➤ Get the DrugPatentWatch Daily Briefing

Get Daily Updates on Generic Entry, Litigation, Biosimilars, and more …

Serving leading biopharmaceutical companies globally:

Boehringer Ingelheim
McKinsey
Mallinckrodt
Dow
Colorcon
Moodys

Last Updated: July 26, 2021

DrugPatentWatch Database Preview

Details for Patent: 7,947,681


Email this page to a colleague

« Back to Dashboard

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.

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

This patent has thirty-nine patent family members in nineteen countries.

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 Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 7,947,681
Patent Claim Types:
see list of patent claims
Use; Dosage form;

Drugs Protected by US Patent 7,947,681

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Biomarin Pharm KUVAN sapropterin dihydrochloride TABLET;ORAL 022181-001 Dec 13, 2007 AB RX Yes Yes ⤷  Free Forever Trial ⤷  Free Forever Trial Y ⤷  Free Forever Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 7,947,681

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2008240259 ⤷  Free Forever Trial
Australia 2008347005 ⤷  Free Forever Trial
Brazil PI0809470 ⤷  Free Forever Trial
Brazil PI0821970 ⤷  Free Forever Trial
Canada 2682598 ⤷  Free Forever Trial
Canada 2711160 ⤷  Free Forever Trial
China 101678025 ⤷  Free Forever Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

Make Better Decisions: Try a trial or see plans & pricing

Serving leading biopharmaceutical companies globally:

Medtronic
Harvard Business School
Johnson and Johnson
Colorcon
Baxter
AstraZeneca

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.