Do not omit an “essential element” of the original invention in the reissue claims

Aug 29, 2023 In Re: FloatʻN’Grill LLC Decided: July 12, 2023 Before Linn (author), Prost, and Cunningham Summary:             When FloatʻN’Grill LLC filed a reissue application, they deleted an essential part of the original disclosure from reissue claims.  The PTAB rejected those claims for failure to satisfy the original patent requirement of § 251.  The CAFC affirmed the […] READ MORE