United States Court of Appeals for the Federal Circuit ______________________

CYWEE GROUP LTD., Appellant

v.

GOOGLE LLC, SAMSUNG ELECTRONICS CO., LTD., LG ELECTRONICS INC., HUAWEI DEVICE USA, INC., HUAWEI DEVICE CO., LTD., HUAWEI TECHNOLOGIES CO., LTD., HUAWEI DEVICE (DONGGUAN) CO., LTD., HUAWEI INVESTMENT & HOLDING CO., LTD., HUAWEI TECH. INVESTMENT CO., LTD., HUAWEI DEVICE (HONG KONG) CO., LTD., Appellees

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

2020-1565, 2020-1567 ______________________

Appeals from the United States Patent and Trademark Office, Patent Trial and Appeal Board in Nos. IPR2018- 01257, IPR2018-01258. ______________________

Decided: February 8, 2023 ______________________ Case: 20-1565 Document: 153 Page: 2 Filed: 02/08/2023

2 CYWEE GROUP LTD. v. GOOGLE LLC

JAY P. KESAN, DiMuroGinsberg PC - DGKeyIP Group, Tysons Corner, VA, for appellant. Also represented by CECIL E. KEY, HENNING SCHMIDT; MICHAEL W. SHORE, The Shore Firm, Dallas, TX.

MATTHEW A. SMITH, Smith Baluch LLP, Washington, DC, for appellee Google LLC. Also represented by ANDREW BALUCH, ELIZABETH LAUGHTON.

NAVEEN MODI, Paul Hastings LLP, Washington, DC, for appellee Samsung Electronics Co., Ltd. Also repre- sented by CHETAN BANSAL.

ANDREW V. DEVKAR, Morgan Lewis & Bockius LLP, Los Angeles, CA, for appellee LG Electronics Inc. Also repre- sented by NATALIE A. BENNETT, Washington, DC.

STEVEN MARK GEISZLER, Futurewei Technologies, Inc., Addison, TX, for appellees Huawei Device USA, Inc., Huawei Device Co., Ltd., Huawei Technologies Co., Ltd., Huawei Device (Dongguan) Co., Ltd., Huawei Investment & Holding Co., Ltd., Huawei Tech. Investment Co., Ltd., Huawei Device (Hong Kong) Co., Ltd.

MICHAEL S. FORMAN, Office of the Solicitor, United States Patent and Trademark Office, Alexandria, VA, for intervenor. Also represented by THOMAS W. KRAUSE, FARHEENA YASMEEN RASHEED, MEREDITH HOPE SCHOENFELD. ______________________

Before PROST, TARANTO, and CHEN, Circuit Judges. PROST, Circuit Judge. CyWee Group Ltd. (“CyWee”) requested that the Direc- tor of the U.S. Patent and Trademark Office (“PTO”) rehear two inter partes review (“IPR”) proceedings, each of which Case: 20-1565 Document: 153 Page: 3 Filed: 02/08/2023

CYWEE GROUP LTD. v. GOOGLE LLC 3

had resulted in a final written decision of the Patent Trial and Appeal Board (“Board”) determining all challenged claims unpatentable. CyWee’s request was denied as to each IPR. CyWee appeals those denials. We affirm. BACKGROUND In June 2018, Google LLC (“Google”) filed two petitions for IPR challenging certain claims of CyWee’s patents. Cy- Wee filed a preliminary response to each petition on Sep- tember 14, 2018. On December 11, 2018—within three months of CyWee’s preliminary responses—the Board in- stituted (for each petition) IPR on all challenged claims. After institution, each IPR was joined by other parties. Be- cause of those joinders, on December 4, 2019, the Board ex- tended its deadline for the final written decisions—a deadline that’s typically one year from institution—by one month, making the new deadline January 10, 2020. E.g., J.A. 7869–73. On January 9, 2020, the Board issued its final written decision in each IPR, determining all respec- tive challenged claims unpatentable for obviousness. CyWee appealed both Board decisions to this court in March 2020, and we cons