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.

FUENTE MARKETING LTD. v. VAPOROUS TECHNOLOGIES, LLC, Appeal No. 2024-1460 (Fed. Cir. April 8, 2026). Before Prost, Taranto, and Hughes. Appealed from the Trademark Trial and Appeal Board. (Likelihood of Confusion)

FORTRESS IRON, LP v. DIGGER SPECIALTIES, INC., Appeal No. 2024-2313 (Fed. Cir. Apr. 2, 2026). Before Lourie, Hughes, and Kleeh (by designation). Appealed from N.D. Ind. (Judge Brisco). (Correction of Inventorship)

APPLE INC. v. ITC., Appeal No. 2024-1285 (Fed. Cir. Mar. 19, 2026). Before Stark, Lourie, and Reyna. Appealed from the ITC. (Domestic Industry Under ITC Practice)

MAGNOLIA MEDICAL TECHNOLOGIES, INC. v. KURIN, INC., Appeal No. 2024-2001 (Fed. Cir. Mar. 6, 2026). Before Lourie, Hughes, and Freeman. Appealed from D. Del. (Judge Connolly). (Claim Construction)

GENUINE ENABLING TECHNOLOGY LLC v. SONY GROUP CORPORATION, Appeal No. 2024-1686 (Fed. Cir. February 19, 2026). Before Dyk, Taranto, and Chen. Appealed from D. Del. (Judge Goldberg). (Means-Plus-Function)

REGENXBIO INC. v. SAREPTA THERAPEUTICS, INC., Appeal No. 2024-1408 (Fed. Cir. February 20, 2026). Before Dyk, Hughes, and Stoll. Appealed from D. Del. (Judge Andrews). (Subject Matter Eligibility)

SOUND VIEW INNOVATIONS, LLC v. HULU, LLC, Appeal No. 2024-1092 (Fed. Cir. January 29, 2026). Before Prost, Wallach, and Chen. Appealed from C.D. Cal. (Judge Kronstadt). (Claim Construction)

BARRY v. DEPUY SYNTHES COMPANIES, Appeals Nos. 2023-2226 and 2023-2234 (Fed. Cir. January 20, 2026). Before Prost, Taranto, and Stark. Appealed from E.D. Pa. (Judge Diamond). (Expert Testimony)

DUKE UNIVERSITY v. SANDOZ INC., Appeal No. 2024-1078 (Fed. Cir. November 18, 2025). Before Dyk, Stoll, and Stark. Appealed from D. Colo. (Judge Moore). (Written Description)

CODA DEVELOPMENT v. GOODYEAR TIRE, Appeal No. 2023-1880 (Fed. Cir. December 8, 2025). Before Lourie, Dyk, and Cunningham. Appealed from N.D. Ohio (Judge Lioi). (Definiteness of Trade Secret)

ESCAPEX v. GOOGLE, Appeal No. 2024-1201 (Fed. Cir. November 25, 2025). Before Taranto, Stoll, and Stark. Appealed from N.D. Cal (Judge Chhabria). (Attorneys’ Fees)

CENTRIPETAL NETWORKS, LLC v. PALO ALTO NETWORKS, INC., Appeal No. 2023-2027 (Fed. Cir. October 22, 2025). Before Moore, Hughes, and Cunningham. Appealed from PTAB. (Effect of Recusal Timing at PTAB)

IQE PLC v. NEWPORT FAB, LLC, Appeal No. 2024-1124 (Fed. Cir. October 15, 2025). Before Hughes, Stark, and Wang. Appealed from the C.D. Cal. (Judge Carney). (Appellate Jurisdiction)

BAYER PHARMA AKTIENGESELLSCHAFT v. MYLAN PHARMACEUTICALS INC., Appeal No. 2023-2434 (Fed. Cir. September 23, 2025). Before Moore, Cunningham, and Scarsi. Appealed from the PTAB. (Claim Construction)

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)