Be Careful Identifying Your Licensed Patents and Products

On Friday, the Federal Circuit issued an opinion in Wi-LAN USA, Inc. v. Ericsson, Inc., which highlights the importance of using care when granting rights to or under patents. The interesting facts in this case resulted in two contradictory opinions from two district courts regarding the scope of an agreement pertaining to rights under certain patents. These opinions illustrate the potential dangers of unintended consequences that may arise from imprecise drafting in patent agreements.