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Details for Patent: 5,969,156

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Patent 5,969,156 protects LIPITOR, CADUET, and LIPTRUZET, and is included in three NDAs. There have been three Paragraph IV challenges on Caduet.

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

This patent has sixty-four patent family members in thirty-six countries.

Summary for Patent: 5,969,156

Title: Crystalline [R- (R*,R*)]-2-(4-Dfluorophenyl)-.beta.,.delta.-dihydroxy-5-(1-methylethyl)- 3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic acid hemi calcium salt (atorvastatin)
Abstract:Crystalline forms of atorvastatin and hydrates thereof are useful hypolipidemic and hypocholesterolemic agents.
Inventor(s): Briggs; Christopher A. (Holland, MI), Jennings; Rex A. (Holland, MI), Wade; Robert (Holland, MI), Harasawa; Kikuko (Sagamihara, JP), Ichikawa; Shigeru (Machida, JP), Minohara; Kazuo (Sagamihara, JP), Nakagawa; Shinsuke (Sagamihara, JP)
Assignee: Warner-Lambert Company (Morris Plains, NJ)
Application Number:08/945,812
Patent Claim Types:
see list of patent claims
Patent Metrics:
Source: PatentQuant.com
Field: Organic fine chemistry
Back Citations: 3rd percentile
Forward Citations: 12th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
atorvastatin calcium
TABLET;ORAL020702-001Dec 17, 1996RXNo5,969,156*PEDJan 8, 2017Y
atorvastatin calcium
TABLET;ORAL020702-002Dec 17, 1996RXNo5,969,156*PEDJan 8, 2017Y
atorvastatin calcium
TABLET;ORAL020702-003Dec 17, 1996RXNo5,969,156*PEDJan 8, 2017Y
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Foreign Priority and PCT Information for Patent: 5,969,156

PCT Information
PCT FiledJuly 08, 1996PCT Application Number:PCT/US96/11368
PCT Publication Date:February 06, 1997PCT Publication Number: WO97/03959

International Patent Family for Patent: 5,969,156

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Hungary9900678<disabled in preview>
Hungary223599<disabled in preview>
Canada2220018<disabled in preview>
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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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