Tag: patent invalidity

Procedural Mechanisms for Invalidating Patent Claims Due to Indefiniteness

One of the defenses available to an accused infringer is that the asserted patent claims are invalid for indefiniteness.  The Patent Statute requires that the claims of a patent “particularly point[] out and distinctly claim[] the subject matter which the applicant regards as his invention.”  35 U.S.C. § 112 (b) (formerly 35 U.S.C. § 112,…

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Invalidating Patent Claims For Failing to Include Required Aspects of an Invention

In last month’s blog, we discussed the Federal Circuit’s decision in X2Y Attenuators, LLC. V. International Trade Commission, a case which demonstrated how limiting descriptions of an invention in a patent specification can be used to restrict the scope of otherwise facially broad claims.  This month, in ScriptPro, LLC v. Innovation Associates, Inc.,the Federal Circuit…

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Defending the Patent Case – A Tale of Two Cases

In our experience, many patent cases are actually a tale of two cases: The case based on the patent holder’s interpretation and application of the claims and the case based on the accused infringer’s interpretation and application of the claims.  Both cases involve the same set of patent claims. However, they often involve conflicting ways…

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It Ain’t Over ‘Til It’s Over- Federal Circuit Court of Appeals Strengthens Reexamination Process

On July 2, 2013 the Federal Circuit Court of Appeals issued an opinion in Fresenius USA v. Baxter International, Inc., Case. No. 2012-1334, 1335 (Fed. Cir. July 2, 2013), which enhances the ability of patent infringement defendants to invalidate patents via the ex parte reexamination process. The ex parte reexamination process allows anyone to ask…

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