Granted Patent
Utility
US 6,754,642 · App. 09/867,745
Method and apparatus for dynamically assigning usage rights to digital works
Inventors:
Bijan Tadayon, Aram Nahidipour, Xin Wang, Michael Raley, Guillermo Lao, Thanh Ta, Charles Gilliam
Patented Case
View Patent ↗
Granted: Jun 22, 2004
Filed: May 31, 2001
Inventors
Bijan Tadayon
Aram Nahidipour
Xin Wang
Michael Raley
Guillermo Lao
Thanh Ta
Charles Gilliam
Assignee (at issue)
CONTENTGUARD HOLDINGS, INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.