Littelfuse, Inc. vs. Mersen USA EP Corp.

Case Number: CLB0499

Date: 04.04.2022

Citation: United States Court of Appeals, Federal Circuit No. 2021-2013

Under the doctrine of claim differentiation, an independent claim is broader than a claim that depends from it; thus, if a dependent claim reads on a particular embodiment, the corresponding independent claim must cover that embodiment as well.

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