Pharsight

Viagra patents expiration

Drug Patent Number Company Drug Patent Title Drug Patent Expiry Activity Alert
These drug patents focus on the other aspects of the active substance like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US5250534

(Pediatric)

VIATRIS Pyrazolopyrimidinone antianginal agents
Sep, 2012

(11 years ago)

US6469012 VIATRIS Pyrazolopyrimidinones for the treatment of impotence
Oct, 2019

(4 years ago)

US6469012

(Pediatric)

VIATRIS Pyrazolopyrimidinones for the treatment of impotence
Apr, 2020

(4 years ago)

Viagra is owned by Viatris.

Viagra contains Sildenafil Citrate.

Viagra has a total of 3 drug patents out of which 3 drug patents have expired.

Expired drug patents of Viagra are:

  • US5250534*PED
  • US6469012
  • US6469012*PED

Viagra was authorised for market use on 27 March, 1998.

Viagra is available in tablet;oral dosage forms.

Viagra can be used as treatment of erectile dysfunction.

The generics of Viagra are possible to be released after 22 April, 2020.

Drugs and Companies using SILDENAFIL CITRATE ingredient

Market Authorisation Date: 27 March, 1998

Treatment: Treatment of erectile dysfunction

Dosage: TABLET;ORAL

How can I launch a generic of VIAGRA before it's drug patent expiration?
More Information on Dosage

VIAGRA family patents

Family Patents