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Last Updated: August 1, 2021

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Details for Patent: 8,956,651


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Which drugs does patent 8,956,651 protect, and when does it expire?

Patent 8,956,651 protects RELISTOR and is included in one NDA.

This patent has fifty-two patent family members in thirty-one countries.

Summary for Patent: 8,956,651
Title:Oral formulations and lipophilic salts of methylnal trexone
Abstract: The present invention provides compositions comprising methylnaltrexone or a salt thereof, and compositions and formulations thereof, for oral administration.
Inventor(s): Shah; Syed M. (Delray Beach, FL), Diorio; Christopher Richard (Campbell Hall, NY), Ehrnsperger; Eric C. (New City, NY), Meng; Xu (San Diego, CA), Al Shareffi; Kadum A. (North Potomac, MD), Cohen; Jonathan Marc (Monroe, NY)
Assignee: Wyeth, LLC (Madison, NJ)
Application Number:13/966,779
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,956,651
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Dosage form; Device;

Drugs Protected by US Patent 8,956,651

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Salix RELISTOR methylnaltrexone bromide TABLET;ORAL 208271-001 Jul 19, 2016 RX Yes Yes ⤷  Try it Free ⤷  Try it Free Y ⤷  Try it Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 8,956,651

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 080491 ⤷  Try it Free
Australia 2011224275 ⤷  Try it Free
Brazil 112012022873 ⤷  Try it Free
Canada 2789798 ⤷  Try it Free
Chile 2012002192 ⤷  Try it Free
China 102918039 ⤷  Try it Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

Colorcon
Johnson and Johnson
Harvard Business School
Dow
Moodys
AstraZeneca

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