ALTIUS is an independent Belgian law firm based in Brussels (Tour & Taxis). Our team currently has about 65 lawyers and 25 staff members. We are a full-service law firm and we advise Belgian and international companies on the legal aspects of their businesses, transactions and disputes. Pragmatic, professional and personal, every lawyer brings their own brand of passion and expertise to the job at hand.

At ALTIUS, we do legal differently. Going the extra mile and challenging the status quo is the way we work with every colleague, client and business partner. Our service is unique in today’s legal space. Open minds and bold ideas - that’s what makes us so much more than great lawyers.



  • Brussels
  • Commercial
  • Corporate law
  • Civil Law
  • Tax
  • Public & administrative law
  • Real estate
  • Litigation
  • Banking & Finance
  • Intellectual property
  • Insurance law
  • Financial regulatory
  • Wealth management
  • Data protection & privacy
  • Employee benefits & pensions
  • Technology, Media, Telecommunications
  • Criminal
  • European Law
  • M&A / Private equity
  • Energy law
  • Competition law
  • Transport law
  • Urban planning and Environmental law
  • Employment & Social Security
  • Other
  • Medical law, healthcare & life sciences
  • Insolvency and Restructuring
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The 5 major changes in Belgian pharma law of 2023

Both the Belgian legislator and government have played an active role in 2023 when it comes to pharma legislation, which has led to a number of change…

The Belgian Competition Authority publishes a specific analytical framework for hospital concentrations

In its priorities note for 2023, the Belgian Competition Authority (“BCA”) listed the pharmaceutical and health care sector as one of it major interes…

Kirian Claeyé promoted to partner at ALTIUS

ALTIUS is delighted to announce the promotion of Kirian Claeyé to partner. Kirian has been a pillar of ALTIUS’ IP department for many years,