Drospirenone; Ethinyl Estradiol Patent Expiration
Drospirenone; Ethinyl Estradiol is Used for contraception, prevention of pregnancy, and treating premenstrual dysphoric disorder in premenopausal females. It was first introduced by Bayer Healthcare Pharmaceuticals Inc
Drospirenone; Ethinyl Estradiol Patents
Given below is the list of patents protecting Drospirenone; Ethinyl Estradiol, 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 |
|---|---|---|---|---|
| Yaz | US6958326 | Cyclodextrin-drospirenone inclusion complexes |
Dec 20, 2021
(Expired) | Bayer Hlthcare |
| Yaz | US7163931 | Compositions of estrogen-cyclodextrin complexes |
Dec 20, 2021
(Expired) | Bayer Hlthcare |
| Yasmin | US6787531 | Pharmaceutical composition for use as a contraceptive |
Aug 31, 2020
(Expired) | Bayer Hlthcare |
| Yaz | US6787531 | Pharmaceutical composition for use as a contraceptive |
Aug 31, 2020
(Expired) | Bayer Hlthcare |
| Yaz | US6987101 | Therapeutic gestagens for the treatment of premenstrual dysphoric disorder |
Dec 22, 2017
(Expired) | Bayer Hlthcare |
| Yasmin | US6933395 | PROCESSING FOR PRODUCING OF DROSPIRENONE (6β, 7β, 15β, 16β-DIMETHYLENE-3-OXO-17α-PREGN-4-EN-21, 17-CARBOLACTONE, DRSP) AS WELL AS 7α-(3-HYDOXY-1-PROPLY)-6β, 7β; 15β, 16β-DIMETHYLENE-5β-ANDROSTANE-3β, 5,17β-TRIOL(ZK 92836) AND 6β, 7β; 15β, 16β-DIMETHYLENE-5β-HYDROXY |
Aug 11, 2017
(Expired) | Bayer Hlthcare |
| Yaz | US6933395 | PROCESSING FOR PRODUCING OF DROSPIRENONE (6β, 7β, 15β, 16β-DIMETHYLENE-3-OXO-17α-PREGN-4-EN-21, 17-CARBOLACTONE, DRSP) AS WELL AS 7α-(3-HYDOXY-1-PROPLY)-6β, 7β; 15β, 16β-DIMETHYLENE-5β-ANDROSTANE-3β, 5,17β-TRIOL(ZK 92836) AND 6β, 7β; 15β, 16β-DIMETHYLENE-5β-HYDROXY |
Aug 11, 2017
(Expired) | Bayer Hlthcare |
| Yaz | US5798338 | Solid dosage forms that contain clathrates of 17α-ethinyl estradiol |
Jul 10, 2015
(Expired) | Bayer Hlthcare |
| Yaz | USRE37564 | Composition for contraception |
Jun 30, 2014
(Expired) | Bayer Hlthcare |
| Yaz | USRE37838 | Composition for contraception |
Jun 30, 2014
(Expired) | Bayer Hlthcare |
| Yaz | USRE38253 | Composition for contraception |
Jun 30, 2014
(Expired) | Bayer Hlthcare |
| Yaz | USRE43916 | Composition for contraception |
Jun 30, 2014
(Expired) | Bayer Hlthcare |
| Yasmin | US5569652 | Dihydrospirorenone as an antiandrogen |
Oct 29, 2013
(Expired) | Bayer Hlthcare |
| Yaz | US5569652 | Dihydrospirorenone as an antiandrogen |
Oct 29, 2013
(Expired) | Bayer Hlthcare |
Drospirenone; Ethinyl Estradiol's Family Patents