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Last Updated: July 30, 2021

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Details for Patent: 8,664,231


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Which drugs does patent 8,664,231 protect, and when does it expire?

Patent 8,664,231 protects RASUVO and is included in one NDA.

This patent has twenty-nine patent family members in twenty-one countries.

Summary for Patent: 8,664,231
Title:Concentrated methotrexate solutions
Abstract: Concentrated methotrexate solutions are described which are suitable for the use of an active substance in the production of a parenterally administered medicament for the treatment of inflammatory autoimmune diseases. The methotrexate is added to a pharmaceutically acceptable solvent at a concentration of more than 30 mg/ml. The invention also relates to a ready-made syringe and a carpule containing such a pharmaceutical solution formulation, as well as a pen injector comprising such a carpule and/or a ready-made syringe.
Inventor(s): Will; Heiner (Hamburg, DE)
Assignee: Medac Gesellschaft fuer Klinische Spezialpraepararate mbH (Wedel, DE)
Application Number:12/374,528
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,664,231
Patent Claim Types:
see list of patent claims
Use; Formulation; Device; Dosage form;

Drugs Protected by US Patent 8,664,231

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Medexus RASUVO methotrexate SOLUTION;SUBCUTANEOUS 205776-001 Jul 10, 2014 RX Yes Yes ⤷  Free Forever Trial ⤷  Free Forever Trial SUBCUTANEOUS INJECTION OF METHOTREXATE ⤷  Free Forever Trial
Medexus RASUVO methotrexate SOLUTION;SUBCUTANEOUS 205776-002 Jul 10, 2014 RX Yes Yes ⤷  Free Forever Trial ⤷  Free Forever Trial SUBCUTANEOUS INJECTION OF METHOTREXATE ⤷  Free Forever Trial
Medexus RASUVO methotrexate SOLUTION;SUBCUTANEOUS 205776-003 Jul 10, 2014 RX Yes Yes ⤷  Free Forever Trial ⤷  Free Forever Trial SUBCUTANEOUS INJECTION OF METHOTREXATE ⤷  Free Forever Trial
Medexus RASUVO methotrexate SOLUTION;SUBCUTANEOUS 205776-004 Jul 10, 2014 RX Yes Yes ⤷  Free Forever Trial ⤷  Free Forever Trial SUBCUTANEOUS INJECTION OF METHOTREXATE ⤷  Free Forever Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 8,664,231

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany10 2006 033 837Jul 21, 2006
PCT Information
PCT FiledJuly 20, 2007PCT Application Number:PCT/EP2007/006491
PCT Publication Date:January 24, 2008PCT Publication Number: WO2008/009476

International Family Members for US Patent 8,664,231

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 14872 ⤷  Free Forever Trial
Austria 491455 ⤷  Free Forever Trial
Australia 2007276387 ⤷  Free Forever Trial
Brazil PI0715433 ⤷  Free Forever Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

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