Month: July 2025
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Eye Therapies, LLC v. Slayback Pharma, LLC: “Consisting Essentially Of” Precludes Other Active Ingredients
In a significant reversal for the U.S. Patent and Trademark Office’s Patent Trial and Appeal Board (PTAB), in Eye Therapies, LLC v. Slayback Pharma, LLC the Federal Circuit on June 30, 2025, held that the Board erred in its construction of the transitional claim phrase “consisting essentially of” as used in Eye Therapies, LLC’s U.S.…