CARBON SIX BARRELS v. PROOF RESEARCH, INCORPORATED

No. 22-30772.

83 F.4th 320 (2023)

CARBON SIX BARRELS, L.L.C., Plaintiff-Appellant, v. PROOF RESEARCH, INCORPORATED, Defendant-Appellee.

United States Court of Appeals, Fifth Circuit.

FILED September 29, 2023.


Attorney(s) appearing for the Case

Kyle M. Keegan (argued), Amber Nicole Robichaux , Keegan Juban Lowe & Robichaux, Baton Rouge, LA, Plaintiff-Appellant.

Judy Y. Barrasso , Robert J. Dressel , Kyle Wallace Siegel (argued), Barrasso, Usdin, Kupperman, Freeman & Sarver, L.L.C., New Orleans, LA, for Defendant-Appellee.

Before Clement, Elrod, and Willett, Circuit Judges.


Proof Research, Inc. and Carbon Six Barrels, LLC both manufacture carbon-fiber gun barrels. Proof entered the market first and obtained a trademark for the unique appearance of its barrels. When Proof found out that Carbon Six intended to begin manufacturing and selling similar-looking carbon-fiber gun barrels...

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