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Generated: October 19, 2017
Which drugs does patent 7,829,121 protect, and when does it expire?
| Title: | Modified release dosage forms of skeletal muscle relaxants |
| Abstract: | A unit dosage form, such as a capsule or the like, for delivering a skeletal muscle relaxant, such as cyclobenzaprine hydrochloride, into the body in an extended or sustained release fashion comprising one or more populations of drug-containing particles (beads, pellets, granules, etc.) is disclosed. At least one bead population exhibits a pre-designed sustained release profile. Such a drug delivery system is designed for once-daily oral administration to maintain an adequate plasma concentration--time profile, thereby providing relief of muscle spasm associated with painful musculoskeletal conditions over a 24 hour period. |
| Inventor(s): | Venkatesh; Gopi (Vandalia, OH), Clevenger; James M. (Vandalia, OH) |
| Assignee: | Eurand Inc. (Vandalia, OH) |
| Application Number: | 12/236,719 |
|
Patent Claim Types: see list of patent claims | Use; Formulation; Dosage form; |
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Patented / Exclusive Use |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Teva Pharms Intl | AMRIX | cyclobenzaprine hydrochloride | CAPSULE, EXTENDED RELEASE;ORAL | 021777-001 | Feb 1, 2007 | RX | Yes | No | ► Subscribe | ► Subscribe | RELIEF OF MUSCLE SPASM | ||||
Teva Pharms Intl | AMRIX | cyclobenzaprine hydrochloride | CAPSULE, EXTENDED RELEASE;ORAL | 021777-002 | Feb 1, 2007 | RX | Yes | Yes | ► Subscribe | ► Subscribe | RELIEF OF MUSCLE SPASM | ||||
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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 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8,877,245 | Modified release dosage forms of skeletal muscle relaxants | ► Subscribe | |||||||||||||
| 7,387,793 | Modified release dosage forms of skeletal muscle relaxants | ► Subscribe | |||||||||||||
| 7,790,199 | Modified release dosage forms of skeletal muscle relaxants | ► Subscribe | |||||||||||||
| 7,820,203 | Modified release dosage forms of skeletal muscle relaxants | ► Subscribe | |||||||||||||
| 9,375,410 | Modified release dosage forms of skeletal muscle relaxants | ► Subscribe | |||||||||||||
| 7,544,372 | Modified release dosage forms of skeletal muscle relaxants | ► Subscribe | |||||||||||||
| 9,399,025 | Modified release dosage forms of skeletal muscle relaxants | ► 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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| Country | Document Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| World Intellectual Property Organization (WIPO) | 2005048996 | ► 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.
Export unavailable in trial.
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Serving leading biopharmaceutical companies globally:
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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