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Serving 500+ biopharmaceutical companies globally:

Medtronic
Argus Health
Teva
US Department of Justice
Mallinckrodt
Cantor Fitzgerald
Baxter
McKesson
Healthtrust
Harvard Business School

Generated: June 26, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,905,082

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Which drugs does patent 5,905,082 protect, and when does it expire?


Patent 5,905,082 protects EPIVIR-HBV, TRIZIVIR, TRIUMEQ, EPZICOM, COMBIVIR, and EPIVIR, and is included in seven NDAs. There have been zero Paragraph IV challenges on Trizivir, Epivir-HBV, Epivir, Epzicom, and Combivir.

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

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

Summary for Patent: 5,905,082

Title: Crystalline oxathiolane derivatives
Abstract:(-)cis-4-Amino-1-(2-hydroxymethyl-1,3-oxathiolan-5-yl)-(IH)-pyrimidine-2-on e in crystalline form, in particular as needle-shaped or bypyramidyl crystals, pharmaceutical formulations thereof, methods for their preparation and their use in medicine.
Inventor(s): Roberts; Tony Gordon (Ware, GB), Evans; Paul (Ware, GB)
Assignee: Glaxo Group Limited (Greenford, GB)
Application Number:07/892,029
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Dosage form; Use;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Glaxosmithkline
EPIVIR-HBV
lamivudine
TABLET;ORAL021003-001Dec 8, 1998ABRXYesYes5,905,082*PED► Subscribe
Viiv Hlthcare
TRIZIVIR
abacavir sulfate; lamivudine; zidovudine
TABLET;ORAL021205-001Nov 14, 2000ABRXYesYes5,905,082*PED► Subscribe
Viiv Hlthcare
TRIUMEQ
abacavir sulfate; dolutegravir sodium; lamivudine
TABLET;ORAL205551-001Aug 22, 2014RXYesYes5,905,082*PED► Subscribe
Viiv Hlthcare
EPZICOM
abacavir sulfate; lamivudine
TABLET;ORAL021652-001Aug 2, 2004ABRXYesYes5,905,082*PED► Subscribe
Viiv Hlthcare
COMBIVIR
lamivudine; zidovudine
TABLET;ORAL020857-001Sep 26, 1997ABRXYesYes5,905,082*PED► Subscribe
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Foreign Priority and PCT Information for Patent: 5,905,082

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom91 11902Jun 03, 1991

International Patent Family for Patent: 5,905,082

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Ireland20020782► Subscribe
Ireland921780► Subscribe
Hong Kong1009599► Subscribe
United Kingdom9111902► Subscribe
Spain2171158► 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 500+ biopharmaceutical companies globally:

Teva
Colorcon
UBS
Merck
Novartis
QuintilesIMS
Farmers Insurance
AstraZeneca
Covington
Express Scripts

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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