NG LLC v. Createdhair Designs, LLC, No. 24-1599 (Fed. Cir. Sept. 16, 2025)

From the Opinion

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Plaintiff-Appellant NG LLC appeals the decision of the United States District Court for the Central District of Cal- ifornia granting summary judgment of non-infringeme nt as to the asserted claims of U.S. Patent Nos. 10,94 5,477 and 10,881,159. NG challenges the district court’s (1) claim construction for the term “the wig grip apparatus terminates at the forward periphery,” and (2) appli cation of prosecution history estoppel to bar NG’s doctrin e of equivalents argument. For the reasons discussed be low, we affirm.