Progesterone Patent Expiration

Progesterone is used for supporting embryo implantation and early pregnancy in infertile women undergoing assisted reproductive technology (ART) treatment. It was first introduced by Eli Lilly And Co in its drug Progesterone on Approved Prior to Jan 1, 1982. Other drugs containing Progesterone are Prometrium, Endometrin, Milprosa, Progestasert, Crinone. 18 different companies have introduced drugs containing Progesterone.


Progesterone Patents

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

Filter patents by

Drug Used in Drug Patent Number Drug Patent Title Drug Patent Expiry Drug Owner
Milprosa US8580293 Monolithic intravaginal rings comprising progesterone and methods of making and uses thereof Jan 21, 2030 Ferring Pharms Inc
Milprosa US10537584 Monolithic intravaginal rings comprising progesterone and methods of making and uses thereof Feb 03, 2029 Ferring Pharms Inc
Milprosa US10548904 Monolithic intravaginal rings comprising progesterone and methods of making and uses thereof Feb 03, 2029 Ferring Pharms Inc
Endometrin US7300664 Vaginally administrable progesterone-containing tablets and method for preparing same Nov 17, 2019

(Expired)

Ferring
Endometrin US7320800 Vaginally administrable progesterone-containing tablets and method for preparing same Nov 17, 2019

(Expired)

Ferring
Endometrin US7393543 Vaginally administratable progesterone-containing tablets and method for preparing same Nov 17, 2019

(Expired)

Ferring
Crinone US5543150 Method of progesterone delivery and affect thereof Sep 15, 2013

(Expired)

Abbvie



About Veterinary Progesterone

Progesterone is used in a drug marketed by 1 company: Zoetis Inc

Other drugs containing Progesterone are: Eazi breed cidr cattle insert , Eazi breed cidr sheep insert ,

Veterinary Progesterone Patents

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

Filter patents by

Drug Used In Drug Patent Number Drug Patent Expiry Drug Owner
EAZI BREED CIDR Sheep Insert US6423039 22 Jun, 2017 ZOETIS INC.
EAZI BREED CIDR Cattle Insert US6423039 22 Jun, 2017 ZOETIS INC.
EAZI BREED CIDR Sheep Insert US6663608 22 Jun, 2017 ZOETIS INC.

Progesterone Petitions

Details of Progesterone's suitability petitions are listed below.

Petitioner Action Date of Action Description
Bioniche Animal Health USA, Inc. Approved 03 Nov, 2004 The generic product will have a change in strength from the pioneer.
Intervet, Inc. Approved 28 Jul, 2004 The generic product will have a change in strength from the pioneer.

Progesterone's Family Patents

Family Patents

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Progesterone Generic API Manufacturers

Several generic applications have been filed for Progesterone. The first generic version for Progesterone was by Fresenius Kabi Usa Llc and was approved on Apr 25, 2001. And the latest generic version is by Xiromed Pharma Espana Sl and was approved on Sep 19, 2025.

Given below is the list of companies who have filed for Progesterone generic, along with the locations of their manufacturing plants worldwide.