U.S. Patent No. 6,243,581

2 opinions in this collection construe or address U.S. Patent No. 6,243,581. View the patent on Google Patents.

• November 22, 2019 Fed. Cir. In re IPR Licensing, Inc., No. 18-1805 (Fed. Cir. Nov. 22, 2019) Reversed in Part
• April 20, 2017 Fed. Cir. IPR Licensing, Inc. v. ZTE Corporation, No. 16-1374 (Fed. Cir. Apr. 20, 2017) Affirmed in Part