USPTO Final Rule Limits a Reduction of Patent Term Adjustment to the Period the Applicant Failed to Undertake Reasonable Prosecution Efforts
On June 16, 2020, the United States Patent and Trademark Office (USPTO) published a final rule revising patent term adjustment under 35 U.S.C. 154(b) in view of Supernus Pharm., Inc. v. Iancu. In Supernus, the Federal Circuit held that a reduction of patent term adjustment must be equal to the period of time during which the applicant failed to engage in reasonable efforts to conclude prosecution of the application. The USPTO thus cannot deduct an amount of time beyond the period during which the applicant failed to undertake reasonable efforts to conclude prosecution. The USPTO revised relevant provisions pertaining to reduction of patent term adjustment, aligning the provisions with Federal Circuit law. Section 154(b)(2)(C) of the Patent Act authorizes the USPTO to reduce the total amount of patent term adjustment for certain delays by deducting the number of days equal to the period of time that “the applicant failed to engage in reasonable efforts to conclude prosecution of the application.” The USPTO implemented this section with 37 CFR § 1.704. In 2006, Supernus Pharmaceuticals filed patent applications in both the United States and Europe covering an osmotic drug delivery system. In February 2011, Supernus filed a Request for Continued Examination (RCE) in the U.S. application after a final rejection. Supernus’s European application was granted later...