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Generated: September 24, 2017
What are the generic sources for dantrolene sodium and what is the scope of dantrolene sodium patent protection?
Dantrolene sodium is the generic ingredient in four branded drugs marketed by Mylan Institutional, Par Sterile Products, Impax Labs, Hikma Pharms, Us Worldmeds, Eagle Pharms, and Elite Labs Inc, and is included in eight NDAs. There are four patents protecting this compound. Additional information is available in the individual branded drug profile pages.| Tradenames: | 4 |
| Patents: | 4 |
| Applicants: | 7 |
| NDAs: | 8 |
| Drug Master File Entries: see list | 5 |
| Suppliers / Packagers: see list | 9 |
| Bulk Api Vendors: see list | 62 |
| Clinical Trials: see list | 2,391 |
| Patent Applications: see list | 3,126 |
| Therapeutic Class: | Antispasticity Agents |
| Formulation / Manufacturing: | see details |
| Drug Prices: | see low prices |
| DailyMed Link: | dantrolene sodium at DailyMed |
| Drug Class | Skeletal Muscle Relaxant |
| Physiological Effect | Decreased Striated Muscle Contraction Decreased Striated Muscle Tone |
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| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | Patent No. | Patent Expiration | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Par Sterile Products | DANTRIUM | dantrolene sodium | CAPSULE;ORAL | 017443-001 | Approved Prior to Jan 1, 1982 | ► Subscribe | ► Subscribe | ||||||||
Par Sterile Products | DANTRIUM | dantrolene sodium | INJECTABLE;INJECTION | 018264-001 | Approved Prior to Jan 1, 1982 | ► Subscribe | ► Subscribe | ||||||||
Par Sterile Products | DANTRIUM | dantrolene sodium | CAPSULE;ORAL | 017443-002 | Approved Prior to Jan 1, 1982 | ► Subscribe | ► Subscribe | ||||||||
Par Sterile Products | DANTRIUM | dantrolene sodium | CAPSULE;ORAL | 017443-003 | Approved Prior to Jan 1, 1982 | ► Subscribe | ► Subscribe | ||||||||
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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 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9,271,964 | Treatment using dantrolene | ► Subscribe | |||||||||||||
| 9,603,840 | Treatment using dantrolene | ► 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 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Japan | 4880449 | ► Subscribe | |||||||||||||
| World Intellectual Property Organization (WIPO) | 2005013919 | ► Subscribe | |||||||||||||
| Canada | 2516667 | ► Subscribe | |||||||||||||
| World Intellectual Property Organization (WIPO) | 03000057 | ► Subscribe | |||||||||||||
| European Patent Office | 1435781 | ► Subscribe | |||||||||||||
| Australia | 2004262507 | ► Subscribe | |||||||||||||
| Japan | 2007525439 | ► Subscribe | |||||||||||||
| European Patent Office | 1603513 | ► 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 500+ 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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