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Last Updated: April 26, 2024

ZONALON Drug Patent Profile


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

Zonalon is a drug marketed by Mylan and is included in one NDA.

The generic ingredient in ZONALON is doxepin hydrochloride. There are seven drug master file entries for this compound. Forty-nine suppliers are listed for this compound. Additional details are available on the doxepin hydrochloride profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Zonalon

A generic version of ZONALON was approved as doxepin hydrochloride by MYLAN PHARMS INC on May 13th, 1986.

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US Patents and Regulatory Information for ZONALON

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Mylan ZONALON doxepin hydrochloride CREAM;TOPICAL 020126-001 Apr 1, 1994 AB RX Yes Yes ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

International Patents for ZONALON

See the table below for patents covering ZONALON around the world.

Country Patent Number Title Estimated Expiration
Canada 1177406 COMPOSE POUR LE TRAITEMENT DU PRURIT (COMPOSITION FOR TREATING PRURITIS) ⤷  Try a Trial
>Country >Patent Number >Title >Estimated Expiration

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