Tips On Numerical Range From Fed. Circ. Philip Morris Ruling

By Ryan Fitzpatrick, Cory Smith and George Chen (March 14, 2024, 2:43 PM EDT) -- The U.S. Court of Appeals for the Federal Circuit recently discussed important details regarding how numerical ranges that are claimed narrowly in a patent can still satisfy the written description requirement, when only broader numerical ranges are disclosed in the specification of the patent....

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