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Serving 500+ biopharmaceutical companies globally:

Cipla
Colorcon
Fuji
Mallinckrodt
Julphar
UBS
Cantor Fitzgerald
Daiichi Sankyo
US Department of Justice
AstraZeneca

Generated: August 23, 2017

DrugPatentWatch Database Preview

Details for Patent: ► Subscribe

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Which drugs does patent RE41065 protect, and when does it expire?


Patent ► Subscribe protects TARCEVA and is included in one NDA. There has been one Paragraph IV challenge on Tarceva.

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

This patent has sixty-seven patent family members in forty-one countries.

Summary for Patent: ► Subscribe

Title:Alkynl and azido-substituted 4-anilinoquinazolines
Abstract:The invention relates to compounds of the formula ##STR00001## and to pharmaceutically acceptable salts thereof, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, n and m are as defined herein. The compounds of formula I are useful in the treatment of hyperproliferative diseases, such as cancer. The invention further relates to processes of making the compounds of formula I and to methods of using such compounds in the treatment of hyperproliferative diseases.
Inventor(s): Schnur; Rodney Caughren (Noank, CT), Arnold; Lee Daniel (Mt. Sinai, NY)
Assignee: Pfizer, Inc. (New York, NY) OSI Pharmaceuticals, Inc. (Melville, NY)
Application Number:12/038,530
Patent Claim Types:
see list of patent claims
Compound; Use; Composition; Process;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Osi Pharms
TARCEVA
erlotinib hydrochloride
TABLET;ORAL021743-001Nov 18, 2004RXYesNo► Subscribe► Subscribe
Osi Pharms
TARCEVA
erlotinib hydrochloride
TABLET;ORAL021743-002Nov 18, 2004RXYesNo► Subscribe► Subscribe
Osi Pharms
TARCEVA
erlotinib hydrochloride
TABLET;ORAL021743-003Nov 18, 2004RXYesYes► Subscribe► Subscribe
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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
5,747,498 Alkynyl and azido-substituted 4-anilinoquinazolines► 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
African Intellectual Property Organization (OAPI)10277► Subscribe
New Zealand286263► Subscribe
Norway2006004► Subscribe
Norway961299► Subscribe
Norway308740► Subscribe
Netherlands300214► Subscribe
Malaysia117896► Subscribe
Luxembourg91209► Subscribe
Morocco23831► Subscribe
Mexico9707453► 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:

Johnson and Johnson
AstraZeneca
Mallinckrodt
Dow
Baxter
Express Scripts
Federal Trade Commission
Fuji
Covington
Boehringer Ingelheim

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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