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Details for Patent: 6,063,927

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Patent 6,063,927 protects PAXIL and is included in one NDA. There has been one Paragraph IV challenge on Paxil.

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

This patent has one hundred and forty-nine patent family members in thirty-eight countries.

This patent has expired prematurely due to non-payment of maintenance fees. See details below.

Summary for Patent: 6,063,927

Title: Paroxetine derivatives
Abstract:Piperidine compounds, processes for preparing them, pharmaceutical compositions comprising them and their use in therapy are disclosed.
Inventor(s): Craig; Andrew Simon (Kent, GB), Jones; Alan David (Kent, GB), O'Keeffe; Deirdre (Surrey, GB), Ward; Neal (East Sussex, GB)
Assignee: SmithKline Beecham plc (Brentford, GB)
Application Number:09/299,060
Patent Claim Types:
see list of patent claims
Patent Metrics:
Source: PatentQuant.com
Field: Organic fine chemistry
Back Citations: 50th percentile
Forward Citations: 2nd percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Apotex Technologies
paroxetine hydrochloride
CAPSULE;ORAL020885-001Oct 9, 1998DISCNNo6,063,927*PEDOct 23, 2019Y
Apotex Technologies
paroxetine hydrochloride
CAPSULE;ORAL020885-002Oct 9, 1998DISCNNo6,063,927*PEDOct 23, 2019Y
Apotex Technologies
paroxetine hydrochloride
CAPSULE;ORAL020885-003Oct 9, 1998DISCNNo6,063,927*PEDOct 23, 2019Y
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Premature patent expiration for: 6,063,927

Expiration due to failure to pay maintenance fee

Patent Number Expiration Date
6,063,927 May 16, 2012

Foreign Priority and PCT Information for Patent: 6,063,927

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9814316Jul 02, 1998
United Kingdom9821732Oct 06, 1998
United Kingdom9902935Feb 10, 1999

International Patent Family for Patent: 6,063,927

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Ireland990344► subscribe
IrelandS81166► subscribe
Netherlands1012272► 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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