Expertise in Mediation and Arbitration


ONAMBELE-ANCHANG & ASSOCIATES 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. We were recently awarded the 2016 African Excellence leading firm in Cameroon award, and to celebrate this we share some of our many successes.

OAA Law is proud to be the first bilingual Law firm in the country practicing in both, civil law and common law jurisdictions’ 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 firm’s practice over the years has grown to include coverage of the CEMAC region and globally 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.

Mediation & Arbitration (Alternate Dispute Resolution)
Our firm offers alternate dispute resolution mechanisms (ADR). Our expertise in mediation and arbitration matters is one of the hallmarks of our firm. This desk is headed by a past member of the ICC Court of Arbitration, of the International Chamber of Commerce in Paris (ICC). She has rich huge background in ADR as one of the senior partners of the firm, she offers one of the finest regional expertise in matters of mediation and arbitration in Africa. Besides her professionalism and dynamism, she earns high regard from her peers for her diverse skills. She played a vital and instrumental role in creating the National Committee of the ICC in Cameroon in 2001.

As a current member of ‘Arbitral Women’, she was a member of the ICC Arbitration commission until July 2014. OAA Lawyers have been involved in international arbitration for over 20 years. Our lawyers are equipped to deal with the complex and evolving nature of International Arbitration.

We are able to supply our clients with winning arguments and strategies because of the depth of knowledge and the experience of our team. We represent commercial clients in the OHADA, CCJA (common court of justice and Arbitration) in Abidjan.

Our clients include financial institutions, global corporations, foreign investors and national businesses and with foreign partners. We act for global corporations; financial institutions, foreign investors and sovereign states, and we have a high number of repeat clients. They turn to us because they trust our skill, experience and reputation to achieve the best possible outcome, and because our partners personally handle their cases.

Company Formation and Governance
OAA Law Corporate governance practice is client and result oriented. We assist clients in all aspects of the formation and governance of business entities. Our attorneys are experienced in all aspects of governance and compliance. We counsel and represent public and private companies. We advise clients on formation of new entities restructuring of existing entities to include corporate formalities and administrative issues and tax.

Our advice to clients include advise on drafting of documents in the formation of corporations, partnerships, limited liability companies with regards to government laws under which the entities are to be organised to include OHADA law requirements. Due to the complexity involved in company formation, our corporate attorneys guide clients through the legal intricacies of the legal and tax issues involved in choosing an entity as a vehicle for their business.

Our attorneys have advised clients in the formation of companies from start-up companies, limited liability company’s corporations. In formation of the companies we draft the required documents for the organisation, to be filed with the necessary government official or office. Our attorneys also during formation, offer advice to clients on the structuring, negotiating documenting other business arrangements related to new companies.