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Serving 500+ biopharmaceutical companies globally:

Covington
Novartis
Deloitte
Boehringer Ingelheim
US Army
Farmers Insurance
Johnson and Johnson
Baxter
Daiichi Sankyo
Cerilliant

Generated: August 23, 2017

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Which drugs does patent 7,301,023 protect, and when does it expire?


Patent ► Subscribe protects XELJANZ and XELJANZ XR and is included in two NDAs. There have been zero Paragraph IV challenges on Xeljanz  and Xeljanz XR

This patent has seventy-three patent family members in forty-seven countries.

Summary for Patent: ► Subscribe

Title:Chiral salt resolution
Abstract: A method for resolving enantiomers of a compound containing the structure of the forula: ##STR00001## wherein R.sup.4 or R.sup.5 may contan one or more asymmetric centers, by mixing a racemic mixture of enantiomers of a compound, containing the structure of said formula; in a solvent, with a resolving compound having a defined sterospecificity, to form a solution and with said resolving agent being capable of binding with at least one but not all of said enantiomers to form a precipitate, containing said at least one of said enantiomers in sterospecific form and collecting either the precipitate and purifying it or collecting the solution with contained other of said enantiomers and recrystallizing the enantiomer contained in said solution.
Inventor(s): Flanagan; Mark E. (Gales Ferry, CT), Munchhof; Michael J. (Salem, CT)
Assignee: Pfizer Inc. (New York, NY)
Application Number:10/154,699
Patent Claim Types:
see list of patent claims
Use; Formulation;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Pf Prism Cv
XELJANZ
tofacitinib citrate
TABLET;ORAL203214-001Nov 6, 2012RXYesYes► Subscribe► SubscribeY
Pfizer Inc
XELJANZ XR
tofacitinib citrate
TABLET, EXTENDED RELEASE;ORAL208246-001Feb 23, 2016RXYesYes► Subscribe► SubscribeY
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Non-Orange Book Patents for Patent: ► Subscribe

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
7,432,370Chiral salt resolution► 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: ► Subscribe

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Yugoslavia92303► Subscribe
Portugal1666481► Subscribe
Poland409305► Subscribe
Poland367945► Subscribe
Peru05612003► Subscribe
Panama8546301► Subscribe
African Intellectual Property Organization (OAPI)12612► Subscribe
New Zealand540332► Subscribe
New Zealand530380► Subscribe
Norway20093135► 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 500+ biopharmaceutical companies globally:

McKesson
Medtronic
UBS
Chinese Patent Office
Daiichi Sankyo
Citi
Fuji
Healthtrust
Chubb
Accenture

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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