Last Updated: October 19, 2026

PROSOM Drug Patent Profile


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Which patents cover Prosom, and when can generic versions of Prosom launch?

Prosom is a drug marketed by Abbott and is included in one NDA.

The generic ingredient in PROSOM is estazolam. There is one drug master file entry for this compound. Three suppliers are listed for this compound. Additional details are available on the estazolam profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Prosom

A generic version of PROSOM was approved as estazolam by NOVITIUM PHARMA on July 3rd, 1997.

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Summary for PROSOM
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 35
Patent Applications: 5,161
DailyMed Link:PROSOM at DailyMed

US Patents and Regulatory Information for PROSOM

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Abbott PROSOM estazolam TABLET;ORAL 019080-001 Dec 26, 1990 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Abbott PROSOM estazolam TABLET;ORAL 019080-002 Dec 26, 1990 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

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