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Serving leading biopharmaceutical companies globally:

Cerilliant
QuintilesIMS
Julphar
Fish and Richardson
Cipla
Cantor Fitzgerald
Fuji
Colorcon
Federal Trade Commission
UBS

Generated: November 24, 2017

DrugPatentWatch Database Preview

Details for Patent: 8,921,337

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Which drugs does patent 8,921,337 protect, and when does it expire?


Patent 8,921,337 protects ILEVRO and is included in one NDA. There has been one Paragraph IV challenge on Ilevro.

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

Summary for Patent: 8,921,337

Title:Carboxyvinyl polymer-containing nanoparticle suspensions
Abstract: The present invention generally relates to suspension compositions having a carboxyvinyl polymer such as a carbomer, a galactomannan such as guar, and a borate compound. A sparingly soluble particulate compound such as nepafenac is also included in the compositions. The sparingly soluble particulate compound has a small particle size to enhance bioavailability of the compound.
Inventor(s): Chowhan; Masood A. (Arlington, TX), Ghosh; Malay (Fort Worth, TX), Asgharian; Bahram (Arlington, TX), Han; Wesley Wehsin (Arlington, TX)
Assignee: Alcon Research, Ltd. (Fort Worth, TX)
Application Number:12/957,864
Patent Claim Types:
see list of patent claims
Composition;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Novartis Pharms Corp
ILEVRO
nepafenac
SUSPENSION/DROPS;OPHTHALMIC203491-001Oct 16, 2012RXYesYes► Subscribe► SubscribeY
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Non-Orange Book Patents for Patent: 8,921,337

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
9,662,398► 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: 8,921,337

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Taiwan201129395► Subscribe
Slovenia2586426► Subscribe
Slovenia2506831► Subscribe
Russian Federation2571078► Subscribe
Russian Federation2012127675► Subscribe
Serbia53085► Subscribe
Portugal2586426► Subscribe
Portugal2506831► Subscribe
Mexico2012006231► Subscribe
South Korea20150063587► 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:

Cantor Fitzgerald
Dow
Colorcon
Mallinckrodt
US Army
Boehringer Ingelheim
Cipla
QuintilesIMS
Daiichi Sankyo
Chubb

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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