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Enviro Tech Chemical Services, Inc.

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Clean Chemistry, Inc.

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Clean Chemistry, Inc. v. Enviro Tech Chemical Services, Inc.

IPR2025-01471 | Patent Trial and Appeal Board

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Filed Sept. 2, 2025

Terminated Feb. 18, 2026

Judges Alan D Albright, Alan Albright, and Susan Hightower

Case Type Inter Partes Review

Status Discretionary Denial

Challenged Patent 14/681,938

Patent No. 9,363,997 assignments

Tech Center 1600

Art Unit 1628

Last Updated: 1 day, 3 hours ago

Filing Date	#	Filing and Exhibits
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Clean Chemistry, Inc. v. Enviro Tech Chemical Services, Inc.

IPR2025-01471 | Patent Trial and Appeal Board

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