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Written Descriptions Patent Applications Jepson Claims

Foley & Lardner LLP

Jepson Claim Format Does Not Avoid Written Description Scrutiny

Foley & Lardner LLP on

Current written description jurisprudence can make it difficult to obtain broad antibody patents, leading practitioners to explore alternative claiming strategies in an effort to bypass the limited scope afforded under the...more

Cooley LLP

End of the Road for Jepson Format Claims in the Life Sciences?

Cooley LLP on

In In re: Xencor, Inc., the US Court of Appeals for the Federal Circuit confirmed that the limiting preamble of a Jepson claim must be supported by the specification with “sufficient written description.” In its decision, the...more

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