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ZAVZPRET Drug Patent Profile

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When do Zavzpret patents expire, and when can generic versions of Zavzpret launch?

Zavzpret is a drug marketed by Pfizer and is included in one NDA. There are two patents protecting this drug.

This drug has seventy-one patent family members in thirty-five countries.

The generic ingredient in ZAVZPRET is zavegepant hydrochloride. Two suppliers are listed for this compound. Additional details are available on the zavegepant hydrochloride profile page.

DrugPatentWatch^® Generic Entry Outlook for Zavzpret

Zavzpret will be eligible for patent challenges on March 9, 2027. This date may extended up to six months if a pediatric exclusivity extension is applied to the drug's patents.

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be March 9, 2028. This may change due to patent challenges or generic licensing.

Indicators of Generic Entry

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Summary for ZAVZPRET

International Patents:	71
US Patents:	2
Applicants:	1
NDAs:	1
Finished Product Suppliers / Packagers:	2
Raw Ingredient (Bulk) Api Vendors:	21
Drug Prices:	Drug price information for ZAVZPRET
What excipients (inactive ingredients) are in ZAVZPRET?	ZAVZPRET excipients list
DailyMed Link:	ZAVZPRET at DailyMed

Drug patent expirations by year for ZAVZPRET

DrugPatentWatch^® Estimated Loss of Exclusivity (LOE) Date for ZAVZPRET

Generic Entry Date for ZAVZPRET^: ⤷ Try a Trial* Constraining patent/regulatory exclusivity: NEW CHEMICAL ENTITY NDA: 216386 Dosage: SPRAY, METERED;NASAL

^*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

Pharmacology for ZAVZPRET

Drug Class	Calcitonin Gene-related Peptide Receptor Antagonist
Mechanism of Action	Calcitonin Gene-related Peptide Receptor Antagonists

US Patents and Regulatory Information for ZAVZPRET

ZAVZPRET is protected by two US patents and one FDA Regulatory Exclusivity.

Based on analysis by DrugPatentWatch, the earliest date for a generic version of ZAVZPRET is ⤷ Try a Trial.

This potential generic entry date is based on NEW CHEMICAL ENTITY.
Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

Patents protecting ZAVZPRET

Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial

Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: ADMINISTRATION OF ZAVEGEPANT FOR ACUTE TREATMENT OF MIGRAINE WITH OR WITHOUT AURA

FDA Regulatory Exclusivity protecting ZAVZPRET

NEW CHEMICAL ENTITY
Exclusivity Expiration: ⤷ Try a Trial

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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.	Exclusivity Expiration
Pfizer	ZAVZPRET	zavegepant hydrochloride	SPRAY, METERED;NASAL	216386-001	Mar 9, 2023		RX	Yes	Yes	⤷ Try a Trial	⤷ Try a Trial	Y	Y		⤷ Try a Trial
Pfizer	ZAVZPRET	zavegepant hydrochloride	SPRAY, METERED;NASAL	216386-001	Mar 9, 2023		RX	Yes	Yes	⤷ Try a Trial	⤷ Try a Trial	Y	Y		⤷ Try a Trial
Pfizer	ZAVZPRET	zavegepant hydrochloride	SPRAY, METERED;NASAL	216386-001	Mar 9, 2023		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

Expired US Patents for ZAVZPRET

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Pfizer	ZAVZPRET	zavegepant hydrochloride	SPRAY, METERED;NASAL	216386-001	Mar 9, 2023	⤷ Try a Trial	⤷ Try a Trial
Pfizer	ZAVZPRET	zavegepant hydrochloride	SPRAY, METERED;NASAL	216386-001	Mar 9, 2023	⤷ Try a Trial	⤷ Try a Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent Expiration

International Patents for ZAVZPRET

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

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Country	Patent Number	Title	Estimated Expiration
Serbia	54608	ANTAGONOST CGRP RECEPTORA (CGRP RECEPTOR ANTAGONIST)	⤷ Try a Trial
South Korea	20180049168	CGRP 수용체 길항제 (CGRP CGRP RECEPTOR ANTAGONIST)	⤷ Try a Trial
Japan	4490809		⤷ Try a Trial
Japan	2005538959		⤷ Try a Trial
>Country	>Patent Number	>Title	>Estimated Expiration