As mentioned in last month’s IP Practice Tips, reissue applications are subject to additional legal doctrines founded in requirements of 35 U.S.C. § 251. One doctrine that has been operative since the first reissue statute...more
In Forum v Flow Valve, decided June 17, 2019, the Federal Circuit held Flow Valve’s reissue claims were invalid for failing to comply with 35 U.S.C. 251(a): “for broadening reissue claims, the specification of the original...more