2019-1688 2019-1689.

989 F.3d 1018 (2021)

UNILOC 2017 LLC, Appellant v. FACEBOOK INC., WhatsApp, Inc., Appellees Uniloc 2017 LLC, Appellant v. Facebook Inc., WhatsApp, Inc., Appellees.

United States Court of Appeals, Federal Circuit.

Decided: March 9, 2021.

Attorney(s) appearing for the Case

Jeffrey A. Stephens , Etheridge Law Group, Southlake, TX, argued for appellant. Also represented by James Etheridge , Ryan S. Loveless , Brett Mangrum.

Phillip Edward Morton , Cooley LLP, Washington, DC, argued for appellees. Also represented by Heidi Lyn Keefe , Andrew Carter Mace , Lowell D. Mead , Mark R. Weinstein , Palo Alto, CA.

Before Lourie, Wallach, and Chen, Circuit Judges.

Uniloc 2017 LLC (Uniloc) appeals from two consolidated inter partes review (IPR) decisions of the Patent Trial and Appeal Board (Board) finding unpatentable claims 1-8 and claims 9-12, 14-17, 25 and 26 of U.S. Patent No. 8,995,433 ('433 patent) as obvious.

Foremost at issue in this case is whether 35 U.S.C. &...

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