Last Updated: November 8, 2026

Details for Patent: 11,478,456

Name: Drug Patent Intelligence for US Patent 11478456
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

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Which drugs does patent 11,478,456 protect, and when does it expire?

Patent 11,478,456 protects ZONISADE and is included in one NDA.

This patent has two patent family members in two countries.

Summary for Patent: 11,478,456

Title:	Oral pharmaceutical composition comprising Zonisamide and process of preparation thereof
Abstract:	The present invention relates to the pharmaceutical composition comprising Zonisamide and one or more pharmaceutically acceptable excipients and also relates to the process for the preparation of the pharmaceutical composition comprising Zonisamide.
Inventor(s):	Swati NAGAR, Sandip P. Mehta, Manish Umrethia, Jayanta Kumar Mandal, Sandeep Pal
Assignee:	Azurity Pharmaceuticals Inc
Application Number:	US17/695,410
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 11,478,456
Patent Claim Types: see list of patent claims	Use; Composition; Dosage form;

Drugs Protected by US Patent 11,478,456

Glossary

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
Azurity	ZONISADE	zonisamide	SUSPENSION;ORAL	214273-001	Jul 15, 2022		RX	Yes	Yes	⤷ Start Trial	⤷ Start Trial				A 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 11,478,456

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	3668508	⤷ Start Trial
World Intellectual Property Organization (WIPO)	2019038584	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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