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Serving leading biopharmaceutical companies globally:

Cantor Fitzgerald
Boehringer Ingelheim
Daiichi Sankyo
US Department of Justice

Generated: November 17, 2017

DrugPatentWatch Database Preview

Details for Patent: 7,976,870

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Which drugs does patent 7,976,870 protect, and when does it expire?

Patent 7,976,870 protects XARTEMIS XR and is included in one NDA. There has been one Paragraph IV challenge on Xartemis XR.

This patent has six patent family members in six countries.

Summary for Patent: 7,976,870

Title:Gastric retentive oral dosage form with restricted drug release in the lower gastrointestinal tract
Abstract: Controlled release oral dosage forms are provided for the continuous, sustained administration of a pharmacologically active agent to the upper gastrointestinal tract of a patient in whom the fed mode as been induced. The majority of the agent is delivered, on an extended release basis, to the stomach, duodenum and upper regions of the small intestine, with drug delivery in the lower gastrointestinal tract and colon substantially restricted. The dosage form comprises a matrix of a biocompatible, hydrophilic, erodible polymer with an active agent incorporated therein, wherein the polymer is one that both swells in the presence of water and gradually erodes over a time period of hours, with swelling and erosion commencing upon contact with gastric fluid, and drug release rate primarily controlled by erosion rate.
Inventor(s): Berner; Bret (Half Moon Bay, CA), Louie-Helm; Jenny (Fremont, CA), Shell; John W. (Hillsborough, CA)
Assignee: Depomed, Inc. (Menlo Park, CA)
Application Number:10/769,574
Patent Claim Types:
see list of patent claims
Use; Dosage form; Delivery; Formulation;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Mallinckrodt Inc
acetaminophen; oxycodone hydrochloride
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International Patent Family for Patent: 7,976,870

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
MexicoPA04003930► Subscribe
TaiwanI324075► Subscribe
European Patent Office1439826► Subscribe
Japan2005507000► Subscribe
Canada2409552► Subscribe
World Intellectual Property Organization (WIPO)03035041► 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:

Johnson and Johnson
Queensland Health
Harvard Business School
US Department of Justice

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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