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James Mukasa Sebugenyi

James Mukasa Sebugenyi

Partner, S&L Advocates

James Mukasa Sebugenyi specialises in dispute resolution (litigation and arbitration) and has participated in significant cases covering mainstream areas of law such as commercial contracts, real estate and product liability, and in specialised spheres such as constitutional law, property fraud, telecommunications, energy, expropriated properties, utilities, employee benefits and aviation negligence.

James has undertaken specialised litigation training from the prestigious National Institute of Trial Advocacy in Colorado, USA, the world’s premier continuing legal education provider of trial advocacy skills, and the University of Washington School of Law in Seattle, where he received training in trial advocacy instruction. He has participated in numerous seminars and conferences around the globe as a speaker and faculty on litigation practice.

Experience has included advising:

  • The Civil Aviation Authority, as an intervener in connection with a dispute related to the use of and payment for airport space before the East African Court of Justice
  • British American Tobacco Uganda, in a GBP5.4 million contract dispute with a group of tobacco farmers before the Supreme Court of Uganda, including in notable post-judgment proceedings that invoked the inherent powers of the supreme court
  • British American Tobacco Uganda, in a landmark constitutional petition to challenge the constitutionality of the Uganda Tobacco Control Act 2015
  • For the appellant in landmark proceedings to determine the nature and extent of the validation principle following the performance of a step beyond the time prescribed by the supreme court rules
  • Barclays Bank of Uganda, in defending a complex and high-value claim for fraud and breach of duty in relation to the receivership of a borrower
  • Total E&P, Tullow Oil operations and the China National Offshore Oil Corporation, in a landmark and complex lawsuit that challenges the validity and legality of exploration and production licences issued to the oil companies
  • Hima Cement Uganda, a subsidiary of LafargeHolcim, in a USD120 million dispute over the proprietary rights to a limestone mining area before the court of appeal
  • Africell Uganda, a leading telecommunications company, in a USD2 billion class action seeking to challenge and halt the operation of mobile money telephone banking services

Professional Qualifications

  • Advocate admitted to the High Court of Uganda (1992)


  • Law Development Centre, Post-Graduate Diploma in Legal Practice (bar qualification) (1992)
  • Makerere University, Bachelor of Law (1991)


  • Ranked as leading lawyer in Chambers & Partners Global


  • Member of the International Bar Association
  • Member of the Commonwealth Lawyers Association
  • Member of the East Africa Law Society
  • Member of the Uganda Law Society