Courtney Seams
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Dictionaries Don’t Know Best: The Intrinsic Record Prevails (Again)
By Courtney Seams on Jan 19, 2023
Posted In Patents
The US Court of Appeals for the Federal Circuit addressed the tension between the intrinsic and extrinsic record in claim construction, holding that the intrinsic record should be relied on first. The Court therefore reversed a district court finding of indefiniteness based on dictionary definitions and expert testimony. Grace Instrument Industries, LLC v. Chandler Instruments...
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