Last Updated: September 25, 2026

Primus Pharms Company Profile

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What is the competitive landscape for PRIMUS PHARMS

PRIMUS PHARMS has three approved drugs.

There are fourteen US patents protecting PRIMUS PHARMS drugs.

Summary for Primus Pharms

US Patents:	14
Tradenames:	3
Ingredients:	3
NDAs:	3

Drugs and US Patents for Primus Pharms

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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
Primus Pharms	IMPOYZ	clobetasol propionate	CREAM;TOPICAL	209483-001	Nov 28, 2017		RX	Yes	Yes	10,588,914	⤷ Start Trial	Y			⤷ Start Trial
Primus Pharms	IMPOYZ	clobetasol propionate	CREAM;TOPICAL	209483-001	Nov 28, 2017		RX	Yes	Yes	9,855,334	⤷ Start Trial	Y			⤷ Start Trial
Primus Pharms	SERNIVO	betamethasone dipropionate	SPRAY;TOPICAL	208079-001	Feb 5, 2016		RX	Yes	Yes	9,775,851	⤷ Start Trial	Y			⤷ Start Trial
Primus Pharms	METAXALONE	metaxalone	TABLET;ORAL	022503-001	Jun 1, 2015		RX	Yes	Yes	11,918,559	⤷ Start Trial	Y			⤷ Start Trial
Primus Pharms	SERNIVO	betamethasone dipropionate	SPRAY;TOPICAL	208079-001	Feb 5, 2016		RX	Yes	Yes	9,655,907	⤷ Start Trial	Y			⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Exclusivity Expiration

Paragraph IV (Patent) Challenges for PRIMUS PHARMS drugs

Drugname	Dosage	Strength	Tradename	Submissiondate
➤ Subscribe	Topical Spray	0.05%	➤ Subscribe	2018-02-15

International Patents for Primus Pharms Drugs

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Country	Patent Number	Estimated Expiration
Japan	7791573	⤷ Start Trial
Brazil	112021026371	⤷ Start Trial
Russian Federation	2690659	⤷ Start Trial
Australia	2020307390	⤷ Start Trial
World Intellectual Property Organization (WIPO)	2011026076	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration

Similar Applicant Names

Applicants may be listed under multiple names.
Here is a list of applicants with similar names.

Primus Pharms

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.