Fed Circuit Watch: Plain Claim Language Not Narrowed Unless Patentee Explicitly Disclaims Scope

BRI fed circuit watch lexicography patent

An interesting study in organic chemistry appeared at the Federal Circuit.  On April 16, 2018, a Fed Circuit panel in Sumitomo Dainippon Pharma Co., Ltd. v. Emcure Pharm. Ltd.,[1] held that plain claim language will be construed narrowly absent the patentee’s clear disclaimer limiting its scope. First a primer on stereochemistry, which is the study …

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Fed Circuit Watch: Well-Prepared Lexicography Dooms Claim Term as Obvious

103 BRI fed circuit watch IPR lexicography patent

This, unfortunately, was a bad week for Steuben Foods, Inc., since this is the second case it lost at the Federal Circuit against the same adversary, Nestlé Foods.  This time, in Nestle USA, Inc. v. Steuben Foods, Inc.,[1] the Court of Appeals for the Federal Circuit, on March 13, 2018, ruled that Steuben Foods could …

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