIF or H.264/MPEG-4 AVC video without sound).
@@ -1390,7 +1388,7 @@ class Bot(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Message:
         """
         Use this method to send audio files, if you want Telegram clients to display the file
@@ -1493,7 +1491,7 @@ class Bot(TelegramObject):
         timeout: DVInput[float] = DEFAULT_20,
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> List[Message]:
         """Use this method to send a group of photos or videos as an album.
 
@@ -1529,14 +1527,12 @@ class Bot(TelegramObject):
             'media': media,
             'disable_notification': disable_notification,
             'allow_sending_without_reply': allow_sending_without_reply,
+            'protect_content': protect_content,
         }
 
         if reply_to_message_id:
             data['reply_to_message_id'] = reply_to_message_id
 
-        if protect_content:
-            data['protect_content'] = protect_content
-
         result = self._post('sendMediaGroup', data, timeout=timeout, api_kwargs=api_kwargs)
 
         return Message.de_list(result, self)  # type: ignore
@@ -1558,7 +1554,7 @@ class Bot(TelegramObject):
         heading: int = None,
         proximity_alert_radius: int = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Message:
         """Use this method to send point on the map.
 
@@ -1805,7 +1801,7 @@ class Bot(TelegramObject):
         google_place_id: str = None,
         google_place_type: str = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Message:
         """Use this method to send information about a venue.
 
@@ -1862,7 +1858,7 @@ class Bot(TelegramObject):
         """
         if not (venue or all([latitude, longitude, address, title])):
             raise ValueError(
-                "Either venue or latitude, longitude, address and title must be"
+                "Either venue or latitude, longitude, address and title must be "
                 "passed as arguments."
             )
 
@@ -1920,7 +1916,7 @@ class Bot(TelegramObject):
         vcard: str = None,
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Message:
         """Use this method to send phone contacts.
 
@@ -2009,7 +2005,7 @@ class Bot(TelegramObject):
         timeout: ODVInput[float] = DEFAULT_NONE,
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Message:
         """Use this method to send a game.
 
@@ -3511,7 +3507,7 @@ class Bot(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         max_tip_amount: int = None,
         suggested_tip_amounts: List[int] = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Message:
         """Use this method to send invoices.
 
@@ -5059,7 +5055,7 @@ class Bot(TelegramObject):
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         explanation_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Message:
         """
         Use this method to send a native poll.
@@ -5220,7 +5216,7 @@ class Bot(TelegramObject):
         emoji: str = None,
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Message:
         """
         Use this method to send an animated emoji that will display a random value.
@@ -5495,7 +5491,7 @@ class Bot(TelegramObject):
         reply_markup: ReplyMarkup = None,
         timeout: ODVInput[float] = DEFAULT_NONE,
         api_kwargs: JSONDict = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> MessageId:
         """
         Use this method to copy messages of any kind. Service messages and invoice messages can't
@@ -5549,6 +5545,7 @@ class Bot(TelegramObject):
             'parse_mode': parse_mode,
             'disable_notification': disable_notification,
             'allow_sending_without_reply': allow_sending_without_reply,
+            'protect_content': protect_content,
         }
         if caption is not None:
             data['caption'] = caption
@@ -5556,8 +5553,6 @@ class Bot(TelegramObject):
             data['caption_entities'] = caption_entities
         if reply_to_message_id:
             data['reply_to_message_id'] = reply_to_message_id
-        if protect_content:
-            data['protect_content'] = protect_content
         if reply_markup:
             if isinstance(reply_markup, ReplyMarkup):
                 # We need to_json() instead of to_dict() here, because reply_markups may be
diff --git a/telegram/_callbackquery.py b/telegram/_callbackquery.py
index b18bf91d3..c2aa802fc 100644
--- a/telegram/_callbackquery.py
+++ b/telegram/_callbackquery.py
@@ -618,7 +618,7 @@ class CallbackQuery(TelegramObject):
         reply_markup: ReplyMarkup = None,
         timeout: ODVInput[float] = DEFAULT_NONE,
         api_kwargs: JSONDict = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'MessageId':
         """Shortcut for::
 
diff --git a/telegram/_chat.py b/telegram/_chat.py
index 35dd3b0ce..64168840c 100644
--- a/telegram/_chat.py
+++ b/telegram/_chat.py
@@ -745,7 +745,7 @@ class Chat(TelegramObject):
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -782,7 +782,7 @@ class Chat(TelegramObject):
         timeout: DVInput[float] = DEFAULT_20,
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> List['Message']:
         """Shortcut for::
 
@@ -844,7 +844,7 @@ class Chat(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -885,7 +885,7 @@ class Chat(TelegramObject):
         vcard: str = None,
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -930,7 +930,7 @@ class Chat(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -977,7 +977,7 @@ class Chat(TelegramObject):
         disable_content_type_detection: bool = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1016,7 +1016,7 @@ class Chat(TelegramObject):
         emoji: str = None,
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1049,7 +1049,7 @@ class Chat(TelegramObject):
         timeout: ODVInput[float] = DEFAULT_NONE,
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1102,7 +1102,7 @@ class Chat(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         max_tip_amount: int = None,
         suggested_tip_amounts: List[int] = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1169,7 +1169,7 @@ class Chat(TelegramObject):
         heading: int = None,
         proximity_alert_radius: int = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1216,7 +1216,7 @@ class Chat(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1257,7 +1257,7 @@ class Chat(TelegramObject):
         timeout: DVInput[float] = DEFAULT_20,
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1298,7 +1298,7 @@ class Chat(TelegramObject):
         google_place_id: str = None,
         google_place_type: str = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1348,7 +1348,7 @@ class Chat(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1394,7 +1394,7 @@ class Chat(TelegramObject):
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1436,7 +1436,7 @@ class Chat(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1486,7 +1486,7 @@ class Chat(TelegramObject):
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         explanation_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1534,7 +1534,7 @@ class Chat(TelegramObject):
         reply_markup: 'ReplyMarkup' = None,
         timeout: ODVInput[float] = DEFAULT_NONE,
         api_kwargs: JSONDict = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'MessageId':
         """Shortcut for::
 
@@ -1575,7 +1575,7 @@ class Chat(TelegramObject):
         reply_markup: 'ReplyMarkup' = None,
         timeout: ODVInput[float] = DEFAULT_NONE,
         api_kwargs: JSONDict = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'MessageId':
         """Shortcut for::
 
diff --git a/telegram/_message.py b/telegram/_message.py
index 462d48ba0..8157fd89c 100644
--- a/telegram/_message.py
+++ b/telegram/_message.py
@@ -739,7 +739,7 @@ class Message(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -785,7 +785,7 @@ class Message(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -841,7 +841,7 @@ class Message(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -893,7 +893,7 @@ class Message(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -944,7 +944,7 @@ class Message(TelegramObject):
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> List['Message']:
         """Shortcut for::
 
@@ -990,7 +990,7 @@ class Message(TelegramObject):
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1043,7 +1043,7 @@ class Message(TelegramObject):
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1098,7 +1098,7 @@ class Message(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1153,7 +1153,7 @@ class Message(TelegramObject):
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1202,7 +1202,7 @@ class Message(TelegramObject):
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1252,7 +1252,7 @@ class Message(TelegramObject):
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1306,7 +1306,7 @@ class Message(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         filename: str = None,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1356,7 +1356,7 @@ class Message(TelegramObject):
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1408,7 +1408,7 @@ class Message(TelegramObject):
         proximity_alert_radius: int = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1463,7 +1463,7 @@ class Message(TelegramObject):
         google_place_type: str = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1516,7 +1516,7 @@ class Message(TelegramObject):
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1572,7 +1572,7 @@ class Message(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         explanation_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1624,7 +1624,7 @@ class Message(TelegramObject):
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1690,7 +1690,7 @@ class Message(TelegramObject):
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1753,7 +1753,7 @@ class Message(TelegramObject):
         quote: bool = None,
         max_tip_amount: int = None,
         suggested_tip_amounts: List[int] = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1820,7 +1820,7 @@ class Message(TelegramObject):
         disable_notification: DVInput[bool] = DEFAULT_NONE,
         timeout: ODVInput[float] = DEFAULT_NONE,
         api_kwargs: JSONDict = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1866,7 +1866,7 @@ class Message(TelegramObject):
         reply_markup: ReplyMarkup = None,
         timeout: ODVInput[float] = DEFAULT_NONE,
         api_kwargs: JSONDict = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'MessageId':
         """Shortcut for::
 
@@ -1912,7 +1912,7 @@ class Message(TelegramObject):
         timeout: ODVInput[float] = DEFAULT_NONE,
         api_kwargs: JSONDict = None,
         quote: bool = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'MessageId':
         """Shortcut for::
 
diff --git a/telegram/_user.py b/telegram/_user.py
index 21950fbec..41937990a 100644
--- a/telegram/_user.py
+++ b/telegram/_user.py
@@ -336,7 +336,7 @@ class User(TelegramObject):
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -376,7 +376,7 @@ class User(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -414,7 +414,7 @@ class User(TelegramObject):
         timeout: DVInput[float] = DEFAULT_20,
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> List['Message']:
         """Shortcut for::
 
@@ -454,7 +454,7 @@ class User(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -525,7 +525,7 @@ class User(TelegramObject):
         vcard: str = None,
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -562,7 +562,7 @@ class User(TelegramObject):
         emoji: str = None,
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -601,7 +601,7 @@ class User(TelegramObject):
         disable_content_type_detection: bool = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -640,7 +640,7 @@ class User(TelegramObject):
         timeout: ODVInput[float] = DEFAULT_NONE,
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -693,7 +693,7 @@ class User(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         max_tip_amount: int = None,
         suggested_tip_amounts: List[int] = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -760,7 +760,7 @@ class User(TelegramObject):
         heading: int = None,
         proximity_alert_radius: int = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -807,7 +807,7 @@ class User(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -848,7 +848,7 @@ class User(TelegramObject):
         timeout: DVInput[float] = DEFAULT_20,
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -890,7 +890,7 @@ class User(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -940,7 +940,7 @@ class User(TelegramObject):
         google_place_id: str = None,
         google_place_type: str = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -985,7 +985,7 @@ class User(TelegramObject):
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1027,7 +1027,7 @@ class User(TelegramObject):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         caption_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
         filename: str = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1077,7 +1077,7 @@ class User(TelegramObject):
         api_kwargs: JSONDict = None,
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         explanation_entities: Union[List['MessageEntity'], Tuple['MessageEntity', ...]] = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'Message':
         """Shortcut for::
 
@@ -1125,7 +1125,7 @@ class User(TelegramObject):
         reply_markup: 'ReplyMarkup' = None,
         timeout: ODVInput[float] = DEFAULT_NONE,
         api_kwargs: JSONDict = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'MessageId':
         """Shortcut for::
 
@@ -1166,7 +1166,7 @@ class User(TelegramObject):
         reply_markup: 'ReplyMarkup' = None,
         timeout: ODVInput[float] = DEFAULT_NONE,
         api_kwargs: JSONDict = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> 'MessageId':
         """Shortcut for::
 
diff --git a/telegram/ext/_defaults.py b/telegram/ext/_defaults.py
index e2530763e..d9e9cd9af 100644
--- a/telegram/ext/_defaults.py
+++ b/telegram/ext/_defaults.py
@@ -54,6 +54,10 @@ class Defaults:
         run_async (:obj:`bool`, optional): Default setting for the ``run_async`` parameter of
             handlers and error handlers registered through :meth:`Dispatcher.add_handler` and
             :meth:`Dispatcher.add_error_handler`. Defaults to :obj:`False`.
+        protect_content (:obj:`bool`, optional): Protects the contents of the sent message from
+            forwarding and saving.
+
+            .. versionadded:: 14.0
     """
 
     __slots__ = (
@@ -66,6 +70,7 @@ class Defaults:
         '_allow_sending_without_reply',
         '_parse_mode',
         '_api_defaults',
+        '_protect_content',
     )
 
     def __init__(
@@ -80,6 +85,7 @@ class Defaults:
         tzinfo: pytz.BaseTzInfo = pytz.utc,
         run_async: bool = False,
         allow_sending_without_reply: bool = None,
+        protect_content: bool = None,
     ):
         self._parse_mode = parse_mode
         self._disable_notification = disable_notification
@@ -89,6 +95,7 @@ class Defaults:
         self._quote = quote
         self._tzinfo = tzinfo
         self._run_async = run_async
+        self._protect_content = protect_content
 
         # Gather all defaults that actually have a default value
         self._api_defaults = {}
@@ -98,6 +105,7 @@ class Defaults:
             'disable_notification',
             'disable_web_page_preview',
             'allow_sending_without_reply',
+            'protect_content',
         ):
             value = getattr(self, kwarg)
             if value not in [None, DEFAULT_NONE]:
@@ -220,6 +228,21 @@ class Defaults:
     def run_async(self, value: object) -> NoReturn:
         raise AttributeError("You can not assign a new value to run_async after initialization.")
 
+    @property
+    def protect_content(self) -> Optional[bool]:
+        """:obj:`bool`: Optional. Protects the contents of the sent message from forwarding and
+        saving.
+
+        .. versionadded:: 14.0
+        """
+        return self._protect_content
+
+    @protect_content.setter
+    def protect_content(self, value: object) -> NoReturn:
+        raise AttributeError(
+            "You can't assign a new value to protect_content after initialization."
+        )
+
     def __hash__(self) -> int:
         return hash(
             (
@@ -231,6 +254,7 @@ class Defaults:
                 self._quote,
                 self._tzinfo,
                 self._run_async,
+                self._protect_content,
             )
         )
 
diff --git a/telegram/ext/_extbot.py b/telegram/ext/_extbot.py
index 59a0684d5..ac527fa42 100644
--- a/telegram/ext/_extbot.py
+++ b/telegram/ext/_extbot.py
@@ -256,7 +256,7 @@ class ExtBot(Bot):
         allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
         timeout: ODVInput[float] = DEFAULT_NONE,
         api_kwargs: JSONDict = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> Union[bool, Message]:
         # We override this method to call self._replace_keyboard and self._insert_callback_data.
         # This covers most methods that have a reply_markup
@@ -387,7 +387,7 @@ class ExtBot(Bot):
         reply_markup: ReplyMarkup = None,
         timeout: ODVInput[float] = DEFAULT_NONE,
         api_kwargs: JSONDict = None,
-        protect_content: bool = None,
+        protect_content: ODVInput[bool] = DEFAULT_NONE,
     ) -> MessageId:
         # We override this method to call self._replace_keyboard
         return super().copy_message(
diff --git a/tests/test_animation.py b/tests/test_animation.py
index c4e6b3aaa..b2bd915bc 100644
--- a/tests/test_animation.py
+++ b/tests/test_animation.py
@@ -245,6 +245,14 @@ class TestAnimation:
                     chat_id, animation, reply_to_message_id=reply_to_message.message_id
                 )
 
+    @flaky(3, 1)
+    @pytest.mark.parametrize('default_bot', [{'protect_content': True}], indirect=True)
+    def test_send_animation_default_protect_content(self, default_bot, chat_id, animation):
+        animation_protected = default_bot.send_animation(chat_id, animation)
+        assert animation_protected.has_protected_content
+        ani_unprotected = default_bot.send_animation(chat_id, animation, protect_content=False)
+        assert not ani_unprotected.has_protected_content
+
     @flaky(3, 1)
     def test_resend(self, bot, chat_id, animation):
         message = bot.send_animation(chat_id, animation.file_id)
diff --git a/tests/test_audio.py b/tests/test_audio.py
index e64bfeb6c..a8f297456 100644
--- a/tests/test_audio.py
+++ b/tests/test_audio.py
@@ -35,9 +35,8 @@ from tests.conftest import (
 
 @pytest.fixture(scope='function')
 def audio_file():
-    f = data_file('telegram.mp3').open('rb')
-    yield f
-    f.close()
+    with open(data_file('telegram.mp3'), 'rb') as f:
+        yield f
 
 
 @pytest.fixture(scope='class')
@@ -186,7 +185,7 @@ class TestAudio:
 
     @flaky(3, 1)
     @pytest.mark.parametrize('default_bot', [{'parse_mode': 'Markdown'}], indirect=True)
-    def test_send_audio_default_parse_mode_1(self, default_bot, chat_id, audio_file, thumb_file):
+    def test_send_audio_default_parse_mode_1(self, default_bot, chat_id, audio_file):
         test_string = 'Italic Bold Code'
         test_markdown_string = '_Italic_ *Bold* `Code`'
 
@@ -196,7 +195,7 @@ class TestAudio:
 
     @flaky(3, 1)
     @pytest.mark.parametrize('default_bot', [{'parse_mode': 'Markdown'}], indirect=True)
-    def test_send_audio_default_parse_mode_2(self, default_bot, chat_id, audio_file, thumb_file):
+    def test_send_audio_default_parse_mode_2(self, default_bot, chat_id, audio_file):
         test_markdown_string = '_Italic_ *Bold* `Code`'
 
         message = default_bot.send_audio(
@@ -207,7 +206,7 @@ class TestAudio:
 
     @flaky(3, 1)
     @pytest.mark.parametrize('default_bot', [{'parse_mode': 'Markdown'}], indirect=True)
-    def test_send_audio_default_parse_mode_3(self, default_bot, chat_id, audio_file, thumb_file):
+    def test_send_audio_default_parse_mode_3(self, default_bot, chat_id, audio_file):
         test_markdown_string = '_Italic_ *Bold* `Code`'
 
         message = default_bot.send_audio(
@@ -216,6 +215,14 @@ class TestAudio:
         assert message.caption == test_markdown_string
         assert message.caption_markdown == escape_markdown(test_markdown_string)
 
+    @flaky(3, 1)
+    @pytest.mark.parametrize('default_bot', [{'protect_content': True}], indirect=True)
+    def test_send_audio_default_protect_content(self, default_bot, chat_id, audio):
+        protected_audio = default_bot.send_audio(chat_id, audio)
+        assert protected_audio.has_protected_content
+        unprotected = default_bot.send_audio(chat_id, audio, protect_content=False)
+        assert not unprotected.has_protected_content
+
     def test_send_audio_local_files(self, monkeypatch, bot, chat_id):
         # For just test that the correct paths are passed as we have no local bot API set up
         test_flag = False
diff --git a/tests/test_bot.py b/tests/test_bot.py
index 1de9dfe5b..72e100c75 100644
--- a/tests/test_bot.py
+++ b/tests/test_bot.py
@@ -253,7 +253,6 @@ class TestBot:
                 'de_list',
                 'to_dict',
                 'to_json',
-                'log',
                 'parse_data',
                 'get_updates',
                 'getUpdates',
@@ -743,6 +742,14 @@ class TestBot:
                     reply_to_message_id=reply_to_message.message_id,
                 )
 
+    @flaky(3, 1)
+    @pytest.mark.parametrize('default_bot', [{'protect_content': True}], indirect=True)
+    def test_send_poll_default_protect_content(self, chat_id, default_bot):
+        protected_poll = default_bot.send_poll(chat_id, 'Test', ['1', '2'])
+        assert protected_poll.has_protected_content
+        unprotect_poll = default_bot.send_poll(chat_id, 'test', ['1', '2'], protect_content=False)
+        assert not unprotect_poll.has_protected_content
+
     @flaky(3, 1)
     @pytest.mark.parametrize('emoji', Dice.ALL_EMOJI + [None])
     def test_send_dice(self, bot, chat_id, emoji):
@@ -785,6 +792,14 @@ class TestBot:
             with pytest.raises(BadRequest, match='message not found'):
                 default_bot.send_dice(chat_id, reply_to_message_id=reply_to_message.message_id)
 
+    @flaky(3, 1)
+    @pytest.mark.parametrize('default_bot', [{'protect_content': True}], indirect=True)
+    def test_send_dice_default_protect_content(self, chat_id, default_bot):
+        protected_dice = default_bot.send_dice(chat_id)
+        assert protected_dice.has_protected_content
+        unprotected_dice = default_bot.send_dice(chat_id, protect_content=False)
+        assert not unprotected_dice.has_protected_content
+
     @flaky(3, 1)
     @pytest.mark.parametrize(
         'chat_action',
@@ -1520,6 +1535,16 @@ class TestBot:
                     chat_id, game_short_name, reply_to_message_id=reply_to_message.message_id
                 )
 
+    @flaky(3, 1)
+    @pytest.mark.parametrize(
+        'default_bot,val',
+        [({'protect_content': True}, True), ({'protect_content': False}, None)],
+        indirect=['default_bot'],
+    )
+    def test_send_game_default_protect_content(self, default_bot, chat_id, val):
+        protected = default_bot.send_game(chat_id, 'test_game', protect_content=val)
+        assert protected.has_protected_content is val
+
     @xfail
     def test_set_game_score_1(self, bot, chat_id):
         # NOTE: numbering of methods assures proper order between test_set_game_scoreX methods
@@ -2084,6 +2109,15 @@ class TestBot:
         assert message.text == test_markdown_string
         assert message.text_markdown == escape_markdown(test_markdown_string)
 
+    @flaky(3, 1)
+    @pytest.mark.parametrize('default_bot', [{'protect_content': True}], indirect=True)
+    def test_send_message_default_protect_content(self, default_bot, chat_id):
+        to_check = default_bot.send_message(chat_id, "test")
+        assert to_check.has_protected_content
+
+        no_protect = default_bot.send_message(chat_id, "test", protect_content=False)
+        assert not no_protect.has_protected_content
+
     @flaky(3, 1)
     @pytest.mark.parametrize(
         'default_bot,custom',
diff --git a/tests/test_contact.py b/tests/test_contact.py
index 91bed3000..1ddd4970e 100644
--- a/tests/test_contact.py
+++ b/tests/test_contact.py
@@ -111,6 +111,14 @@ class TestContact:
                     chat_id, contact=contact, reply_to_message_id=reply_to_message.message_id
                 )
 
+    @flaky(3, 1)
+    @pytest.mark.parametrize('default_bot', [{'protect_content': True}], indirect=True)
+    def test_send_contact_default_protect_content(self, chat_id, default_bot, contact):
+        protected = default_bot.send_contact(chat_id, contact=contact)
+        assert protected.has_protected_content
+        unprotected = default_bot.send_contact(chat_id, contact=contact, protect_content=False)
+        assert not unprotected.has_protected_content
+
     def test_send_contact_without_required(self, bot, chat_id):
         with pytest.raises(ValueError, match='Either contact or phone_number and first_name'):
             bot.send_contact(chat_id=chat_id)
diff --git a/tests/test_defaults.py b/tests/test_defaults.py
index 19297b0f9..bee205c4d 100644
--- a/tests/test_defaults.py
+++ b/tests/test_defaults.py
@@ -18,6 +18,7 @@
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
 
 import pytest
+import inspect
 
 from telegram.ext import Defaults
 from telegram import User
@@ -33,29 +34,14 @@ class TestDefault:
     def test_data_assignment(self, dp):
         defaults = Defaults()
 
-        with pytest.raises(AttributeError):
-            defaults.parse_mode = True
-        with pytest.raises(AttributeError):
-            defaults.explanation_parse_mode = True
-        with pytest.raises(AttributeError):
-            defaults.disable_notification = True
-        with pytest.raises(AttributeError):
-            defaults.disable_web_page_preview = True
-        with pytest.raises(AttributeError):
-            defaults.allow_sending_without_reply = True
-        with pytest.raises(AttributeError):
-            defaults.timeout = True
-        with pytest.raises(AttributeError):
-            defaults.quote = True
-        with pytest.raises(AttributeError):
-            defaults.tzinfo = True
-        with pytest.raises(AttributeError):
-            defaults.run_async = True
+        for name, val in inspect.getmembers(Defaults, lambda x: isinstance(x, property)):
+            with pytest.raises(AttributeError):
+                setattr(defaults, name, True)
 
     def test_equality(self):
         a = Defaults(parse_mode='HTML', quote=True)
         b = Defaults(parse_mode='HTML', quote=True)
-        c = Defaults(parse_mode='HTML', quote=False)
+        c = Defaults(parse_mode='HTML', quote=True, protect_content=True)
         d = Defaults(parse_mode='HTML', timeout=50)
         e = User(123, 'test_user', False)
 
diff --git a/tests/test_document.py b/tests/test_document.py
index 90481964d..ffd74662b 100644
--- a/tests/test_document.py
+++ b/tests/test_document.py
@@ -241,6 +241,14 @@ class TestDocument:
                     chat_id, document, reply_to_message_id=reply_to_message.message_id
                 )
 
+    @flaky(3, 1)
+    @pytest.mark.parametrize('default_bot', [{'protect_content': True}], indirect=True)
+    def test_send_document_default_protect_content(self, chat_id, default_bot, document):
+        protected = default_bot.send_document(chat_id, document)
+        assert protected.has_protected_content
+        unprotected = default_bot.send_document(chat_id, document, protect_content=False)
+        assert not unprotected.has_protected_content
+
     def test_send_document_local_files(self, monkeypatch, bot, chat_id):
         # For just test that the correct paths are passed as we have no local bot API set up
         test_flag = False
diff --git a/tests/test_inputmedia.py b/tests/test_inputmedia.py
index b5e3ab6b0..885a1128a 100644
--- a/tests/test_inputmedia.py
+++ b/tests/test_inputmedia.py
@@ -565,6 +565,14 @@ class TestSendMediaGroup:
                     chat_id, media_group, reply_to_message_id=reply_to_message.message_id
                 )
 
+    @flaky(3, 1)
+    @pytest.mark.parametrize('default_bot', [{'protect_content': True}], indirect=True)
+    def test_send_media_group_default_protect_content(self, chat_id, media_group, default_bot):
+        protected = default_bot.send_media_group(chat_id, media_group)
+        assert all(msg.has_protected_content for msg in protected)
+        unprotected = default_bot.send_media_group(chat_id, media_group, protect_content=False)
+        assert not all(msg.has_protected_content for msg in unprotected)
+
     @flaky(3, 1)
     def test_edit_message_media(self, bot, chat_id, media_group):
         messages = bot.send_media_group(chat_id, media_group)
diff --git a/tests/test_invoice.py b/tests/test_invoice.py
index 169bd7382..e38321e82 100644
--- a/tests/test_invoice.py
+++ b/tests/test_invoice.py
@@ -264,6 +264,31 @@ class TestInvoice:
                     reply_to_message_id=reply_to_message.message_id,
                 )
 
+    @flaky(3, 1)
+    @pytest.mark.parametrize('default_bot', [{'protect_content': True}], indirect=True)
+    def test_send_invoice_default_protect_content(self, chat_id, default_bot, provider_token):
+        protected = default_bot.send_invoice(
+            chat_id,
+            self.title,
+            self.description,
+            self.payload,
+            provider_token,
+            self.currency,
+            self.prices,
+        )
+        assert protected.has_protected_content
+        unprotected = default_bot.send_invoice(
+            chat_id,
+            self.title,
+            self.description,
+            self.payload,
+            provider_token,
+            self.currency,
+            self.prices,
+            protect_content=False,
+        )
+        assert not unprotected.has_protected_content
+
     def test_equality(self):
         a = Invoice('invoice', 'desc', 'start', 'EUR', 7)
         b = Invoice('invoice', 'desc', 'start', 'EUR', 7)
diff --git a/tests/test_location.py b/tests/test_location.py
index be9d68c61..6514ae7e9 100644
--- a/tests/test_location.py
+++ b/tests/test_location.py
@@ -182,6 +182,14 @@ class TestLocation:
                     chat_id, location=location, reply_to_message_id=reply_to_message.message_id
                 )
 
+    @flaky(3, 1)
+    @pytest.mark.parametrize('default_bot', [{'protect_content': True}], indirect=True)
+    def test_send_location_default_protect_content(self, chat_id, default_bot, location):
+        protected = default_bot.send_location(chat_id, location=location)
+        assert protected.has_protected_content
+        unprotected = default_bot.send_location(chat_id, location=location, protect_content=False)
+        assert not unprotected.has_protected_content
+
     def test_edit_live_location_with_location(self, monkeypatch, bot, location):
         def test(url, data, **kwargs):
             lat = data['latitude'] == location.latitude
diff --git a/tests/test_photo.py b/tests/test_photo.py
index fb430cf42..ac4e5fdc7 100644
--- a/tests/test_photo.py
+++ b/tests/test_photo.py
@@ -230,6 +230,14 @@ class TestPhoto:
         assert message.caption == test_markdown_string
         assert message.caption_markdown == escape_markdown(test_markdown_string)
 
+    @flaky(3, 1)
+    @pytest.mark.parametrize('default_bot', [{'protect_content': True}], indirect=True)
+    def test_send_photo_default_protect_content(self, chat_id, default_bot, photo):
+        protected = default_bot.send_photo(chat_id, photo)
+        assert protected.has_protected_content
+        unprotected = default_bot.send_photo(chat_id, photo, protect_content=False)
+        assert not unprotected.has_protected_content
+
     def test_send_photo_local_files(self, monkeypatch, bot, chat_id):
         # For just test that the correct paths are passed as we have no local bot API set up
         test_flag = False
diff --git a/tests/test_sticker.py b/tests/test_sticker.py
index 5e1d86b47..5d4043dc4 100644
--- a/tests/test_sticker.py
+++ b/tests/test_sticker.py
@@ -277,6 +277,14 @@ class TestSticker:
                     chat_id, sticker, reply_to_message_id=reply_to_message.message_id
                 )
 
+    @flaky(3, 1)
+    @pytest.mark.parametrize('default_bot', [{'protect_content': True}], indirect=True)
+    def test_send_sticker_default_protect_content(self, chat_id, sticker, default_bot):
+        protected = default_bot.send_sticker(chat_id, sticker)
+        assert protected.has_protected_content
+        unprotected = default_bot.send_sticker(chat_id, sticker, protect_content=False)
+        assert not unprotected.has_protected_content
+
     def test_to_dict(self, sticker):
         sticker_dict = sticker.to_dict()
 
diff --git a/tests/test_venue.py b/tests/test_venue.py
index 43aa25ad7..736116dc6 100644
--- a/tests/test_venue.py
+++ b/tests/test_venue.py
@@ -121,6 +121,14 @@ class TestVenue:
                     chat_id, venue=venue, reply_to_message_id=reply_to_message.message_id
                 )
 
+    @flaky(3, 1)
+    @pytest.mark.parametrize('default_bot', [{'protect_content': True}], indirect=True)
+    def test_send_venue_default_protect_content(self, default_bot, chat_id, venue):
+        protected = default_bot.send_venue(chat_id, venue=venue)
+        assert protected.has_protected_content
+        unprotected = default_bot.send_venue(chat_id, venue=venue, protect_content=False)
+        assert not unprotected.has_protected_content
+
     def test_send_venue_without_required(self, bot, chat_id):
         with pytest.raises(ValueError, match='Either venue or latitude, longitude, address and'):
             bot.send_venue(chat_id=chat_id)
diff --git a/tests/test_video.py b/tests/test_video.py
index 4a23f5dc4..2574304ca 100644
--- a/tests/test_video.py
+++ b/tests/test_video.py
@@ -232,6 +232,14 @@ class TestVideo:
         assert message.caption == test_markdown_string
         assert message.caption_markdown == escape_markdown(test_markdown_string)
 
+    @flaky(3, 1)
+    @pytest.mark.parametrize('default_bot', [{'protect_content': True}], indirect=True)
+    def test_send_video_default_protect_content(self, chat_id, default_bot, video):
+        protected = default_bot.send_video(chat_id, video)
+        assert protected.has_protected_content
+        unprotected = default_bot.send_video(chat_id, video, protect_content=False)
+        assert not unprotected.has_protected_content
+
     def test_send_video_local_files(self, monkeypatch, bot, chat_id):
         # For just test that the correct paths are passed as we have no local bot API set up
         test_flag = False
diff --git a/tests/test_videonote.py b/tests/test_videonote.py
index 68f445a56..db09d7436 100644
--- a/tests/test_videonote.py
+++ b/tests/test_videonote.py
@@ -219,6 +219,14 @@ class TestVideoNote:
                     chat_id, video_note, reply_to_message_id=reply_to_message.message_id
                 )
 
+    @flaky(3, 1)
+    @pytest.mark.parametrize('default_bot', [{'protect_content': True}], indirect=True)
+    def test_send_video_note_default_protect_content(self, chat_id, default_bot, video_note):
+        protected = default_bot.send_video_note(chat_id, video_note)
+        assert protected.has_protected_content
+        unprotected = default_bot.send_video_note(chat_id, video_note, protect_content=False)
+        assert not unprotected.has_protected_content
+
     @flaky(3, 1)
     def test_error_send_empty_file(self, bot, chat_id):
         with pytest.raises(TelegramError):
diff --git a/tests/test_voice.py b/tests/test_voice.py
index 20f718bda..bea17f874 100644
--- a/tests/test_voice.py
+++ b/tests/test_voice.py
@@ -193,6 +193,14 @@ class TestVoice:
         assert message.caption == test_markdown_string
         assert message.caption_markdown == escape_markdown(test_markdown_string)
 
+    @flaky(3, 1)
+    @pytest.mark.parametrize('default_bot', [{'protect_content': True}], indirect=True)
+    def test_send_voice_default_protect_content(self, chat_id, default_bot, voice):
+        protected = default_bot.send_voice(chat_id, voice)
+        assert protected.has_protected_content
+        unprotected = default_bot.send_voice(chat_id, voice, protect_content=False)
+        assert not unprotected.has_protected_content
+
     def test_send_voice_local_files(self, monkeypatch, bot, chat_id):
         # For just test that the correct paths are passed as we have no local bot API set up
         test_flag = False