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Generated: May 23, 2017

DrugPatentWatch Database Preview

Details for Patent: 8,668,929

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Which drugs does patent 8,668,929 protect, and when does it expire?


Patent 8,668,929 protects XARTEMIS XR and is included in one NDA. There has been one Paragraph IV challenge on Xartemis XR.

This patent has nine patent family members in eight countries.

Summary for Patent: 8,668,929

Title:Gastric retentive extended-release dosage forms comprising combinations of a non-opioid analgesic and an opioid analgesic
Abstract: Compositions and methods for the treatment of pain in a mammal are described. More specifically, a dosage form designed for release of acetaminophen and an opioid is described, wherein the dosage form provides delivery of the drugs to the upper gastrointestinal tract ("GI") of a mammal for an extended period of time.
Inventor(s): Han; Chien-Hsuan (Sunnyvale, CA), Hou; Sui Yuen Eddie (Foster City, CA), Reid; Monica L. (San Mateo, CA)
Assignee: Depomed, Inc. (Newark, CA)
Application Number:13/529,960
Patent Claim Types:
see list of patent claims		Use; Dosage form;

Glossary
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
XARTEMIS XR
acetaminophen; oxycodone hydrochloride
TABLET, EXTENDED RELEASE;ORAL204031-001Mar 11, 2014RXYesYes8,668,929► Subscribe MANAGEMENT OF ACUTE PAIN IN PATIENTS REQUIRING OPIOID ANALGESIA
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Non-Orange Book Patents for Patent: 8,668,929

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
8,394,408Gastric retentive extended-release dosage forms comprising combinations of a non-opioid analgesic and an opioid analgesic► Subscribe
8,372,432Gastric retentive extended-release dosage forms comprising combinations of a non-opioid analgesic and an opioid analgesic► Subscribe
8,377,453Gastric retentive extended-release dosage forms comprising combinations of a non-opioid analgesic and an opioid analgesic► 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: 8,668,929

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia2009223061► Subscribe
Canada2720108► Subscribe
China102105136► Subscribe
European Patent Office2262484► Subscribe
Hong Kong1152469► 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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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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