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
12201616
October 2039
use U-3804
12201615
October 2039
use U-3804
11400077
October 2039
use U-3804
12576067
October 2039
use U-3804
12576066
October 2039
use U-3804
12350366
January 2034
product
11844858
January 2034
product
9795560
January 2034
product
11090261
January 2034
product
10278918
January 2034
product
10772829
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.