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Federal Circuit issues clarifying opinion on Definiteness vs Indefiniteness test

The Federal Circuit recently clarified its interpretation of a major Supreme Court case involving the standard of definiteness and when a patent may be determined indefinite. Previously the Federal Circuit has held that a claim is indefinite “only when it is ‘not amenable to construction’ or ‘insolubly ambiguous.’”  In Biosig Instruments, Inc. v. Nautilus, Inc. […]