Reissue practice and reissue oaths are plagued by the tortured language of 35 U.S.C. § 251. Having suffered through 3 related reissues myself, I’ve often referred to this language in 35 U.S.C. § 251 as being something “other than English.” An expanded panel of the Patent Office Board of Appeals and Interferences (Board) in Ex parte Tanaka had to decide…
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