US Court of Appeals for the Federal Circuit chose between intrinsic and extrinsic record in claim construction, holding intrinsic record should be relied on first. Court reversed district court finding of indefiniteness based on dictionary definitions and expert testimony.
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.
Grace Instrument Industries, LLC v. Chandler Instruments Company, LLC, Appeal No. 2021-2370 (Fed. Cir. Jan. 12, 2023) - In an appeal from the U.S. District Court for the.