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Ignore Broader Claim Constructions at Your Own Risk

Ignore Broader Claim Constructions at Your Own Risk

In Owens Corning v. Fast Felt Corp., No. 2016-2613, 2017 U.S. App. LEXIS 19827 (Fed. Cir. October 11, 2017), the Federal Circuit reversed the Patent Trial and Appeal Board’s (PTAB) final written decision in IPR2015-00650.  While the PTAB found that the petitioner had failed to show obviousness of any challenged claim, the Federal Circuit disagreed, finding that under a proper broadest reasonable interpretation of the claims, the “record conclusively establishe[d] obviousness.” Owens Corning, 2017 U.S. App. LEXIS 19827 at *2.  The Federal Circuit therefore reversed the PTAB’s final written decision without remand, finding the challenged claims unpatentable as obvious. Background Owens Corning petitioned for inter partes review of Fast Felt’s U.S. Patent No. 8,137,757, which claims and describes methods of “applying nail tabs to roofing and building cover materials” which cover wood roof decks and stud walls. ’757 Patent, Abstract. For example, during the construction of a roof, an underlayment… Continue Reading

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