USPTO Designates Assignor Estoppel Case as Precedential Authority

assignor estoppel doctrine IPR judicial review

On August 1, 2017, the USPTO designated a Patent Trial and Appeal Board case as precedential authority.  This case was decided four years ago, on October 25, 2013.  That case, Athena Automation Ltd. v. Husky Injection Molding System Ltd.[1], held that the doctrine of assignor estoppel is not an exception to inter partes review (IPR).[2] …

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Fed Circuit Watch: Litigation Misconduct and Inequitable Conduct

duty of disclosure ethics inequitable conduct patent patent agent

By Brent T. Yonehara On July 27, 2017, the Court of Appeals for the Federal Circuit decided Regeneron Pharmaceuticals, Inc. v. Merus B.V.  In Regeneron, the Federal Circuit affirmed a district court’s finding that Regeneron’s patent 8,502,018 was unenforceable due to inequitable conduct.[1]  This case brings up the Therasense New Order of Inequitable Conduct in …

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