Tse v. Apple Inc., No. 15-1639 (Fed. Cir. Nov. 5, 2015)

From the Opinion

The passage below is extracted verbatim from the opening of the document. It has not been editorially summarized — consult the full opinion for the court's complete reasoning.

This appeal arises from an order of the United States District Court for the Northern District of California dismissing a patent infringement action filed by the plaintiff, Ho Keung Tse, against Apple Inc., MusicMatch, Inc., and Sony Network Entertainment International LLC (collectively, “Defendants”). Tse asserted claims 1 -5, 13, 16, 17, 20, and 23- 26 of U.S. Patent No. 6,665,797 (“ ’797 patent”) against the Defendants. The district court di s- missed the action based on the doctrine of collateral estoppel.