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Serving leading biopharmaceutical companies globally:

Moodys
Medtronic
US Army
McKesson
Mallinckrodt
Merck
Johnson and Johnson
Cantor Fitzgerald
McKinsey
Colorcon

Generated: October 23, 2017

DrugPatentWatch Database Preview

Details for Patent: 6,641,843

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Which drugs does patent 6,641,843 protect, and when does it expire?


Patent 6,641,843 protects ZIAGEN and is included in one NDA. There have been two Paragraph IV challenges on Ziagen.

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

This patent has forty-seven patent family members in thirty-eight countries.

Summary for Patent: 6,641,843

Title: Pharmaceutical compositions
Abstract:The present invention relates to pharmaceutical compostions of (1S,4R)-cis-4-[2-amino-6-cyclopropylamino}-9H-purin-9-yl]-2-cyclopentene-1 -methanol (1592U89).
Inventor(s): Brooks; Nikki Thoennes (Glen Allen, VA)
Assignee: SmithKline Beecham Corporation (Philadelphia, PA)
Application Number:09/601,671
Patent Claim Types:
see list of patent claims
Composition; Compound; Dosage form; Process; Formulation;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Viiv Hlthcare
ZIAGEN
abacavir sulfate
SOLUTION;ORAL020978-001Dec 17, 1998AARXYesYes► Subscribe► SubscribeY
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Foreign Priority and PCT Information for Patent: 6,641,843

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9802472Feb 06, 1998
PCT Information
PCT FiledFebruary 04, 1999PCT Application Number:PCT/EP99/00663
PCT Publication Date:August 12, 1999PCT Publication Number: WO99/39691

International Patent Family for Patent: 6,641,843

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
African Regional IP Organization (ARIPO)1212► Subscribe
African Regional IP Organization (ARIPO)200001878► Subscribe
Argentina017455► Subscribe
Austria237309► Subscribe
Australia2722199► Subscribe
Australia754255► Subscribe
Brazil9907649► Subscribe
Canada2319010► Subscribe
China101239063► Subscribe
China1296406► 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
Cantor Fitzgerald
Medtronic
Mallinckrodt
Julphar
US Army
Fuji
Deloitte
Novartis
Baxter

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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