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Tag: written description requirement

Invalidity

Strategies for Using the Written Description Requirement to Invalidate Broad Patent Claims

In an earlier blog post (https://hanseniplaw.com/what-limitations-are-there-on-the-breadth-of-otherwise-novel-and-non-obvious-patent-claims/) we addressed the question of whether and to what extent U.S. law limits the breadth of patent claims that are otherwise novel and non-obvious. As we explained, both the Written Description and Enablement requirements of U.S. patent law may limit claim scope even if the prior art does not. […]

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