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Accenture
Covington
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Fuji
Chubb
US Army
Cantor Fitzgerald
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Generated: October 21, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,914,331

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Which drugs does patent 5,914,331 protect, and when does it expire?


Patent 5,914,331 protects EMTRIVA, STRIBILD, DESCOVY, COMPLERA, ATRIPLA, ODEFSEY, TRUVADA, and GENVOYA, and is included in nine NDAs. There have been zero Paragraph IV challenges on Emtriva , Truvada, Complera, and Atripla.

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

This patent has one hundred and seventy patent family members in thirty-four countries.

Summary for Patent: 5,914,331

Title: Antiviral activity and resolution of 2-hydroxymethyl-5-(5-fluorocytosin-1-yl)-1,3-oxathiolane
Abstract:A method and composition for the treatment of HIV and HBV infections in humans is disclosed that includes administering an effective amount of 2-hydroxymethyl-5-(5-fluorocytosin-1-yl)-1,3-oxathiolane, a pharmaceutically acceptable derivative thereof, including a 5' or N.sup.4 alkylated or acylated derivative, or a pharmaceutically acceptable salt thereof, in a pharmaceutically acceptable carrier. A process for the resolution of a racemic mixture of nucleoside enantiomers is also disclosed that includes the step of exposing the racemic mixture to an enzyme that preferentially catalyzes a reaction in one of the enantiomers.
Inventor(s): Liotta; Dennis C. (Stone Mountain, GA), Schinazi; Raymond F. (Decatur, GA), Choi; Woo-Baeg (North Brunswick, NJ)
Assignee: Emory University (Atlanta, GA)
Application Number:08/488,097
Patent Claim Types:
see list of patent claims
Compound; Composition;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Gilead
EMTRIVA
emtricitabine
CAPSULE;ORAL021500-001Jul 2, 2003RXYesYes► Subscribe► SubscribeY
Gilead Sciences Inc
STRIBILD
cobicistat; elvitegravir; emtricitabine; tenofovir disoproxil fumarate
TABLET;ORAL203100-001Aug 27, 2012RXYesYes► Subscribe► SubscribeY
Gilead Sciences Inc
DESCOVY
emtricitabine; tenofovir alafenamide fumarate
TABLET;ORAL208215-001Apr 4, 2016RXYesYes► Subscribe► SubscribeY
Gilead Sciences Inc
COMPLERA
emtricitabine; rilpivirine hydrochloride; tenofovir disoproxil fumarate
TABLET;ORAL202123-001Aug 10, 2011RXYesYes► Subscribe► SubscribeY
Gilead
ATRIPLA
efavirenz; emtricitabine; tenofovir disoproxil fumarate
TABLET;ORAL021937-001Jul 12, 2006RXYesYes► Subscribe► SubscribeY
Gilead Sciences Inc
ODEFSEY
emtricitabine; rilpivirine hydrochloride; tenofovir alafenamide fumarate
TABLET;ORAL208351-001Mar 1, 2016RXYesYes► Subscribe► SubscribeY
Gilead
TRUVADA
emtricitabine; tenofovir disoproxil fumarate
TABLET;ORAL021752-002Mar 10, 2016RXYesNo► Subscribe► SubscribeY
Gilead
TRUVADA
emtricitabine; tenofovir disoproxil fumarate
TABLET;ORAL021752-003Mar 10, 2016RXYesNo► Subscribe► SubscribeY
Gilead
TRUVADA
emtricitabine; tenofovir disoproxil fumarate
TABLET;ORAL021752-004Mar 10, 2016RXYesNo► Subscribe► SubscribeY
Gilead
TRUVADA
emtricitabine; tenofovir disoproxil fumarate
TABLET;ORAL021752-001Aug 2, 2004ABRXYesYes► Subscribe► SubscribeY
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Non-Orange Book Patents for Patent: 5,914,331

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
5,700,937 Method for the synthesis, compositions and use of 2'-deoxy-5-fluoro-3'-thiacytidine and related compounds► Subscribe
6,703,396 Method of resolution and antiviral activity of 1,3-oxathiolane nuclesoside enantiomers► Subscribe
6,346,627 Intermediates in the synthesis of 1,3-oxathiolane nucleoside enantiomers► Subscribe
6,114,343 Antiviral activity and resolution of 2-hydroxymethyl-5-(5-flurocytosin-1-yl)-1,3-oxathiolane► Subscribe
6,931,679 Foldable stand for a hammock► Subscribe
5,204,466 Method and compositions for the synthesis of BCH-189 and related compounds► Subscribe
5,827,727 Method of resolution of 1,3-oxathiolane nucleoside enantiomers► Subscribe
7,468,436Method of resolution and antiviral activity of 1,3-oxathiolane nucleoside enantiomers► Subscribe
7,053,100Therapeutic nucleosides► Subscribe
6,153,751 Method and compositions for the synthesis of BCH-189 and related compounds► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Because of the complexity of determining patent expiration dates it is advisable to have patent counsel verify freedom to operate.

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International Patent Family for Patent: 5,914,331

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Israel100965► Subscribe
Israel101144► Subscribe
Canada2481078► Subscribe
Canada2513440► Subscribe
Canada2678778► Subscribe
China1065065► Subscribe
China1037682► Subscribe
China1203232► Subscribe
China1084745► Subscribe
China1127301► 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:

Covington
Cerilliant
Mallinckrodt
Johnson and Johnson
Novartis
Colorcon
AstraZeneca
Argus Health
Fish and Richardson
Moodys

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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