De Clercq & Partners

De Clercq & Partners is your partner for personalised intellectual property protection and enforcement. We have extensive experience in assisting clients in building up, evaluating and maintaining a relevant intellectual property portfolio which will both maximise your company’s competitive advantage as well as ensuring optimal use of intellectual property assets.

Based on the concrete needs of each client, our services may extend from assisting in addressing specific intellectual property issues, to ensuring the complete development of an intellectual property strategy. Where necessary, we help our clients to understand and feel comfortable with all aspects of intellectual property processes and their requirements. We aim to give our clients complete peace of mind in relation to all intellectual property issues and strive to provide advice tailored to clients’ specific requirements.

Who we are

De Clercq & Partners is an established firm of experienced and highly motivated patent attorneys and trademark and design attorneys. We currently have offices in Sint-Martens-Latem, Leuven and Hasselt in Belgium, all very close to Europe’s capital city of Brussels.

Our attorneys have strong academic and technological credentials with PhD degrees in science and/or LLM degrees in intellectual property law. The combination of high-level scientific skills and strong expertise in IP law enables us to provide you with the highest standards of service in all aspects of IP practice in Belgium, Europe and across the globe.

It is also important to be able to rely on the same quality for the prosecution of your IP abroad, while maintaining a handle on the costs involved. De Clercq & Partners has a strong link with carefully selected and trusted IP firms all over the world, who also rely on our firm for their IP prosecution. This reciprocity ensures that both quality and costs are very closely controlled.

Thanks to the international diversity of our professionals, we can offer our services in at least seven different languages.

Customised IP protection

  • De Clercq & Partners offers expertise in determining a tailor-made IP strategy and also provides strategic advice in that regard. Such services include, among other things:
  • Identifying optimal protection strategy
  • Developing an appropriate IP portfolio, tailored to the product and market
  • Management of IP portfolios with a clear view on costs involved
  • Advising on tax benefits related to innovation income in Belgium
  • Providing strategic advice on the acquisition, maintenance, exploitation and valuation of IP as part of the company’s overall business strategy


De Clercq & Partners provides services in all areas of technology, encompassing among others drafting, filing and prosecution of PCT, European and national patent applications, and representation of parties in examination, oppositions and appeals. We can directly file and validate EP patents in Belgium, and provide worldwide IP services via our extensive network of trusted foreign associates.

In order to obtain adequate patent protection for technological developments made in different specialised fields, it is important to know how to bring out aspects of the invention which can be protected and to be aware of the recent developments on these issues. Through its extensive experience in these specific areas of patent protection, De Clercq & Partners is able to provide guidance to clients on how to obtain optimal protection for inventions in these fields as our patent attorneys closely follow both national and international case law.

Trademarks and designs

Our team of experienced trademark and design attorneys offers expertise and services such as the drafting and filing of trademark and design applications. We advise on validity, infringement and the enforcement of our client’s portfolio. To that end, De Clercq & Partners can initiate and conduct opposition, cancellation and/or revocation proceedings before the competent administrations, help clients negotiate friendly settlements, draft co-existence agreements, and so on.

We represent our clients directly before the Benelux Office, the European Intellectual Property Office, the World Intellectual Property Office, the French Institute for the Intellectual Property, the United Kingdom Intellectual Property Office, and through a network of trusted foreign associates in all other countries worldwide.

Awards and recognition

We pride ourselves on our continuous rankings and awards from leading industry publications such as Managing Intellectual Property (MIP), the World Trademark Review (WTR), Intellectual Asset Management (IAM), Leaders League and the Financial Times.

Contact details

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

Professional contacts

Other offices

  • Hasselt
  • Leuven

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