DEMULEN 1/35-28 Drug Patent Profile
✉ Email this page to a colleague
When do Demulen 1/35-28 patents expire, and when can generic versions of Demulen 1/35-28 launch?
Demulen 1/35-28 is a drug marketed by Gd Searle Llc and is included in one NDA.
The generic ingredient in DEMULEN 1/35-28 is ethinyl estradiol; ethynodiol diacetate. There is one drug master file entry for this compound. Six suppliers are listed for this compound. Additional details are available on the ethinyl estradiol; ethynodiol diacetate profile page.
AI Deep Research
Questions you can ask:
- What is the 5 year forecast for DEMULEN 1/35-28?
- What are the global sales for DEMULEN 1/35-28?
- What is Average Wholesale Price for DEMULEN 1/35-28?
Summary for DEMULEN 1/35-28
| US Patents: | 0 |
| Applicants: | 1 |
| NDAs: | 1 |
| Raw Ingredient (Bulk) Api Vendors: | 6 |
| Patent Applications: | 56 |
| DailyMed Link: | DEMULEN 1/35-28 at DailyMed |
US Patents and Regulatory Information for DEMULEN 1/35-28
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Exclusivity Expiration |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gd Searle Llc | DEMULEN 1/35-28 | ethinyl estradiol; ethynodiol diacetate | TABLET;ORAL-28 | 018160-001 | Approved Prior to Jan 1, 1982 | DISCN | No | No | ⤷ Start Trial | ⤷ Start Trial | ⤷ Start Trial | ||||
| >Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Exclusivity Expiration |
Expired US Patents for DEMULEN 1/35-28
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | Patent No. | Patent Expiration |
|---|---|---|---|---|---|---|---|
| Gd Searle Llc | DEMULEN 1/35-28 | ethinyl estradiol; ethynodiol diacetate | TABLET;ORAL-28 | 018160-001 | Approved Prior to Jan 1, 1982 | 3,483,221 | ⤷ Start Trial |
| >Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >Patent No. | >Patent Expiration |
International Patents for DEMULEN 1/35-28
See the table below for patents covering DEMULEN 1/35-28 around the world.
| Country | Patent Number | Title | Estimated Expiration |
|---|---|---|---|
| Austria | 259544 | ⤷ Start Trial | |
| Austria | 262977 | ⤷ Start Trial | |
| Austria | 262978 | ⤷ Start Trial | |
| >Country | >Patent Number | >Title | >Estimated Expiration |
Supplementary Protection Certificates for DEMULEN 1/35-28
| Patent Number | Supplementary Protection Certificate | SPC Country | SPC Expiration | SPC Description |
|---|---|---|---|---|
| 0136011 | 2000C/027 | Belgium | ⤷ Start Trial | PRODUCT NAME: ETHINYLESTRADIOLUM / NORETHISTERONI ACETAS; NAT. REGISTRATION NO/DATE: 19 IS 106 F3 20000911; FIRST REGISTRATION: NL RVG 23909 19991124 |
| 0398460 | C300221 | Netherlands | ⤷ Start Trial | PRODUCT NAME: DROSPIRENON EN ETHINYLESTRADIOL; REGISTRATION NO/DATE: RVG 23827 20000307 |
| 1214076 | C01214076/01 | Switzerland | ⤷ Start Trial | PRODUCT NAME: DROSPIRENONE + ETHINYLESTRADIOL; REGISTRATION NUMBER/DATE: SWISSMEDIC 57946 13.06.2008 |
| >Patent Number | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration | >SPC Description |
Make Better Decisions: Try a trial or see plans & pricing
Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.
ISSN: 2162-2639
Privacy and Cookies
Terms & Conditions
Site Map
DrugPatentWatch Alternatives
LOE / Major Patent Expirations 2026 - 2027
NCE-1 Patent Challenge Dates 2026 - 2027
Friedman, Yali. "DrugPatentWatch" DrugPatentWatch, thinkBiotech, 2026, www.DrugPatentWatch.com.
See Primary Research Papers Citing DrugPatentWatch