Ethinyl Estradiol; Levonorgestrel Patent Expiration
Ethinyl Estradiol; Levonorgestrel is Used for preventing pregnancy in women using oral contraceptives. It was first introduced by Teva Branded Pharmaceutical Products R And D Inc
Ethinyl Estradiol; Levonorgestrel Patents
Given below is the list of patents protecting Ethinyl Estradiol; Levonorgestrel, 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 |
|---|---|---|---|---|
| Quartette | US8415332 | Methods of hormonal treatment utilizing ascending-dose extended cycle regimens | Mar 11, 2029 | Teva Branded Pharm |
| Loseasonique | US7855190 | Methods of hormonal treatment utilizing contraceptive regimens with continuous estrogen administration | Dec 05, 2028 | Teva Branded Pharm |
| Seasonique | US7855190 | Methods of hormonal treatment utilizing contraceptive regimens with continuous estrogen administration | Dec 05, 2028 | Teva Branded Pharm |
| Twirla | US8246978 | Dermal delivery device with reduced loss of its volatile components | Aug 26, 2028 | Agile |
| Twirla | US8747888 | Dermal delivery device with in situ seal | Jul 10, 2028 | Agile |
| Twirla | US9050348 | Dermal delivery device | Jul 10, 2028 | Agile |
| Balcoltra | US7838042 | Hypoallergenic metal amino acid chelates and metal amino acid chelate-containing compositions | Jun 01, 2027 | Avion Pharms |
| Quartette | US8450299 | Methods of hormonal treatment utilizing ascending-dose extended cycle regimens |
Oct 07, 2025
(Expired) | Teva Branded Pharm |
| Seasonique | US7320969 | Oral contraceptives to prevent pregnancy and diminish premenstrual symptomatology |
Jan 30, 2024
(Expired) | Teva Branded Pharm |
| Loseasonique | US7858605 | Oral contraceptives to prevent pregnancy and diminish premenstrual symptomatology |
Jun 23, 2023
(Expired) | Teva Branded Pharm |
| Seasonique | US7858605 | Oral contraceptives to prevent pregnancy and diminish premenstrual symptomatology |
Jun 23, 2023
(Expired) | Teva Branded Pharm |
| Loseasonique | US7615545 | Oral contraceptives to prevent pregnancy and diminish premenstrual symptomatology |
Jun 15, 2023
(Expired) | Teva Branded Pharm |
| Seasonique | US7615545 | Oral contraceptives to prevent pregnancy and diminish premenstrual symptomatology |
Jun 15, 2023
(Expired) | Teva Branded Pharm |
| Balcoltra | US6716814 | Enhancing solubility of iron amino acid chelates and iron proteinates |
Aug 16, 2021
(Expired) | Avion Pharms |
| Twirla | US7045145 | Transdermal contraceptive delivery system and process |
Mar 14, 2021
(Expired) | Agile |
| Twirla | US7384650 | Skin permeation enhancement composition for transdermal hormone delivery system |
Mar 14, 2021
(Expired) | Agile |
| Twirla | US8221784 | Transdermal hormone delivery system: compositions and methods |
Mar 14, 2021
(Expired) | Agile |
| Twirla | US8221785 | Transdermal hormone delivery system: compositions and methods |
Mar 14, 2021
(Expired) | Agile |
| Preven Emergency Contraceptive Kit | US6156742 | Emergency contraceptive kit |
Dec 05, 2020
(Expired) | Teva Branded Pharm |
| Twirla | US8883196 | Transdermal hormone delivery system: compositions and methods |
Nov 22, 2020
(Expired) | Agile |
| Lybrel | US6500814 | Hormonal contraceptive |
Sep 03, 2018
(Expired) | Wyeth Pharms Inc |
| Seasonale | US5898032 | Ultra low dose oral contraceptives with less menstrual bleeding and sustained efficacy |
Jun 23, 2017
(Expired) | Teva Branded Pharm |
| Seasonale | USRE39861 | Methods of extended use oral contraception |
Jun 23, 2017
(Expired) | Teva Branded Pharm |
A patent's expiry date may change depending upon legal activities going on that patent. Critical
activities like
abandoning of a patent, term extension of a patent or amendment of its claims can increase or
decrease the life of a
patent hence affecting its expiry date and in turn affecting the generic launch date of that
drug. Tracking these
ongoing activities on a patent application helps to keep an eye on the latest developments in
the patent process of
the drug which can give an idea of how early a drug's generic could be available. The next
section provides a list
of recent legal activities on Ethinyl Estradiol; Levonorgestrel's patents.
Latest Legal Activities on Ethinyl Estradiol; Levonorgestrel's Patents
Given below is the list recent legal activities going on the following patents of Ethinyl Estradiol; Levonorgestrel.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Maintenance Fee Reminder Mailed Critical
| 04 Mar, 2024 | US8221785 |
| Maintenance Fee Reminder Mailed Critical
| 04 Mar, 2024 | US8221784 |
| Payment of Maintenance Fee, 12th Yr, Small Entity | 21 Feb, 2024 | US8246978 |
| Expire Patent Critical
| 19 Dec, 2022 | US8883196 |
| Payment of Maintenance Fee, 8th Yr, Small Entity | 09 Dec, 2022 | US9050348 |
| Maintenance Fee Reminder Mailed Critical
| 04 Jul, 2022 | US8883196 |
| Payment of Maintenance Fee, 8th Year, Large Entity | 18 Nov, 2020 | US8450299(Litigated) |
| Payment of Maintenance Fee, 8th Year, Large Entity | 05 Oct, 2020 | US8415332(Litigated) |
| Payment of Maintenance Fee, 8th Yr, Small Entity | 21 Feb, 2020 | US8246978 |
| Payment of Maintenance Fee, 8th Yr, Small Entity | 17 Jan, 2020 | US8221784 |
Ethinyl Estradiol; Levonorgestrel's Family Patents
