Legal Opinion

T-Mobile US, Inc. v. Kaifi LLC

Court of Appeals for the Federal Circuit

Decided August 28, 2026No. 25-1006Published

1Opinion of the Court

Case: 25-1006 Document: 82 Page: 1 Filed: 08/28/2026 United States Court of Appeals for the Federal Circuit ______________________ T-MOBILE US, INC., T-MOBILE USA, INC., Plaintiffs-Appellants v. KAIFI LLC, Defendant-Appellee ______________________ 2025-1006 ______________________ Appeal from the United States District Court for the Eastern District of Texas in No. 2:22-cv-00192-JRG, Judge J. Rodney Gilstrap. ______________________ Decided: August 28, 2026 ______________________ GREGG COSTA, Gibson, Dunn & Crutcher LLP, Hou- ston, TX, argued for plaintiffs-appellants. Also repre- sented by…

2Cases cited19 opinions

  1. Franchise Tax Bd. of Cal. v. Construction Laborers Vacation Trust for Southern Cal.Supreme Court of the United States · 1983
  2. Gunn v. MintonSupreme Court of the United States · 2013
  3. Christianson v. Colt Industries Operating Corp.Supreme Court of the United States · 1988
  4. Grable & Sons Metal Products, Inc. v. Darue Engineering & ManufacturingSupreme Court of the United States · 2005
  5. Public Serv. Comm'n of Utah v. Wycoff Co.Supreme Court of the United States · 1952

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