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Serving leading biopharmaceutical companies globally:

Cantor Fitzgerald
Covington
Queensland Health
Medtronic
Novartis
Argus Health
Healthtrust
Chubb
Julphar
Daiichi Sankyo

Generated: December 16, 2017

DrugPatentWatch Database Preview

Details for Patent: 6,872,838

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Which drugs does patent 6,872,838 protect, and when does it expire?


Patent 6,872,838 protects LUSEDRA and is included in one NDA.

This patent has thirty-one patent family members in twenty-five countries.

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

Summary for Patent: 6,872,838

Title: Water soluble prodrugs of hindered alcohols
Abstract:The present invention is directed to novel water-soluble prodrugs of aliphatic or aromatic hindered hydroxyl group containing pharmaceuticals.
Inventor(s): Stella; Valentino J. (Lawrence, KS), Zygmunt; Jan J. (Longmont, CO), Georg; Ingrid Gunda (Lawrence, KS), Safadi; Muhammad S. (Nazareth, IL)
Assignee: University of Kansas (Lawrence, KS)
Application Number:10/208,647
Patent Claim Types:
see list of patent claims
Compound;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Eisai IncLUSEDRAfospropofol disodiumSOLUTION;INTRAVENOUS022244-001Dec 12, 2008DISCNNoNo► Subscribe► SubscribeY► Subscribe
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Non-Orange Book Patents for Patent: 6,872,838

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
6,204,257 Water soluble prodrugs of hindered alcohols► Subscribe
7,244,718Water soluble prodrugs of hindered alcohols► Subscribe
6,451,776 Water soluble prodrugs of hindered alcohols► 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: 6,872,838

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
China1357000► Subscribe
China1198834► Subscribe
China1680402► Subscribe
Czech Republic20010479► Subscribe
Czech Republic304020► Subscribe
Germany69930269► Subscribe
European Patent Office1102776► Subscribe
Denmark1102776► Subscribe
European Patent Office1683803► Subscribe
Spain2268876► 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
Citi
Healthtrust
Fuji
Merck
Cantor Fitzgerald
Moodys
Queensland Health
McKesson
Daiichi Sankyo

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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