Divided Panel Tells PTO To Terminate Apple Re-Examination Requests

Mealey's (August 12, 2019, 8:38 AM EDT) -- WASHINGTON, D.C. — The Federal Circuit U.S. Court of Appeals on Aug. 1 partly vacated a decision by the U.S. Patent and Trademark Office (PTO) that Apple Inc. was not barred from pursuing its re-examination requests of two Virnet X Inc. patents, finding that Apple’s validity challenge is barred by estoppel (VirnetX Inc. v. Apple Inc., Nos. 2017-1591, -1592, -1593, Fed. Cir., 2019 U.S. App. LEXIS 22912)....