The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 06, 2012
Filed:
Nov. 05, 2003
Wei Yen, Los Altos Hills, CA (US);
David Blythe, San Carlos, CA (US);
John Princen, Cupertino, CA (US);
Pramila Srinivasan, Palo Alto, CA (US);
Wei Yen, Los Altos Hills, CA (US);
David Blythe, San Carlos, CA (US);
John Princen, Cupertino, CA (US);
Pramila Srinivasan, Palo Alto, CA (US);
iGware, Inc., Mountain View, CA (US);
Abstract
Dynamic assignment of rights to content, such as in a closed distribution system. Noting state information generated by an item of current content, and modifying state or rights of new content in response. Pre-loading or dynamically sending new content to the owner of the current content, with rights being enabled only at a later time, in the playback device, with predetermined conditions. In response to current state information, dynamically sending a license for new content from a server. Conditional or dynamic licenses to new content, including a set of rights associated with a class of possible sets of state information. Assignment of limited rights to a content, with support in a secure player to enforce them; for purposes of rental, bonus content, trials and other business models.