US Patent 12111891 DRM sharing and playback service specification selection

Systems and methods for optionally restricting the rendering of particular content items. An example method comprising: receiving a plurality of content rendering options supported by a client device; determining a content item to be rendered, the content item being associated with a restriction attribute; selecting a content rendering option supported by the client device in view of the restriction attribute; generating a token comprising data associated with the selected content rendering option and the content item; receiving a client request from the client device, wherein the client request is associated with the content item and indicates a chosen content rendering option; comparing the data of the token with the chosen content rendering option indicated by the client request to determine a match; and granting the client device access to perform the chosen content rendering option on the content item based on the outcome of the determination of the match.