Industry Sector
Industrial chemicals — US PTAB Patent Cases
2 decisions indexed
Page 1 of 1 · 2 total
patent
Clean Chemistry, Inc. v.Enviro Tech Chemical Services, Inc. et al.
· IPR2025-01472
Clean Chemistry has filed an IPR petition seeking to invalidate all 22 claims of Enviro Tech’s peracetic acid generation patent, alleging obviousness over Okano and, in combination, Withenshaw and Oringer.
patent
Clean Chemistry, Inc. et al. v.Enviro Tech Chemical Services, Inc. et al.
· IPR2025-01459
Clean Chemistry petitions the PTAB to invalidate three claims of Enviro Tech’s peracetic‑acid patent, alleging anticipation and obviousness over several prior‑art references. The petition seeks cancellation of claims 1‑3 under §§ 102 and 103.
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