Last Updated: August 17, 2026

African Intellectual Property Organization (OAPI) Drug Patents

« Back to Dashboard


Benin, Burkina Faso, Cameroon, Central African Republic, Chad, Comoros, Congo Brazzaville, Côte d'Ivoire, Equatorial Guinea, Gabon, Guinea, Guinea-Bissau, Mali, Mauritania, Niger, Senegal, Togo

Drug Patents in African Intellectual Property Organization (OAPI) and US Equivalents

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
Glossary
Patent Number Estimated Expiration Equivalent US Patent US Expiry Date Generic Name US Applicant US Tradename
1090 ⤷  Start Trial 3422196 1986-01-14 metaproterenol sulfate Boehringer Ingelheim ALUPENT
3628 ⤷  Start Trial 3666858 1989-05-30 ethinyl estradiol; norgestrel Wyeth Pharms OVRAL
1833 ⤷  Start Trial 3520926 1987-07-21 procarbazine hydrochloride Leadiant Biosci Inc MATULANE
3628 ⤷  Start Trial 3666858 1989-05-30 ethinyl estradiol; norgestrel Wyeth Pharms OVRAL-28
3872 ⤷  Start Trial 3419578 1985-12-31 cromolyn sodium Sanofi Aventis Us INTAL
3872 ⤷  Start Trial 3686412 1989-08-22 cromolyn sodium Sanofi Aventis Us INTAL
>Patent Number >Estimated Expiration >Equivalent US Patent >US Expiry Date >Generic Name >US Applicant >US Tradename

Subscribe to access the full database, or Start Trial

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.

 
© Copyright 2002-2026 thinkBiotech LLC
ISSN: 2162-2639
Secure SSL Encrypted
Privacy and Cookies
Terms & Conditions
Site Map
DrugPatentWatch Alternatives
LOE / Major Patent Expirations 2026 - 2027
 NCE-1 Patent Challenge Dates 2026 - 2027
Preferred Citation:

Friedman, Yali. "DrugPatentWatch" DrugPatentWatch, thinkBiotech, 2026, www.DrugPatentWatch.com.
   See Primary Research Papers Citing DrugPatentWatch

Links