SKELAXIN Drug Patent Profile
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When do Skelaxin patents expire, and when can generic versions of Skelaxin launch?
Skelaxin is a drug marketed by King Pharms and is included in one NDA. There is one patent protecting this drug and one Paragraph IV challenge.
This drug has two patent family members in two countries.
The generic ingredient in SKELAXIN is metaxalone. There are twenty drug master file entries for this compound. Thirty-one suppliers are listed for this compound. Additional details are available on the metaxalone profile page.
DrugPatentWatch® Litigation and Generic Entry Outlook for Skelaxin
A generic version of SKELAXIN was approved as metaxalone by SANDOZ on March 31st, 2010.
Summary for SKELAXIN
International Patents: | 2 |
US Patents: | 1 |
Applicants: | 1 |
NDAs: | 1 |
Finished Product Suppliers / Packagers: | 4 |
Raw Ingredient (Bulk) Api Vendors: | 105 |
Patent Applications: | 3,052 |
Formulation / Manufacturing: | see details |
Drug Prices: | Drug price information for SKELAXIN |
Drug Sales Revenues: | Drug sales revenues for SKELAXIN |
Patent Litigation and PTAB cases: | See patent lawsuits and PTAB cases for SKELAXIN |
What excipients (inactive ingredients) are in SKELAXIN? | SKELAXIN excipients list |
DailyMed Link: | SKELAXIN at DailyMed |



Pharmacology for SKELAXIN
Physiological Effect | Centrally-mediated Muscle Relaxation |
Paragraph IV (Patent) Challenges for SKELAXIN
Tradename | Dosage | Ingredient | Strength | NDA | ANDAs Submitted | Submissiondate |
---|---|---|---|---|---|---|
SKELAXIN | Tablets | metaxalone | 800 mg | 013217 | 1 | 2004-11-04 |
US Patents and Regulatory Information for SKELAXIN
SKELAXIN is protected by one US patents.
Patents protecting SKELAXIN
Metaxalone products, method of manufacture, and method of use
Patent Number: See Plans and Pricing
Patent Expiration: See Plans and Pricing
Patented Use: TREATMENT OF MUSCULOSKELETAL CONDITIONS
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Exclusivity Expiration |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
King Pharms | SKELAXIN | metaxalone | TABLET;ORAL | 013217-001 | Approved Prior to Jan 1, 1982 | DISCN | Yes | No | See Plans and Pricing | See Plans and Pricing | See Plans and Pricing | ||||
King Pharms | SKELAXIN | metaxalone | TABLET;ORAL | 013217-003 | Aug 30, 2002 | AB | RX | Yes | Yes | See Plans and Pricing | See Plans and Pricing | See Plans and Pricing | |||
>Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Exclusivity Expiration |
Expired US Patents for SKELAXIN
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | Patent No. | Patent Expiration |
---|---|---|---|---|---|---|---|
King Pharms | SKELAXIN | metaxalone | TABLET;ORAL | 013217-003 | Aug 30, 2002 | See Plans and Pricing | See Plans and Pricing |
King Pharms | SKELAXIN | metaxalone | TABLET;ORAL | 013217-001 | Approved Prior to Jan 1, 1982 | See Plans and Pricing | See Plans and Pricing |
King Pharms | SKELAXIN | metaxalone | TABLET;ORAL | 013217-003 | Aug 30, 2002 | See Plans and Pricing | See Plans and Pricing |
King Pharms | SKELAXIN | metaxalone | TABLET;ORAL | 013217-001 | Approved Prior to Jan 1, 1982 | See Plans and Pricing | See Plans and Pricing |
>Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >Patent No. | >Patent Expiration |
International Patents for SKELAXIN
See the table below for patents covering SKELAXIN around the world.
Country | Patent Number | Title | Estimated Expiration |
---|---|---|---|
World Intellectual Property Organization (WIPO) | 2007094825 | See Plans and Pricing | |
Canada | 2626027 | PRODUITS A BASE DE METAXALONE, PROCEDE DE PREPARATION ET PROCEDE D'UTILISATION (METAXALONE PRODUCTS, METHOD OF MANUFACTURE, AND METHOD OF USE) | See Plans and Pricing |
>Country | >Patent Number | >Title | >Estimated Expiration |