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Appeals › Jury Trial › Doctrine of Equivalents

McDermott Will & Schulte

Identical or not? Jury can’t decide issues of claim construction

McDermott Will & Schulte on

The US Court of Appeals for the Federal Circuit reversed a district court’s denial of a motion for judgment as a matter of law (JMOL) of noninfringement, finding that the jury’s infringement findings were unsupported by...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Laboratory Corporation of America Holdings v. Qiagen Sciences, LLC

Schwabe, Williamson & Wyatt PC on

Laboratory Corporation of America Holdings v. Qiagen Sciences, LLC, Appeal No. 2023-2350 (Fed. Cir. Aug. 13, 2025) - In our Case of the Week, the Federal Circuit reversed a jury finding of infringement from the District...more

Knobbe Martens

Reversal on Reverse Doctrine of Equivalents

Knobbe Martens on

Conflicting expert testimony constituted substantial evidence supporting the jury’s rejection of a reverse doctrine of equivalents argument....more

Patterson Belknap Webb & Tyler LLP

Judge Rakoff Holds a 3-D “Magic Trick” Implemented With Software Is Not Equivalent to One Implemented With Hardware

Patterson Belknap Webb & Tyler LLP on

On April 24, 2016, District Judge Jed S. Rakoff (S.D.N.Y.) ruled that defendants Nintendo Co., Ltd. and Nintendo of America, Inc.’s (collectively, “Nintendo”)’s 3DS pocket gaming console does not infringe Tomita Technologies...more

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