Enviro Tech v. Safe Foods (Fed. Cir., May 4, 2026) 2024-2160
This episode concerns an opinion from the United States Court of Appeals for the Federal Circuit detailing a ruling that invalidated several patent claims held by Enviro Tech Chemical Services. The dispute centered on a patent for treating poultry carcasses with a peracetic acid solution to enhance meat weight, specifically focusing on the precision of pH levels. The court concluded that the word "about" was used too vaguely within the patent to provide a clear boundary for the required chemical environment. Because the patent specification and history contained inconsistent examples of pH…
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