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Last Updated: March 19, 2024

Details for Patent: 8,252,809


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Which drugs does patent 8,252,809 protect, and when does it expire?

Patent 8,252,809 protects INTERMEZZO and is included in one NDA.

This patent has fourteen patent family members in twelve countries.

Summary for Patent: 8,252,809
Title:Compositions for treating insomnia
Abstract: The present invention provides compositions for treating middle-of-the-night insomnia without residual sedative effects upon awakening by administering low doses (about 5 mg or less) of zolpidem or a salt thereof.
Inventor(s): Singh; Nikhilesh N. (Mill Valley, CA)
Assignee: Transcept Pharmaceuticals, Inc. (Pt. Richmond, CA)
Application Number:12/795,934
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,252,809
Patent Claim Types:
see list of patent claims
Use; Composition; Delivery; Dosage form;

Drugs Protected by US Patent 8,252,809

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Purdue Pharma INTERMEZZO zolpidem tartrate TABLET;SUBLINGUAL 022328-001 Nov 23, 2011 DISCN Yes No ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a Trial
Purdue Pharma INTERMEZZO zolpidem tartrate TABLET;SUBLINGUAL 022328-002 Nov 23, 2011 DISCN Yes No ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a 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

International Family Members for US Patent 8,252,809

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2006249761 ⤷  Try a Trial
Brazil PI0609984 ⤷  Try a Trial
Canada 2609330 ⤷  Try a Trial
China 101198327 ⤷  Try a Trial
European Patent Office 1883408 ⤷  Try a Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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