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Last Updated: January 21, 2022

DrugPatentWatch Database Preview

Details for Patent: 7,247,318


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Summary for Patent: 7,247,318
Title:Controlled release formulations having rapid onset and rapid decline of effective plasma drug concentrations
Abstract: The invention is directed to oral modified/controlled release drug formulations which provide a rapid initial onset of effect and a prolonged duration of effect. Preferably, the peak concentration is lower than that provided by the reference standard for immediate release formulations of the drug, and the duration of effect falls rapidly at the end of the dosing interval.
Inventor(s): Krishnamurthy; Thinnayam N. (Ontario, CA), Darke; Andrew (Ontario, CA)
Assignee: Purdue Pharma (Pickering, Ontario, CA)
Application Number:10/156,622
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 7,247,318
Patent Claim Types:
see list of patent claims
Formulation; Compound; Dosage form;

Drugs Protected by US Patent 7,247,318

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>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 7,247,318

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 268595 ⤷  Try it Free
Australia 2122700 ⤷  Try it Free
Canada 2355854 ⤷  Try it Free
Germany 69917937 ⤷  Try it Free
Denmark 1143937 ⤷  Try it Free
European Patent Office 1143937 ⤷  Try it Free
Spain 2224740 ⤷  Try it Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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