This article examines Regional Courts in Africa: The East African Court of Justice and Sub-Regional Adjudication: A Mixed-Methods Inquiry with a focused emphasis on Senegal within the field of Political Science. It is structured as a methodology article that organises the problem, the strongest verified scholarship, and the main analytical implications in a concise publication-ready format. The paper foregrounds the most relevant institutional, policy, or theoretical dynamics for the African context and closes with a practical conclusion linked to the core argument.