Mr Philippe de Jong > ALTIUS > Brussels, Belgium > Lawyer Profile


Work Department

Intellectual Property




Philippe de Jong was admitted to the Brussels Bar in 2002.

Philippe specialises in intellectual property law, with a particular focus on patents, plant variety rights and parallel import issues. Philippe also has extensive experience in regulatory matters concerning the life sciences and agri-food industries. Other areas of practice include medical law, media law and fair trade practices in a variety of sectors.

Philippe regularly lectures at conferences and seminars. He has also published articles in various leading legal journals relating to his area of expertise.

Philippe has worked as a consultant for the EU Plant Variety Office and is also an active member of various lawyer and sector organisations, including: the European Patent Lawyers Association (EPLAW), Euroseeds, the Licensing Executives Society (LES), and the International Association of Breeders of Asexually Reproducing Fruit and Ornamental Varieties (CIOPORA).


Philippe is fluent in Dutch, French and English


Philippe de Jong is a member of the European Patent Lawyer’s Association (EPLAW), of the Licensing Executive Society (LES), of FlandersBio, of the International Community of Breeders of Asexually Reproduced Ornamental and Fruit Varieties (CIOPORA), and of the European Seed Association (ESA).


  • M. Intellectual Property (University College of London)
  • Erasmus Exchange Programme (Université de Lausanne)
  • Juris (Universiteit Antwerpen)

Lawyer Rankings

Belgium > Industry focus: Food

A number of major producers, industry associations, agri-biotech companies, and foreign governments seek out the team at ALTIUS for its wide-ranging experience in the agri-food sector. Underpinned by the firm’s strength in IP and life sciences, the cross-practice team regularly handles both contentious and advisory instructions, including cross-border patent litigation, geographical indications, and regulatory annulment proceedings. Intellectual property specialist Phillippe De Jong has extensive regulatory knowledge in the life sciences and agri-food industries and Olivier Vrins works with various luxury champagne and cognac producers on geographical indications and designations of origin, appearing before the Benelux Courts and the EUIPO.

Belgium > Industry focus: Healthcare and life sciences

Led by patent litigation specialist Christophe Ronse and agri-food expert Philippe de Jong, ALTIUS‘ multidisciplinary team acts for a number of transnational pharmaceutical conglomerates, medical device manufacturers, biotech companies, and foreign governments on cross-border disputes and proceedings before the domestic and European courts. The team also has niche expertise in the application of EU-wide compliance regulations and patent enforcement actions. The ‘genius’ Kirian Claeyé is a key contact within the team for parallel import/distribution support and IP portfolio management across the life sciences sector.

Belgium > Intellectual property

Fielding one of the largest IP practices in Belgium, ALTIUS is highly regarded by blue-chip corporations, professional associations, and sovereign governments, both in Belgium and beyond. The versatile team’s far-reaching expertise is especially concentrated in patent enforcement, anti-counterfeiting measures, trademarks, geographical indications, plant variety rights and software piracy. Litigation – representing clients before various Belgian, Benelux, and European courts – is also a core competency. The team is jointly led by three partners: Christophe Ronse, who focuses on patent law and life sciences; Olivier Vrins, an expert in trademarks and anti-counterfeiting; and Phillippe De Jong, who specialises in parallel import issues and IP regulatory work in the life sciences and agri-food sectors. Sophie Lens is noted for her broad capabilities that encompass trade secrets and software piracy. Kirian Claeyé concentrates on patent litigation for pharmaceutical companies.