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Dienogest; Estradiol Valerate Patent Expiration

Dienogest; Estradiol Valerate is Used for preventing pregnancy and treating heavy menstrual bleeding in women who use oral contraceptives. It was first introduced by Bayer Healthcare Pharmaceuticals Inc in its drug Natazia on May 6, 2010. 2 different companies have introduced drugs containing Dienogest; Estradiol Valerate.


Dienogest; Estradiol Valerate Patents

Given below is the list of patents protecting Dienogest; Estradiol Valerate, 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
Natazia US8153616 Combination preparation for oral contraception and oral therapy of dysfunctional uterine bleeding containing estradiol valerate and dienogest and method of using same Jan 30, 2028 Bayer Hlthcare
Natazia US8071577 Multi-phase contraceptive preparation based on a natural estrogen May 13, 2026 Bayer Hlthcare
Natazia US6133251 Combination compound for contraception based on natural estrogen Oct 25, 2016

(Expired)

 Bayer Hlthcare
Natazia US6884793 Combination preparation for contraception based on natural estrogens Oct 25, 2016

(Expired)

 Bayer Hlthcare



Dienogest; Estradiol Valerate's Family Patents

Family Patents

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Dienogest; Estradiol Valerate Generic API Manufacturers

Only one generic application has been filed for Dienogest; Estradiol Valerate.

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


1. WATSON LABS INC

Watson Laboratories Inc has filed for 1 generic for Dienogest; Estradiol Valerate. This n/a,2mg,3mg,n/a,n/a;3mg,2mg,2mg,1mg,n/a version comes by the name ESTRADIOL VALERATE AND DIENOGEST. Given below are the details of the strengths of this generic introduced by Watson Labs Inc.

Strength Dosage Form Availability Application Pathway TE code Launch Date
N/A,2MG,3MG,N/A,N/A; 3MG,2MG,2MG,1MG,N/A

tablet Prescription ORAL AB May 6, 2016