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###### Department of Health and Human Services

###### Food and Drug Administration

          - [Docket No. FDA-2007-E-0164]

# AGENCY:

 Food and Drug Administration, HHS.

# ACTION:

 Notice.

# SUMMARY:

 The Food and Drug Administration (FDA) has determined the regulatory review period for ALTABAX OINTMENT and is publishing this notice of that determination as required by law. FDA has made the determination because of the submission of an application to the Director of Patents and Trademarks, Department of Commerce, for the extension of a patent which claims that human drug product.

# ADDRESSES:

                         Submit written comments and petitions to the Division of Dockets Management (HFA-305), Food and Drug Administration, 5630 Fishers Lane, rm. 1061, Rockville, MD 20852. Submit electronic comments to                         *http://www.regulations.gov*.                    

# FOR FURTHER INFORMATION CONTACT:

 Beverly Friedman, Office of Regulatory Policy, Food and Drug Administration, 10903 New Hampshire Ave., Bldg. 51, rm. 6222, Silver Spring, MD 20993-0002, 301-796-3602.

# SUPPLEMENTARY INFORMATION:

The Drug Price Competition and Patent Term Restoration Act of 1984 (Public Law 98-417) and the Generic Animal Drug and Patent Term Restoration Act (Public Law 100-670) generally provide that a patent may be extended for a period of up to 5 years so long as the patented item (human drug product, animal drug product, medical device, food additive, or color additive) was subject to regulatory review by FDA before the item was marketed. Under these acts, a product's regulatory review period forms the basis for determining the amount of extension an applicant may receive.

A regulatory review period consists of two periods of time: A testing phase and an approval phase. For human drug products, the testing phase begins when the exemption to permit the clinical investigations of the human drug product becomes effective and runs until the approval phase begins. The approval phase starts with the initial submission of an application to market the human drug product and continues until FDA grants permission to market the drug product. Although only a portion of a regulatory review period may count toward the actual amount of extension that the Director of Patents and Trademarks may award (for example, half the testing phase must be subtracted as well as any time that may have occurred before the patent was issued), FDA's determination of the length of a regulatory review period for a human drug product will include all of the testing phase and approval phase as specified in 35 U.S.C. 156(g)(1)(B).

                    FDA recently approved for marketing the human drug product ALTABAX OINTMENT (retapamulin). ALTABAX OINTMENT is indicated for the topical treatment of impetigo due to                     *Staphylococcus aureus*                     (methicillin-susceptible isolates only) or                     *Streptococcus pyogenes*                     in patients aged 9 months or older. Subsequent to this approval, the Patent and Trademark Office received a patent term restoration application for ALTABAX OINTMENT (U.S. Patent No. RE39,128E) from SmithKline Beecham P.L.C., and SmithKline Beecham Corp., and the Patent and Trademark Office requested FDA's assistance in determining this patent's eligibility for patent term restoration. In a letter dated April 28, 2008, FDA advised the Patent and Trademark Office that this human drug product had undergone a regulatory review period and that the approval of ALTABAX OINTMENT represented the first permitted commercial marketing or use of the product. Thereafter, the Patent and Trademark Office requested that FDA determine the product's regulatory review period.                

FDA has determined that the applicable regulatory review period for ALTABAX OINTMENT is 1,602 days. Of this time, 1,297 days occurred during the testing phase of the regulatory review period, while 305 days occurred during the approval phase. These periods of time were derived from the following dates:

                    1.                     *The date an exemption under section 505(i) of the Federal Food, Drug, and Cosmetic Act (the act) (21 U.S.C. 355(i)) became effective*: November 24, 2002. FDA has verified the applicant's claim that the date the investigational new drug application became effective was on November 24, 2002.                

                    2.                     *The date the application was initially submitted with respect to the human drug product under section 505(b) of the act*: June 12, 2006. FDA has verified the applicant's claim that the new drug application (NDA) for ALTABAX OINTMENT (NDA 22-055) was initially submitted on June 12, 2006.                

                    3.                     *The date the application was approved*: April 12, 2007. FDA has verified the applicant's claim that NDA 22-055 was approved on April 12, 2007.                

This determination of the regulatory review period establishes the maximum potential length of a patent extension. However, the U.S. Patent and Trademark Office applies several statutory limitations in its calculations of the actual period for patent extension. In its application for patent extension, this applicant seeks 833 days of patent term extension.

                    Anyone with knowledge that any of the dates as published are incorrect may submit to the Division of Dockets Management (see                     **ADDRESSES**                    ) written or electronic comments and ask for a redetermination by May 8, 2009. Furthermore, any interested person may petition FDA for a determination regarding whether the applicant for extension acted with due diligence during the regulatory review period by September 8, 2009. To meet its burden, the petition must contain sufficient facts to merit an FDA investigation. (See H. Rept. 857, part 1, 98th Cong., 2d sess., pp. 41-42, 1984.) Petitions should be in the format specified in 21 CFR 10.30.                

Comments and petitions should be submitted to the Division of Dockets Management. Three copies of any mailed information are to be submitted, except that individuals may submit one copy. Comments are to be identified with the docket number found in brackets in the heading of this document. Comments and petitions may be seen in the Division of Dockets Management between 9 a.m. and 4 p.m., Monday through Friday.

      ( print page 10056)    
Dated: February 17, 2009.

Jane A. Axelrad,

Associate Director for Policy, Center for Drug Evaluation and Research.

[FR Doc. E9-4914 Filed 3-6-09; 8:45 am]

BILLING CODE 4160-01-S