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Serving 500+ biopharmaceutical companies globally:

Express Scripts
Federal Trade Commission
AstraZeneca
Cerilliant
Harvard Business School
McKesson
Farmers Insurance
Daiichi Sankyo
Fish and Richardson
Accenture

Generated: June 26, 2017

DrugPatentWatch Database Preview

Details for Patent: 8,052,994

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Which drugs does patent 8,052,994 protect, and when does it expire?


Patent 8,052,994 protects PROMACTA and is included in one NDA. There have been two Paragraph IV challenges on Promacta.

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

This patent has fifty patent family members in thirty-three countries.

Summary for Patent: 8,052,994

Title:3'-[(2Z)-[1-(3,4-dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-y- lidene] hydrazino]-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic acid bis-(monoethanolamine)
Abstract: Disclosed are novel pharmaceutical compositions containing 3'-[(2Z)-[1-(3,4-dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-- ylidene]hydrazino]-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic acid bis-(monoethanolamine) (eltrombopag olamine) and processes for preparing the same.
Inventor(s): Muller; Francis X. (King of Prussia, PA), Kapsi; Shivakumar G. (King of Prussia, PA)
Assignee: GlaxoSmithKline LLC (Philadelphia, PA)
Application Number:12/607,305
Patent Claim Types:
see list of patent claims
Composition; Compound; Dosage form; Process; Use;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Novartis Pharms Corp
PROMACTA
eltrombopag olamine
TABLET;ORAL022291-004Oct 20, 2011RXYesNo8,052,994*PED► SubscribeY
Novartis Pharms Corp
PROMACTA
eltrombopag olamine
TABLET;ORAL022291-001Nov 20, 2008RXYesNo8,052,994*PED► SubscribeY
Novartis Pharms Corp
PROMACTA
eltrombopag olamine
TABLET;ORAL022291-002Nov 20, 2008RXYesNo8,052,994*PED► SubscribeY
Novartis Pharms Corp
PROMACTA
eltrombopag olamine
TABLET;ORAL022291-003Sep 8, 2009RXYesYes8,052,994*PED► SubscribeY
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Non-Orange Book Patents for Patent: 8,052,994

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
8,071,1293'-[(2Z)-[1-(3,4-dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-y- lidene]hydrazino]-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic acid bis-(monoethanolamine)► Subscribe
8,052,9933'-[(2Z)-[1-(3,4-dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-y- lidene]hydrazino]-2'-hydroxy[1,1'-biphenyl]-3-carboxylic acid bis-(monoethanolamine)► Subscribe
8,062,6653'-[(2Z)-[1-(3,4-dimethylphenyl)-1 ,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene]hydrazino]-2'-hydroxy-[1,1- '-biphenyl]-3-carboxylic acid bis-(monoethanolamine)► Subscribe
8,828,4303'-[(2Z)-[1-(3,4-dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-y- lidene]hydrazino]-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic acid bis-(monoethanolamine)► Subscribe
8,052,9953'-[(2Z)-[1-(3,4-dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-y- lidene] hydrazino]-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic acid bis-(monoethanolamine)► 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: 8,052,994

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Ukraine96261► Subscribe
TaiwanI538674► Subscribe
Taiwan201410240► Subscribe
TaiwanI439267► Subscribe
Taiwan200843742► 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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For more information try a trial or see the database preview and plans and pricing

Serving 500+ biopharmaceutical companies globally:

Deloitte
Covington
Mallinckrodt
Farmers Insurance
Cipla
Cerilliant
US Army
UBS
Fish and Richardson
Dow

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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