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Last Updated: September 25, 2021

DrugPatentWatch Database Preview

Details for Patent: 8,252,839


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Which drugs does patent 8,252,839 protect, and when does it expire?

Patent 8,252,839 protects ORENITRAM and is included in one NDA.

This patent has nineteen patent family members in seven countries.

Summary for Patent: 8,252,839
Title:Compounds and methods for delivery of prostacyclin analogs
Abstract: This invention pertains generally to prostacyclin analogs and methods for their use in promoting vasodilation, inhibiting platelet aggregation and thrombus formation, stimulating thrombolysis, inhibiting cell proliferation (including vascular remodeling), providing cytoprotection, preventing atherogenesis and inducing angiogenesis. Generally, the compounds and methods of the present invention increase the oral bioavailability and circulating concentrations of treprostinil when administered orally. Compounds of the present invention have the following formula. ##STR00001##
Inventor(s): Phares; Ken (Chapel Hill, NC), Mottola; David (Cary, NC)
Assignee: United Therapeutics Corporation (Silver Spring, MD)
Application Number:12/078,955
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,252,839
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Dosage form;

Drugs Protected by US Patent 8,252,839

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
United Therap ORENITRAM treprostinil diolamine TABLET, EXTENDED RELEASE;ORAL 203496-001 Dec 20, 2013 RX Yes No ⤷  Try it Free ⤷  Try it Free Y ⤷  Try it Free
United Therap ORENITRAM treprostinil diolamine TABLET, EXTENDED RELEASE;ORAL 203496-002 Dec 20, 2013 RX Yes No ⤷  Try it Free ⤷  Try it Free Y ⤷  Try it Free
United Therap ORENITRAM treprostinil diolamine TABLET, EXTENDED RELEASE;ORAL 203496-003 Dec 20, 2013 RX Yes Yes ⤷  Try it Free ⤷  Try it Free Y ⤷  Try it Free
United Therap ORENITRAM treprostinil diolamine TABLET, EXTENDED RELEASE;ORAL 203496-004 Dec 20, 2013 RX Yes No ⤷  Try it Free ⤷  Try it Free Y ⤷  Try it Free
United Therap ORENITRAM treprostinil diolamine TABLET, EXTENDED RELEASE;ORAL 203496-005 Oct 7, 2016 RX Yes No ⤷  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 8,252,839

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada 2526534 ⤷  Try it Free
Canada 2736406 ⤷  Try it Free
Canada 2851309 ⤷  Try it Free
Canada 2959852 ⤷  Try it Free
China 100558351 ⤷  Try it Free
China 101265226 ⤷  Try it Free
China 101780092 ⤷  Try it Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

Baxter
McKinsey
Johnson and Johnson
Merck
Medtronic
Colorcon

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