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About Us

The firm was founded by Joseph Antoine Onambele, 25 years ago, he was later joined by Mary Concilia Anchang. As Founding and managing partners they have through their dedication and hard work built an international bilingual and bi-jurial law firm, based in Yaoundé Cameroon.

OAA law is proud to be the first Bilingual Law firm in the Country practicing in both, Civil Law and Common Law jurisidictions.OAA law is a full-service corporate law firm, that serve clients in a diverse range of industries, and have over the years represented clients in matters that include litigation, mergers and acquisition, telecommunication, mining, real estate, finance, corporate Law, project finance and intellectual property. Due to its broad based corporate capabilities, OAA Law delivers high quality and highly efficient services to its clients.

The firms practice over the years has grown to include coverage of the CEMAC region and globally.OAA Law senior partner Joseph Antoine Onambele has been the Regional Secretary in Africa for International Lawyers Association ( UIA Union International des Avocats) and also past president of the International Chamber of Commerce based in Yaoundé Cameroon for three years.

Partner Mary Concilia Anchang was first female judge in the International Court of Arbitration. OAA Law is a renaissance law firm, with experienced and well travelled attorneys, who have worked for clients across the globe. OAA Law is a pioneer Law firm in Intellectual Property, Corporate Law and Mining Law in the Region.

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