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Serving leading biopharmaceutical companies globally:

Citi
McKesson
Daiichi Sankyo
AstraZeneca
Fish and Richardson
Chubb
Covington
Farmers Insurance
Johnson and Johnson
Moodys

Generated: October 20, 2017

DrugPatentWatch Database Preview

Details for Patent: 7,431,942

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Which drugs does patent 7,431,942 protect, and when does it expire?


Patent 7,431,942 protects PREVACID and DEXILANT SOLUTAB and is included in two NDAs. There have been two Paragraph IV challenges on Prevacid.

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

This patent has twenty-three patent family members in fifteen countries.

Summary for Patent: 7,431,942

Title:Orally disintegrable tablets
Abstract:An orally disintegrable tablet of the present invention, which comprises (i) fine granules having an average particle diameter of 400 .mu.m or less, which fine granules comprise a composition coated by an enteric coating layer, said composition having 10 weight % or more of an acid-labile physiologically active substance and (ii) an additive, has superior disintegrability or dissolution in the oral cavity so that it can be used for treatment or prevention of various diseases, as an orally disintegrable tablet capable of being administered to the aged or children and easily administered without water. Also, because the tablet of the present invention contains fine granules having the average particle diameter such that it will not impart roughness in mouth, it can be administered easily without discomfort at the administration.
Inventor(s): Shimizu; Toshihiro (Itami, JP), Morimoto; Shuji (Suita, JP), Tabata; Tetsuro (Suita, JP)
Assignee: Takeda Pharmaceutical Company Limited (Osaka, JP)
Application Number:10/017,755
Patent Claim Types:
see list of patent claims
Composition; Formulation; Dosage form; Compound;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Takeda Pharms Usa
PREVACID
lansoprazole
TABLET, DELAYED RELEASE, ORALLY DISINTEGRATING;ORAL021428-001Aug 30, 2002ABRXYesNo► Subscribe► SubscribeY
Takeda Pharms Usa
PREVACID
lansoprazole
TABLET, DELAYED RELEASE, ORALLY DISINTEGRATING;ORAL021428-002Aug 30, 2002ABRXYesYes► Subscribe► SubscribeY
Takeda Pharms Usa
DEXILANT SOLUTAB
dexlansoprazole
TABLET, ORALLY DISINTEGRATING, DELAYED RELEASE;ORAL208056-001Jan 26, 2016DISCNYesNo► Subscribe► SubscribeY
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Foreign Priority and PCT Information for Patent: 7,431,942

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan10-135472May 18, 1998
Japan10-219266Aug 03, 1998
Japan10-222151Aug 05, 1998
Japan11-005144Jan 12, 1999
Japan11-015851Jan 25, 1999

Non-Orange Book Patents for Patent: 7,431,942

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
6,328,994 Orally disintegrable tablets► Subscribe
7,875,292Orally disintegrable tablets► 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: 7,431,942

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
TaiwanI243062► Subscribe
Portugal1736144► Subscribe
Portugal1121103► Subscribe
South Korea101032289► Subscribe
South Korea20050010070► Subscribe
Japan4454791► Subscribe
Japan2000302681► Subscribe
Japan3746167► Subscribe
Japan2000281564► Subscribe
Hong Kong1096021► 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 leading biopharmaceutical companies globally:

Deloitte
Teva
Fuji
Covington
Citi
AstraZeneca
QuintilesIMS
Farmers Insurance
Chinese Patent Office
Dow

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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