Unimed, Inc. And Theodor Petrzilka v. Donald J. Quigg, Commissioner of Patents and Trademarks

888 F.2d 826, 12 U.S.P.Q. 2d (BNA) 1644, 1989 U.S. App. LEXIS 15913, 1989 WL 124235
CourtCourt of Appeals for the Federal Circuit
DecidedOctober 23, 1989
Docket89-1430
StatusPublished
Cited by9 cases

This text of 888 F.2d 826 (Unimed, Inc. And Theodor Petrzilka v. Donald J. Quigg, Commissioner of Patents and Trademarks) is published on Counsel Stack Legal Research, covering Court of Appeals for the Federal Circuit primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Unimed, Inc. And Theodor Petrzilka v. Donald J. Quigg, Commissioner of Patents and Trademarks, 888 F.2d 826, 12 U.S.P.Q. 2d (BNA) 1644, 1989 U.S. App. LEXIS 15913, 1989 WL 124235 (Fed. Cir. 1989).

Opinion

*827 MAYER, Circuit Judge.

This is an appeal of the judgment of the United States District Court for the District of Columbia, 707 F.Supp. 17, 10 USPQ2dl698 (1989), setting aside the Commissioner’s denial of Theodor Petrzilka’s application for extension of the term of U.S. Patent 3,668,224 pursuant to 35 U.S.C. § 156 (Supp. II 1984) because the application was untimely. Unimed, Inc., is the exclusive licensee of the patent, and the appellees will be referred to jointly as “Un-imed”. The district court remanded the application to the Patent and Trademark Office for consideration on the merits and ordered it to grant an interim extension pending its final decision. We reverse.

Background

U.S. Patent 3,668,224 describes and claims a process for making a dibenzo-py-ran, which has the trade name Marinol. Marinol is the synthetic equivalent of an isomer of delta-9-tetrahydrocannabinol or THC, which is the principal psychoactive substance in Cannabis sativa L. marijuana. As exclusive licensee of the patent, Unimed submitted a New Drug Application (NDA) to the Food and Drug Administration on June 24, 1981 pursuant to section 505(b) of the Federal Food, Drug and Cosmetic Act (FFDCA), 21 U.S.C. § 355, requesting approval of Marinol capsules for use as an antiemetic and antinauseant. By letter dated May 31, 1985, the FDA approved the NDA. The approval letter also stated, “We wish to remind you that MAR-INOL may not be legally marketed until the Drug Enforcement Administration has completed rescheduling activities as required by the Controlled Substances Act.”

On May 13, 1986, the Drug Enforcement Administration finalized the removal of Marinol from Schedule I to Schedule II of the Controlled Substances Act, 21 U.S.C. § 812, clearing the way for commercial marketing of the drug. Unimed’s application for extension of the patent term pursuant to 35 U.S.C. § 156 was filed in the PTO fourteen days after DEA rescheduled the drug, but more than a year after the FDA’s final approval letter.

The PTO denied Unimed’s application for extension of the patent term because it was not timely filed under 35 U.S.C. § 156(d)(1). After an unsuccessful request for reconsideration, Unimed filed this suit, and the district court granted its motion for summary judgment.

Discussion

Title II of the Drug Price Competition and Patent Term Restoration Act of 1984, 35 U.S.C. § 156, permits the term of a patent claiming a human drug product or method of using or manufacturing such a product to be extended for a period of time related to the time the drug was subject to regulatory review. As a condition for extension of the patent term, the patent owner must submit an application to the Commissioner of Patents and Trademarks in accordance with section 156(d). 35 U.S.C. § 156(a)(3). Section 156(d) provides:

(1) ... Such an application may only be submitted within the sixty-day period beginning on the date the product received permission under the provision of law under which the applicable regulatory review period occurred for commercial marketing or use.

The “regulatory review period” for human drug products is defined in section 156(g)(1)(B):

The regulatory review period for a human drug product is the sum of—
(i) the period beginning on the date an exemption under subsection (i) of section 505 or subsection (d) of section 507 became effective for the approved human drug product and ending on the date an application was initially submitted for such drug product under section 351, 505, or 507, and
(ii) the period beginning on the date the application was initially submitted for the approved human drug product under section 351, subsection (b) of section 505, or section 507 and ending on the date such application was approved under such section.

Sections 505 and 507 are from the FFDCA, 21 U.S.C. §§ 355 and 357, and section 351 is *828 from the Public Health Service Act, 42 U.S.C. § 262. See 35 U.S.C. § 156(f)(4).

The timeliness issue boils down to whether the sixty-day period specified in section 156(d)(1) began, as the Commissioner argues, when the FDA sent its approval letter, on May 31, 1985 or, as Unimed argues, when the DEA. rescheduled Marinol nearly a year later. By Unimed’s reckoning, because Marinol could not legally have been marketed until DEA rescheduling was complete, the sixty-day period under section 156(d)(1) did not begin until then. Unimed also tells us the FDA regarded DEA rescheduling as a precondition to marketing; indeed it goes a step further and argues that, from a practical standpoint, the FDA’s approval of the NDA was contingent on DEA rescheduling.

We look first to the language of the statute. Unless it is ambiguous, the language Congress chose is conclusive of its meaning absent a clearly stated contrary intention. Burlington N. R.R. v. Oklahoma Tax Comm’n, 481 U.S. 454, 461, 107 S.Ct. 1855, 1860, 95 L.Ed.2d 404 (1987).

According to section 156(d)(1), the sixty-day period begins “on the date the product received permission under the provision of law under which the applicable regulatory review period occurred for commercial marketing or use.” Read in light of the definition of the “regulatory review period” in section 156(g)(1)(B), this language is crystal clear. In this case, “the provision of law under which the applicable regulatory review period occurred” is section 505 of the FFDCA, which governs the approval of new drugs by the FDA. There is no mention of DEA rescheduling or of 21 U.S.C. § 811(a), the statute under which rescheduling takes place. Therefore, section 156(d)(1) admits of no other meaning than that the sixty-day period begins on the FDA approval date.

According to the FDA, the date of marketing approval for all new drugs is the date appearing on its approval letters.

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888 F.2d 826, 12 U.S.P.Q. 2d (BNA) 1644, 1989 U.S. App. LEXIS 15913, 1989 WL 124235, Counsel Stack Legal Research, https://law.counselstack.com/opinion/unimed-inc-and-theodor-petrzilka-v-donald-j-quigg-commissioner-of-cafc-1989.