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Patent Ownership Administrative Procedure Intellectual Property Protection

Fish & Richardson

EPRx 101: Getting to Know Ex Parte Reexamination

Fish & Richardson on

Ex parte reexamination (EPRx) is a powerful tool that allows any party — including the patent owner — to request that the United States Patent and Trademark Office (USPTO) reassess the validity of an issued patent based on...more

Morgan Lewis

Reissue

Morgan Lewis on

A reissue application may be filed by a patent owner to correct an error in a patent. Reissue applications are useful to correct substantive errors that cannot be corrected with a certificate of correction. ...more

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