ALTIUS Lawyers

ALTIUS is one of the largest Belgian independent full-service law firms with an international focus, consisting of approximatively 65 lawyers. Established in Brussels, Antwerp, and Louvain-la-Neuve, we advise Belgian and international companies on the legal aspects of their transactions and disputes.


Our teams are all hands-on, thorough and approachable. We help our clients navigate through often-complex legislation and regulatory environments and provide clear solutions to a wide range of legal issues. In addition to our specialist legal knowledge, we focus on thinking creatively with our clients to offer tailor-made solutions. Our aim is to turn, through careful listening and awareness, strategic questions into clear, straightforward answers.


Life Sciences Team

Our Life Sciences group has a proven track record in assisting clients in the life sciences, healthcare and agricultural industries in contentious and non-contentious matters. Our team works on cases that continue to define the landscape for pharmaceutical patents in Belgium in particular. Led by IP and Litigation Partner Christophe Ronse, the team represents several (multi)national pharmaceutical, medical and biotech companies on the legal issues encountered during each stage of developing their products, from R&D, through marketing authorisation, pricing and reimbursement to manufacturing, distribution and advertising. The team further includes Philippe de Jong, IP partner who has particular expertise in the protection of plant biotechnological inventions, Tom Vantroyen, partner at the Corporate department, William Timmermans, head of the Regulatory department, as well as several senior and junior associates.



  • Agri-food law
  • Cell & tissue engineered products
  • Compliance
  • Corporate and M&A
  • Data protection
  • EU Regulatory Affairs
  • Intellectual Property
  • Medical devices
  • Medicinal products’ marketing
  • Parapharmaceuticals
  • Pricing and reimbursement
  • Protection of plant biotechnological inventions

Listings & recommendations

  • Chambers Europe 2017 – Intellectual Property – Band 1
    "They are one of the top firms in Belgium."
    "They are always kind and reply fast."

  • Chambers Europe 2017 – Life Sciences – Band 4
    "The knowledge they have of pharmaceutical patent litigation is very good. They have a great expertise in regulatory issues, and combine it with the litigation side as well."

  • Legal 500 EMEA 2016 - Intellectual Property - Tier 1
    The team at ALTIUS advises on the full scope of intellectual property law and unfair competition, acting for a broad client base including companies in life sciences.

  • Legal 500 EMEA 2016 - Healthcare and Life Sciences - Tier 2
    ALTIUS has an impressive client base in the life sciences industry, including Novartis and Hoffmann-La Roche.

  • IAM Patent 1000 2016 - Band 1
    "The "unbeatable" Christophe Ronse sets the benchmark for life sciences patent litigation nationally."

  • Managing Intellectual Property 2015
    The firm is doing a “very good job” and is said to be “knowledgeable”, according to clients.

  • Chambers Europe 2015 – Intellectual Property – Band 1
    Christophe Ronse is an excellent patent litigator with a particular focus on advising pharmaceutical companies.

  • IAM Patent 1000 2015 - Band 1


Altius’ cases in Biotech & Life Sciences

By Christophe Ronse

Havenlaan 86C 1000 Brussels, Belgium

tel: +32 2 426 14 14
fax: +32 2 426 20 30
Biolegis contact:
Christophe Ronse

Our specialist Christophe Ronse is happy to meet you.

Our specialist Tom Vantroyen is happy to meet you.

Our specialist Philippe de Jong is happy to meet you.