Last Updated: June 27, 2026

Details for Patent: 12,290,597


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Which drugs does patent 12,290,597 protect, and when does it expire?

Patent 12,290,597 protects SYMPAZAN and is included in one NDA.

This patent has nine patent family members in six countries.

Summary for Patent: 12,290,597
Title:Oral film compositions and dosage forms having precise active dissolution profiles
Abstract:An oral film in an individual unit dose for delivery of one or more actives is disclosed herein, the film having a precisely calculated and controlled active dissolution profile. A wide variety of actives may be used, including, for example, clobazam, diazepam, or riluzole. Also disclosed are methods of treating a variety of diseases and conditions, for example, epilepsy and seizures, by administering the oral film disclosed herein.
Inventor(s):Alexander Mark Schobel, Stephen Wargacki, Vincent J. Buono, Susan Shumard, Christopher James Santee
Assignee: Aquestive Therapeutics Inc
Application Number:US18/091,556
Patent Claim Types:
see list of patent claims
Use; Delivery;

Drugs Protected by US Patent 12,290,597

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Assertio Speclty SYMPAZAN clobazam FILM;ORAL 210833-001 Nov 1, 2018 RX Yes No ⤷  Start Trial ⤷  Start Trial Y METHOD OF TREATING SEIZURES ⤷  Start Trial
Assertio Speclty SYMPAZAN clobazam FILM;ORAL 210833-002 Nov 1, 2018 RX Yes No ⤷  Start Trial ⤷  Start Trial Y METHOD OF TREATING SEIZURES ⤷  Start 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 12,290,597

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Brazil 112021004053 ⤷  Start Trial
Canada 3110997 ⤷  Start Trial
China 112955124 ⤷  Start Trial
China 120789028 ⤷  Start Trial
European Patent Office 3846778 ⤷  Start Trial
Japan 2021536466 ⤷  Start Trial
Japan 2025093925 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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