Philippe specialises in intellectual property law, with a particular focus on patents, plant variety rights and parallel import issues.
"Philippe de Jong is described as an excellent lawyer who is very dedicated to his work, with broad knowledge." – Chambers Europe, 2017
Philippe de Jong receives praise from clients for being a "very pleasant and knowledgeable" lawyer who "always amazes" his clients. – Chambers Europe, 2017
"Philippe de Jong is described as a very bright lawyer in a very specialist domain - someone to watch." – Chambers Europe, 2016
"Philippe de Jong is recognised for his knowledge of patent law. He also has valued expertise in plant variety rights, where he represents clients in high-profile cases before the European authorities. - Chambers Europe, 2015