United States Court of Appeals for the Federal Circuit ______________________

IOENGINE, LLC, Appellant

v.

INGENICO INC., Appellee

KATHERINE K. VIDAL, UNDER SECRETARY OF COMMERCE FOR INTELLECTUAL PROPERTY AND DIRECTOR OF THE UNITED STATES PATENT AND TRADEMARK OFFICE, Intervenor ______________________

2021-1227, 2021-1331, 2021-1332 ______________________

Appeals from the United States Patent and Trademark Office, Patent Trial and Appeal Board in Nos. IPR2019- 00416, IPR2019-00879, IPR2019-00929. ______________________

Decided: May 3, 2024 ______________________

NOAH LEIBOWITZ, Dechert LLP, New York, NY, argued for appellant. Also represented by GREGORY CHUEBON; ROBERT W. ASHBROOK, JR., DEREK J. BRADER, MICHAEL A. FISHER, Philadelphia, PA; MICHAEL JOSHI, Palo Alto, CA.

LAWRENCE M. GREEN, Sunstein LLP, Boston, MA, Case: 21-1227 Document: 109 Page: 2 Filed: 0