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Serving leading biopharmaceutical companies globally:

Fish and Richardson
Boehringer Ingelheim
Argus Health

Generated: October 16, 2017

DrugPatentWatch Database Preview

Details for Patent: 6,294,540

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Which drugs does patent 6,294,540 protect, and when does it expire?

Patent 6,294,540 protects TRIZIVIR, TRIUMEQ, EPZICOM, and ZIAGEN, and is included in five NDAs. There have been zero Paragraph IV challenges on Triumeq, Ziagen, Trizivir, and .

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

This patent has ninety patent family members in forty-eight countries.

Summary for Patent: 6,294,540

Title: Carbocyclic nucleoside hemisulfate and its use in treating viral infections
Abstract:The hemisulfate salt of (1S,4R)-cis-4-[2-amino-6-(cyclopropylamino)-9H-purin-9-yl]-2-cyclopentene- 1-methanol or a solvate of it is used in the treatment of viral infections.
Inventor(s): Brodie; Alastair Couper (London, GB), Jones; Martin Francis (Kneloworth, GB), Seager; John Frederick (Ware, GB), Wallis; Christopher John (Rayston, GB)
Assignee: Glaxo Wellcome Inc. (Research Triangle Park, NC)
Application Number:09/423,982
Patent Claim Types:
see list of patent claims
Compound; Use; Composition; Formulation; Dosage form; Process;

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
abacavir sulfate; lamivudine; zidovudine
TABLET;ORAL021205-001Nov 14, 2000ABRXYesYes► Subscribe► SubscribeY
Viiv Hlthcare
abacavir sulfate; dolutegravir sodium; lamivudine
TABLET;ORAL205551-001Aug 22, 2014RXYesYes► Subscribe► SubscribeY
Viiv Hlthcare
abacavir sulfate; lamivudine
TABLET;ORAL021652-001Aug 2, 2004ABRXYesYes► Subscribe► SubscribeY
Viiv Hlthcare
abacavir sulfate
TABLET;ORAL020977-001Dec 17, 1998ABRXYesYes► Subscribe► SubscribeY
Viiv Hlthcare
abacavir sulfate
SOLUTION;ORAL020978-001Dec 17, 1998AARXYesYes► Subscribe► SubscribeY
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Foreign Priority and PCT Information for Patent: 6,294,540

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9709945May 17, 1997
PCT Information
PCT FiledMay 14, 1998PCT Application Number:PCT/EP98/02835
PCT Publication Date:November 26, 1998PCT Publication Number: WO98/52949

International Patent Family for Patent: 6,294,540

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
New Zealand500865► Subscribe
Norway995621► Subscribe
Norway995620► Subscribe
Norway324731► Subscribe
Norway995622► Subscribe
Malaysia120151► Subscribe
Morocco26498► Subscribe
Morocco26496► Subscribe
Japan2000327679► Subscribe
Japan2001525839► 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:

Farmers Insurance
Argus Health
Express Scripts
Federal Trade Commission
Daiichi Sankyo

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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