Case Summaries

This section primarily contains selected summaries of recent intellectual property law Federal Circuit decisions as presented by our attorneys at our informal weekly Professional Luncheons. In addition, pertinent Supreme Court and USPTO Patent Trial and Appeal Board (PTAB) decisions have been included. These presentations of recent court decisions and other developments equip us with the most up-to-date information. Like many of our programs, these presentations are tailored to address the interests of our clients, who are always welcome to attend.

Click on the name of the case summary you wish to view. You may view the full text of any Federal Circuit case by clicking on the appeal number.

Each case listing indicates the primary topic (or topics) of the case. For the most common topics, clicking on the topic in the list to the right (or the topic in an individual case listing) will access a page collecting the most recent cases addressing that topic, including, for the most important decisions, a link to our Special Report addressing the decision.

HYATT v. STEWART, Appeals Nos. 2018-2390, 2018-2391, 2018-2392, 2019-1049, 2024-1992, 2024-1993, 2024-1994, 2024-1995, 2019-1038, 2019-1039, 2019-1070 (Fed. Cir. August 29, 2025). Before Reyna, Wallach, and Hughes. Appealed from D. D.C. (Judge Lamberth). (Prosecution Laches)

MAGĒMĀ TECHNOLOGY LLC v. PHILLIPS 66, Appeal No. 2024-1342 (Fed. Cir. September 8, 2025). Before Moore, Stoll, and Bumb. Appealed from S.D. Tex. (Judge Lake). (Prejudicial Arguments)

FUTURE LINK SYSTEMS, LLC v. REALTEK SEMICONDUCTOR CORPORATION, Appeal No. 2023-1056, 2023-1057 (Fed. Cir. September 9, 2025). Before Reyna, Bryson, and Stoll. Appealed from W.D. Tex (Judge Albright). (Prevailing Party under §285 and Rule 54(d))

GLOBAL HEALTH SOLUTIONS LLC v. MARC SELNER, Appeal No. 2023-2009 (Fed. Cir. August 26, 2025). Before Stoll, Stark, and Goldberg. Appealed from PTAB. (AIA Derivation Proceedings)

IN RE BRUNETTI, Appeal No. 2023-1539 (Fed. Cir. August 26, 2025). Before Lourie, Dyk, and Reyna. Appealed from the TTAB. (Failure to Function Test for Commonplace Words)

COLIBRI HEART VALVE, LLC v. MEDTRONIC COREVALVE, LLC, Appeal No. 2023-2153 (Fed. Cir. July 18, 2025). Before Taranto, Hughes, and Stoll. Appealed from C.D. Cal. (Judge Carter). (Prosecution History Estoppel)

FMC CORP. v. SHARDA USA, LLC., Appeal No. 2024-2335 (Fed. Cir. August 1, 2025). Before Chen, Moore, and Barnett. Appealed from E.D. Penn. (Judge Perez). (Claim Construction)

IGT v. ZYNGA INC., Appeal No. 2023-2262 (Fed. Cir. July 22, 2025). Before Prost, Reyna, and Taranto. Appealed from the PTAB. (IPR Reviewability)

JIAXING SUPER LIGHTING ELECTRIC APPLIANCE, CO., LTD. v. CH LIGHTING TECHNOLOGY CO., LTD., Appeal No. 2023-1715 (Fed. Cir. July 28, 2025). Before Dyk, Chen, and Hughes. Appealed from W.D. Tex. (Judge Albright). (On-Sale Bar)

TOP BRAND LLC v. COZY COMFORT COMPANY LLC, Appeal No. 2024-2191 (Fed. Cir. July 17, 2025). Before Dyk, Reyna, and Stark. Appealed from D. Ariz. (Judge Logan). (Prosecution History Disclaimer in Design Patents)

ANCORA TECHNOLOGIES, INC. v. ROKU, INC., Appeals Nos. 2023-1674, 2023-1701 (Fed. Cir. June 16, 2025). Before Lourie, Reyna, and Hughes, per curiam. Appealed from PTAB. (Secondary Considerations)

DOLBY LABORATORIES LICENSING CORP. v. UNIFIED PATENTS, LLC, Appeal No. 2023-2110 (Fed. Cir. June 5, 2025). Before Moore, Clevenger, and Chen. Appealed from PTAB. (Article III Standing)

EYE THERAPIES, LLC v. SLAYBACK PHARMA, LLC, Appeal No. 2023-2173 (Fed. Cir. June 30, 2025). Before Taranto, Stoll, and Scarsi. Appealed from PTAB. (Transition Phrases & Claim Construction)

CURTIN v. UNITED TRADEMARK HOLDINGS, INC., Appeal No. 2023-2140 (Fed. Cir. May 22, 2025). Before Taranto, Hughes, and Barnett. Appealed from the Trademark Trial and Appeal Board. (Trademark Opposition Standing)

FINTIV, INC. v. PAYPAL HOLDINGS, INC., Appeal No. 2023-2312 (Fed. Cir. April 30, 2025). Before Prost, Taranto, and Stark. Appealed from W.D. Texas (Judge Albright). (Means-Plus-Function)

IN RE KOSTIC et al., Appeal No. 2023-1437 (Fed. Cir. May 6, 2025). Before Cunningham, Stoll, and Clevenger. Appealed from the PTAB. (Broadening Reissues)

IN RE PT MEDISAFE TECHNOLOGIES, Appeal No. 2023-1573 (Fed. Cir. April 29, 2025). Before Prost, Clevenger, and Stark. Appealed from the TTAB. (Genericness)

AZURITY PHARMACEUTICALS, INC., v. ALKEM LABORATORIES LTD., Appeal No. 2023-1977 (Fed. Cir. April 8, 2025). Before Moore, Chen, and Murphy. Appealed from D. Del. (Judge Goldberg). (Prosecution History Disclaimer)

WASH WORLD INC. v. BELANGER INC., Appeal No. 2023-1841 (Fed. Cir. March 24, 2025). Before Lourie, Prost and Stark. Appealed from E.D. Wis. (Judge Griesbach). (Forfeiture of Argument)

IN RE: XENCOR, INC., Appeal No. 2024-1870 (Fed. Cir. March 13, 2025). Before HUGHES, STARK, and SCHROEDER. Appealed from Appeals Review Panel of Patent Trial and Appeal Board. (Jepson Claims, Written Description)