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Black Box Structure Insufficient for MPF Element, PTAB Litigation Blog
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In Samsung Elecs Co., Ltd., et al. v. Cellect, LLC, IPR2020-00474, Paper 14 (P.T.A.B. Aug. 17, 2020), the PTAB denied institution of U.S. Patent No. 6,982,740 (“the ʼ740 patent”), finding that the specification did not sufficiently describe a corresponding structure for means-plus-function terms in the independent claims.