Ann De Clercq

Founding Partner at De Clercq & Partners

Ann De Clercq is managing partner at De Clercq & Partners, a Belgian IP firm that she founded in 1998.

Ms De Clercq holds a licentiate in biology (zoology) and a PhD in plant molecular biology from the University of Ghent (Belgium). Before founding De Clercq & Partners, Ms De Clercq worked as a substantive examiner at the European Patent Office (EPO) in Munich, Germany. She afterwards headed the patent department of Innogenetics NV, a Belgian biotech company active in human healthcare.

Ms De Clercq is a qualified Belgian and European patent attorney with extensive patent practice experience in all fields of biotechnology and related life sciences, as well as in mechanical engineering.

Her areas of practice include:

  • drafting, filing and prosecution of Belgian, European and Patent Cooperation Treaty patent applications;
  • drafting and prosecution of national patent applications;
  • oppositions and appeal proceedings before the EPO;
  • conducting oral proceedings before the EPO in examination and opposition;
  • validations of European patents in Belgium as a qualified Belgian patent attorney;
  • filing and prosecuting supplementary protection certificates (SPCs) in Belgium and advising on SPCs in general;
  • legal IP advice on Belgian patents;
  • acting as an expert for the Belgian courts in descriptive seizure proceedings;
  • acting as an expert in litigation before Belgian civil courts in IP matters;
  • IP litigation experience in Belgium, the Netherlands, the United Kingdom and Japan;
  • opinions regarding patentability, freedom to operate, infringement and validity of IP rights;
  • IP due diligence;
  • portfolio management, advice and strategy; and
  • general strategic and legal advice in IP matters.

Ms De Clercq is chair of the Biotech Committee of the Institute of Professional Representatives before the European Patent Office (epi), as well as the epi council member for Belgium.

In addition, Ms De Clercq is a member of the Licensing Executives Society, the International Association for the Protection of Intellectual Property and the Society for Intellectual Property in Flanders.

Ms De Clercq has lectured on several IP-related topics at conferences, the Vlerick Leuven Gent Management School, the University of Antwerp and the Free University of Brussels.

Professional associations

  • epi
  • LES

Firm details

De Clercq & Partners
Edgard Gevaertdreef 10A
Sint-Martens-Latem 9830

Contact details

See firm profile