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Posts Tagged: "Patent Act of 1952"

Is the Presumption of Validity Dead in Substitute Claims Issued as a Result of Motions to Amend After PTAB Proceedings?

Since the Federal Circuit’s decision in Aqua Products, Inc. v. Matal confirmed that the burden of persuasion on a the patentability of amended claims in a motion to amend in an inter partes review proceeding (and presumably other post issuance PTAB proceedings) is placed on the petitioner, the theoretical rationale for Section 282(a)’s presumption of validity is no longer present for such amended claims.  872 F.3d 1290 (Fed. Cir. 2017) (en banc).  In particular, there is no government agency that is tasked with performing the inquisitorial examination that gave rise to the original presumption.  How can there be a presumption that the government agent charged with examining the patent claims did his or her job, when there is no such person assigned to perform that job?

Proving A Patent Invalid: The Burden is on the Challenger

When an individual or company challenges the validity of a patent, “the burden of establishing invalidity of a patent or any claim thereof shall rest on the party asserting such invalidity.” In other words, the challenger bears the burden of demonstrating that the patent is invalid—the individual or company holding the patent need not show that the patent is valid. However, the text of the statute is silent on the precise nature of the challenger’s burden.