Tag Archives: prima facie

The USPTO Speaks on Obviousness – Do Patent Practitioners Have an Answer?

The United States Patent and Trademark Office (USPTO) recently published updated guidance emphasizing a very flexible approach to determining obviousness under 35 U.S.C. § 103, consistent with the U.S. Supreme Court’s opinion in KSR v. Teleflex. The guidelines are written for USPTO personnel but combined with the Manual of Patent Examining Procedure (MPEP), they provide … Continue Reading

Secondary Considerations at the PTAB: Nexus Required, but Amendments Allowed

The Supreme Court recognized long ago that a patentee can overcome a prima facie showing of obviousness by presenting objective evidence of non-obviousness, referred to as secondary considerations.[1] To do so, however, the patentee must establish a nexus between the challenged claims and the objective evidence. In a newly designated precedential decision, Lectrosonics, Inc. v. … Continue Reading
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