Loss of exclusivityOctober 2039latest FDA-listed patent expiry
CompanyFAMYGEN LIFE SCIENCES INC
Drug detail
Brand name
RYZUMVI
Active ingredient
PHENTOLAMINE MESYLATE
Strength
EQ 0.75% BASE
Dosage form
SOLUTION
Route
OPHTHALMIC
Modality
Small molecule
FDA approval
September 2023
Marketing status
RX
Listed patents
Patent
Expires
Type
12576067
October 2039
use U-3804
12576066
October 2039
use U-3804
11400077
October 2039
use U-3804
12201615
October 2039
use U-3804
12201616
October 2039
use U-3804
11090261
January 2034
product
10278918
January 2034
product
10772829
January 2034
product
12721810
January 2034
product
12734126
January 2034
use U-4604
12350366
January 2034
product
11844858
January 2034
product
9795560
January 2034
product
Regulatory exclusivity
Code
Expires
NP
September 2026
Source: FDA Orange Book, layered on the CliffBio company graph. Cliff dates are the latest FDA-listed patent expiry; estimates are projections, not legal advice.