Forum US, Inc. v. Flow Valve, LLC
Claims of a reissue patent are subject to a heightened written description requirement.
Results for reissue patents
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Ex parte Tanaka
The B.P.A.I. finds that the presentation of narrower dependent claims in a reissue application that contains the original claims as a hedge against possible invalidity is not an error correctible by 35 U.S.C. § 251.