Ms Catherine Longeval > Van Bael & Bellis > Brussels, Belgium > Lawyer Profile

Van Bael & Bellis
Catherine Longeval photo

Work Department

Corporate and commercial, Regulatory


Partner Catherine Longeval specialises in litigation before the Belgian courts and advises clients on a wide range of issues, including life sciences law. Her expertise in this area covers laws governing medicines, biotech products, medical devices, cosmetics and food supplements, among other aspects.

She also specialises in unfair market practices, distribution law, product liability, public procurement, employment law and general commercial law.


Catherine began her professional career in October 1989. Prior to joining Van Bael & Bellis in 1994, she worked as an associate with a leading Brussels law firm. 

She regularly lectures and writes on life sciences regulatory matters and procedural law matters. She often speaks at conferences.

Catherine is a member of: CEPINA (Belgian Centre for Mediation and Arbitration); the Brussels Pharma Law Group; and the European Employment Lawyers Association.


Catherine Longeval speaks Dutch, English and French.


Member of the Brussels Bar


University of Brussels (ULB), Master of Laws, 1989
University of Leuven, Master of Laws, 1987

Lawyer Rankings

Belgium > Employment

Helmed by experienced litigator and life sciences regulatory specialist Catherine Longeval , Van Bael & Bellis handles a diverse range of employment law mandates, such as large-scale collective redundancies and mass contract terminations for retail and manufacturing clients. Cross-border disputes are also a key workflow for the team, with recent instructions including executive terminations. Counsel Sara Beutels is also recommended for her ‘outstanding competence and profound knowledge‘.

Belgium > Industry focus: Healthcare and life sciences

(Hall of Fame)

Catherine LongevalVan Bael & Bellis

The market-leading life sciences practice at Van Bael & Bellis fields a strong and sizeable team able to advise on a host of contentious and non-contentious mandates across the sector. The team is highly regarded by public and private sector clients, ranging from multinational pharmaceutical giants to pan-European associations and sovereign states. Praised by clients as an ‘exceptional legal advisor‘, Catherine Longeval routinely represents various heavyweight clients in high-profile litigation and CEPANI-governed arbitral tribunals. Peter L’Ecluse‘s life sciences expertise is concentrated in patent licensing, registration, and pricing reimbursement, representing entities in various administrative proceedings. Also noted for his EU competition expertise, Michael Clancy‘s recent disputes-based instructions include appearances before the Court of Justice appealing patent settlement verdicts. Koen T’Syen and Thibaut D’hulst are other names to note.

Belgium > Dispute resolution

(Leading individuals)

Catherine LongevalVan Bael & Bellis

Van Bael & Bellis maintains an active dispute resolution practice that encompasses corporate litigation, distributorship disputes, damages litigation, and other public tender matters for a client base that includes a strong roster of blue-chip multinationals and pharmaceutical companies. Practice head Catherine Longeval acts for many of the firm’s most high-profile clients, and is experienced in distribution law, product liability, and CEPINA-governed arbitration. Peter L’Ecluse is noted for his broad expertise in life sciences litigation, variously appearing before the administrative courts, the Council of State, and the Belgian Competition Authority. Koen T’Syen routinely appears before the Belgian civil and administrative courts, and is particularly experienced in cartel damages claims.