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Generated: June 25, 2017

DrugPatentWatch Database Preview

Details for Patent: 7,947,681

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Which drugs does patent 7,947,681 protect, and when does it expire?


Patent 7,947,681 protects KUVAN and is included in one NDA. There have been three Paragraph IV challenges on Kuvan.

Protection for KUVAN has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

Summary for Patent: 7,947,681

Title:Methods of administering tetrahydrobiopterin, associated compositions, and methods of measuring
Abstract: The present invention is directed to treatment methods of administering tetrahydrobiopterin, including in oral dosage forms, in intravenous formulations, and with food. Also disclosed herein are biopterin assays for measuring the amount of biopterin and metabolites of biopterin in a sample.
Inventor(s): Oppenheimer; Daniel I. (Castro Valley, CA), Dorenbaum; Alejandro (Mill Valley, CA), Okhamafe; Augustus (Concord, CA), Foehr; Erik (San Rafael, CA), Castillo; Sianna (San Francisco, CA), Kostel; Paul J. (Santa Rosa, CA)
Assignee: Biomarin Pharmaceutical Inc. (Novato, CA)
Application Number:12/577,509
Patent Claim Types:
see list of patent claims
Use; Dosage form;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Biomarin Pharm
KUVAN
sapropterin dihydrochloride
TABLET;ORAL022181-001Dec 13, 2007RXYesYes7,947,681*PED► SubscribeY
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Serving 500+ biopharmaceutical companies globally:

UBS
Teva
US Department of Justice
Deloitte
US Army
McKinsey
Farmers Insurance
Cantor Fitzgerald
Novartis
Moodys

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