Dinoprostone Patent Expiration

Dinoprostone is Used for managing pelvic organ prolapse. It was first introduced by Pfizer Inc in its drug Prostin E2 on Approved Prior to Jan 1, 1982. Other drugs containing Dinoprostone are Prepidil, Cervidil. 2 different companies have introduced drugs containing Dinoprostone.


Dinoprostone Patents

Given below is the list of patents protecting Dinoprostone, along with the drug name that holds that patent and the company name owning that drug.

Drug Used in Drug Patent Number Drug Patent Title Drug Patent Expiry Drug Owner
Cervidil US5269321 Retrievable pessary Jul 14, 2012

(Expired)

Ferring Pharms Inc