Legal Opinion

Deque Systems Inc. v. Browserstack, Inc.

Court of Appeals for the Fourth Circuit

Decided June 5, 2026No. 25-1534Published

1Opinion of the Court

USCA4 Appeal: 25-1534 Doc: 56 Filed: 06/05/2026 Pg: 1 of 26 PUBLISHED UNITED STATES COURT OF APPEALS FOR THE FOURTH CIRCUIT No. 25-1534 DEQUE SYSTEMS INC., Plaintiff – Appellant, v. BROWSERSTACK, INC.; BROWSERSTACK SOFTWARE PVT, LTD, Defendants – Appellees, and BROWSERSTACK LIMITED, Defendant. Appeal from the United States District Court for the Eastern District of Virginia, at Alexandria. Anthony John Trenga, Senior District Judge. (1:24-cv-00217-AJT-WEF) Argued: March 18, 2026 Decided: June 5, 2026 Before AGEE, Circuit Judge, and TRAXLER and FLOYD, Senior Circuit Judges. Affirmed by…

2Cases cited14 opinions

  1. Anderson v. Liberty Lobby, Inc.Supreme Court of the United States · 1986
  2. Celotex Corp. v. Catrett, Administratrix of the Estate of CatrettSupreme Court of the United States · 1986
  3. Dietz v. BouldinSupreme Court of the United States · 2016
  4. John W. Wilson v. Volkswagen of America, Inc., a New York Corporation and Volkswagenwerk, A. G., a Foreign Corporation, Wolfsburg, Western GermanyCourt of Appeals for the Fourth Circuit · 1977
  5. Southern States Rack and Fixture, Incorporated v. Sherwin-Williams Company, and Keller Rigging & Construction Sc, IncorporatedCourt of Appeals for the Fourth Circuit · 2003

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