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Serving leading biopharmaceutical companies globally:

US Department of Justice
Daiichi Sankyo
Novartis
Cerilliant
Merck
Baxter
Boehringer Ingelheim
US Army
McKesson
Cipla

Generated: December 17, 2017

DrugPatentWatch Database Preview

Details for Patent: 8,546,436

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Which drugs does patent 8,546,436 protect, and when does it expire?


Patent 8,546,436 protects DUZALLO and ZURAMPIC and is included in two NDAs.

This patent has twenty-six patent family members in twenty-six countries.

Summary for Patent: 8,546,436

Title:Polymorphic forms of 2-(5-bromo-4-(4-cyclopropylnaphthalen-1-yl)-4H-1,2,4-triazol-3-ylthio)ace- tic acid and uses thereof
Abstract: Crystalline polymorph forms of 2-(5-bromo-4-(4-cyclopropyl naphthalen-1-yl)-4H-1,2,4-triazol-3-ylthio)acetic acid are described. Pharmaceutical compositions and the uses of such compounds, compound forms, and compositions for the treatment of a variety of diseases and conditions are also presented.
Inventor(s): Treiber; Laszlo R. (San Diego, CA), Galvin; Gabriel (San Diego, CA), Zamansky; Irina (Oceanside, CA), Girardet; Jean-Luc (San Diego, CA)
Assignee: Ardea Biosciences, Inc. (San Diego, CA)
Application Number:13/339,283
Patent Claim Types:
see list of patent claims
Compound; Use; Composition; Process;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Ironwood Pharms IncDUZALLOallopurinol; lesinuradTABLET;ORAL209203-001Aug 18, 2017RXYesNo► Subscribe► SubscribeY► Subscribe
Ironwood Pharms IncDUZALLOallopurinol; lesinuradTABLET;ORAL209203-002Aug 18, 2017RXYesYes► Subscribe► SubscribeY► Subscribe
Ironwood Pharms IncZURAMPIClesinuradTABLET;ORAL207988-001Dec 22, 2015RXYesYes► Subscribe► SubscribeYY► Subscribe
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International Patent Family for Patent: 8,546,436

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Israel226367► Subscribe
Japan2014501282► Subscribe
HungaryE031766► Subscribe
CroatiaP20170187► Subscribe
European Patent Office2658846► Subscribe
Spain2614914► Subscribe
Eurasian Patent Organization022301► Subscribe
Eurasian Patent Organization201370150► Subscribe
Cyprus1118621► Subscribe
Denmark2658846► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

Citi
Chubb
Express Scripts
Novartis
Chinese Patent Office
Cantor Fitzgerald
Mallinckrodt
Harvard Business School
Teva
Accenture

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 verifification 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.

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