Legal Opinion

Wash World Inc. v. Belanger Inc.

Court of Appeals for the Federal Circuit

Decided March 24, 2025No. 23-1841PublishedCited by 4 opinions

1Opinion of the Court

Case: 23-1841 Document: 50 Page: 1 Filed: 03/24/2025 United States Court of Appeals for the Federal Circuit ______________________ WASH WORLD INC., Plaintiff-Appellant v. BELANGER INC., FKA PISTON OPW INC., Defendant-Appellee ______________________ 2023-1841 ______________________ Appeal from the United States District Court for the Eastern District of Wisconsin in No. 1:19-cv-01562-WCG, Chief Judge William C. Griesbach. ______________________ Decided: March 24, 2025 ______________________ MICHAEL DAVID GANNON, Baker & Hostetler LLP, Chi- cago, IL, argued for plaintiff-appellant. Also…

2Cases cited23 opinions

  1. New Hampshire v. MaineSupreme Court of the United States · 2001
  2. Edward H. Phillips v. Awh Corporation, Hopeman Brothers, Inc., and Lofton Corporation, Defendants-CrossCourt of Appeals for the Federal Circuit · 2006
  3. 02 Micro International Ltd. v. Beyond Innovation Technology Co.Court of Appeals for the Federal Circuit · 2008
  4. Rite-Hite Corp. v. Kelley Co.Court of Appeals for the Federal Circuit · 1995
  5. Texas Digital Systems, Inc. v. Telegenix, Inc.Court of Appeals for the Federal Circuit · 2002

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3Cited by4 opinions

  1. Egenera, Inc. v. Cisco Systems, Inc.Court of Appeals for the Federal Circuit · 2025
  2. Ethanol Boosting Systems, LLC v. Ford Motor CompanyCourt of Appeals for the Federal Circuit · 2025
  3. Magnolia Medical Technologies, Inc. v. Kurin, Inc.Court of Appeals for the Federal Circuit · 2026
  4. Maquet Cardiovascular LLC v. Abiomed, Inc., Abiomed R&D, Inc., and Abiomed Europe GmbHDistrict Court, D. Massachusetts · 2026

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