Leader Tech v. Facebook (D.D.E. 2008)
On November 19, Leader Tech sued Facebook for patent infringement of its U.S. Patent No. 7,139,761. The '761 patent claims priority to a provisional application filed in December 2002 – well before Facebook's 2004 launch. The patent claims are difficult for me to understand:
1. A computer-implemented network-based system that facilitates management of data, comprising:
Facebook has also been sued for patent infringement by PA Advisors (Patent No. 6,199,067; dismissed with consent of parties) and Cross Atlantic Capital Partners (Patent No. 6,519,629; Litigation stayed pending reexamination).