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May a patent owner challenge the standing of a petitioner in the preliminary response?

2018-04-11T08:53:42+00:00April 10th, 2018|

A patent holder may challenge the standing of a petitioner in the preliminary response. For example, a patent holder may provide evidence that the petitioner has filed a civil action challenging patentability prior to filing the petition or that the petitioner otherwise is stopped from challenging the patent owner’s claims.