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Details for Patent: 5,872,132

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Patent 5,872,132 protects PAXIL and PAXIL CR and is included in four NDAs. There have been zero Paragraph IV challenges on Paxil CR and

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

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

Summary for Patent: 5,872,132

Title: Form of paroxetine hydrochloride anhydrate
Abstract:"Paroxetine hydrochloride (I) anhydrate ##STR1## free of bound propan-2-ol, and various forms thereof, are useful in the treatment of depression and other disorders for which administration of selective serotonin reuptake inhibitors are indicated."
Inventor(s): Ward; Neal (East Sussex, GB2), Jacewicz; Victor Witold (Kent, GB2)
Assignee: SmithKline Beecham Corporation (Philadelphia, PA)
Application Number:08/733,874
Patent Claim Types:
see list of patent claims
Compound; Composition;
Patent Metrics:
Source: PatentQuant.com
Field: Not categorized
Back Citations: 7th percentile
Forward Citations: 7th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Apotex Technologies
PAXIL
paroxetine hydrochloride
SUSPENSION;ORAL020710-001Jun 25, 1997RXYes5,872,132*PED► subscribe
Apotex Technologies
PAXIL
paroxetine hydrochloride
TABLET;ORAL020031-001Dec 29, 1992RXNo5,872,132*PED► subscribe
Apotex Technologies
PAXIL
paroxetine hydrochloride
TABLET;ORAL020031-002Dec 29, 1992RXNo5,872,132*PED► subscribe
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Foreign Priority and PCT Information for Patent: 5,872,132

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9502297Feb 06, 1995
United Kingdom9503112Feb 17, 1995

Non-Orange Book Patents for Patent: 5,872,132

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
6,133,289 Paroxetine hydrochloride form A or C► subscribe
5,856,493 Process for making novel form of paroxeting hydrochloride anhydrate► subscribe
5,900,423 Form of paroxetine hydrochloride anhydrate► 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: 5,872,132

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
African Regional IP Organization (ARIPO)9600780► subscribe
Argentina001982► subscribe
Argentina036856► 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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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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