Last Updated: November 8, 2026

RYZUMVI Drug Patent Profile

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

Ryzumvi is a drug marketed by Famygen Life Sci and is included in one NDA. There are thirteen patents protecting this drug and one Paragraph IV challenge.

The generic ingredient in RYZUMVI is phentolamine mesylate. There is one drug master file entry for this compound. Four suppliers are listed for this compound. Additional details are available on the phentolamine mesylate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Ryzumvi

A generic version of RYZUMVI was approved as phentolamine mesylate by HIKMA on March 11th, 1998.

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Summary for RYZUMVI
Pharmacology for RYZUMVI
Paragraph IV (Patent) Challenges for RYZUMVI
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
RYZUMVI Ophthalmic Solution phentolamine mesylate 0.75% 217064 1 2024-12-16

US Patents and Regulatory Information for RYZUMVI

RYZUMVI is protected by thirteen US patents and one FDA Regulatory Exclusivity.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Famygen Life Sci RYZUMVI phentolamine mesylate SOLUTION;OPHTHALMIC 217064-001 Sep 25, 2023 RX Yes Yes 12,201,616 ⤷  Start Trial ⤷  Start Trial
Famygen Life Sci RYZUMVI phentolamine mesylate SOLUTION;OPHTHALMIC 217064-001 Sep 25, 2023 RX Yes Yes 12,350,366 ⤷  Start Trial Y ⤷  Start Trial
Famygen Life Sci RYZUMVI phentolamine mesylate SOLUTION;OPHTHALMIC 217064-001 Sep 25, 2023 RX Yes Yes 12,734,126 ⤷  Start Trial ⤷  Start Trial
Famygen Life Sci RYZUMVI phentolamine mesylate SOLUTION;OPHTHALMIC 217064-001 Sep 25, 2023 RX Yes Yes 10,772,829 ⤷  Start Trial Y ⤷  Start Trial
Famygen Life Sci RYZUMVI phentolamine mesylate SOLUTION;OPHTHALMIC 217064-001 Sep 25, 2023 RX Yes Yes 11,844,858 ⤷  Start Trial Y ⤷  Start Trial
Famygen Life Sci RYZUMVI phentolamine mesylate SOLUTION;OPHTHALMIC 217064-001 Sep 25, 2023 RX Yes Yes ⤷  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

International Patents for RYZUMVI

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

Country Patent Number Title Estimated Expiration
Australia 2014212274 Aqueous ophthalmic solutions of phentolamine and medical uses thereof ⤷  Start Trial
Australia 2018200566 AQUEOUS OPHTHALMIC SOLUTIONS OF PHENTOLAMINE AND MEDICAL USES THEREOF ⤷  Start Trial
Canada 2899339 SOLUTIONS OPHTALMIQUES AQUEUSES DE PHENTOLAMINE ET UTILISATIONS MEDICALES ASSOCIEES (AQUEOUS OPHTHALMIC SOLUTIONS OF PHENTOLAMINE AND MEDICAL USES THEREOF) ⤷  Start Trial
Denmark 2950648 ⤷  Start Trial
European Patent Office 2950648 SOLUTIONS OPHTALMIQUES AQUEUSES DE PHENTOLAMINE ET UTILISATIONS MÉDICALES ASSOCIÉES (AQUEOUS OPHTHALMIC SOLUTIONS OF PHENTOLAMINE AND MEDICAL USES THEREOF) ⤷  Start Trial
Spain 2762153 ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

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