2020-1403, 2020-1404.

996 F.3d 1368 (2021)

UNILOC 2017 LLC, Appellant v. APPLE INC., Cross-Appellant Andrew Hirshfeld, Performing the Functions and Duties of the Under Secretary of Commerce for Intellectual Property and Director of the United States Patent and Trademark Office, Intervenor.

United States Court of Appeals, Federal Circuit.

Decided: May 12, 2021.

Attorney(s) appearing for the Case

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

Kevin Scott Prussia , Wilmer Cutler Pickering Hale and Dorr LLP, Boston, MA, argued for cross-appellant. Also represented by Mark Christopher Fleming ; Cristina Salcedo , Los Angeles, CA.

Mary L. Kelly , Office of the Solicitor, United States Patent and Trademark Office, Alexandria, VA, for intervenor. Also represented by Sarah E. Craven , Michael S. Forman , Daniel Kazhdan , Thomas W. Krause , Farheena Yasmeen Rasheed.

Before Prost, Chief Judge, Bryson and Reyna, Circuit Judges.

Uniloc 2017 LLC appeals from a decision of the Patent Trial and Appeal Board in an inter partes review of Uniloc's U.S. Patent No. 8,539,552 ("the '552 patent"). The Board held claims 1-17 and 23-25 of the '552 patent invalid for obviousness in view of U.S. Patent No. 6,324,279 to Kalmanek et al. ("Kalmanek"). Uniloc...


Uncompromising quality. Enduring impact.
Your support ensures a bright future for independent legal reporting.

As you are aware we have offered this as a free subscription over the past years and we have now made it a paid service.Look forward to your continued patronage.



Read it with your Leagle account.
Sign in to continue

Listed below are the cases that are cited in this Featured Case. Click the citation to see the full text of the cited case. Citations are also linked in the body of the Featured Case.

Cited Cases

  • No Cases Found

Listed below are those cases in which this Featured Case is cited. Click on the case name to see the full text of the citing case.

Citing Cases