Chemistry
Protection for pharmaceutical compounds and small molecules, polymers, agrochemicals, and material sciences.
Who are we?
At De Clercq & Partners, we understand the legal complexities of Intellectual Property laws and their impact on the protection of different technologies. Years of experience serving clients - ranging from individual inventors to multinational companies - have enabled us to provide advice tailored to clients’ specific requirements.
“We pride ourselves on our ability to deliver a first-class service to clients in contentious proceedings, leaving no stone unturned in pursuit of our client’s best interests.”
Partner, European Patent Attorney, Belgian Patent Atterney, Ligitator
How it al started
1979
Opening of our main office in Sint-Martens-Latem, founded by Ann De Clercq
1988
Opening a second
office in Leuven
1993
Expanding our services with Trademarks, Designs & Domain names
1999
Opening our third office in Hasselt
2004
Celebrating 25 Years of Excellence!
Meet the team
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Partners
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Patent attorneys
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European patent litigators
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Trademark & design attorneys
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Patent advisers
- Ranked Excellent in the 2025 Leaders League for Patent Prosecution and Trademark Prosecution (Belgium)
- We’re ranked Tier 1 among Belgian firms for Patent Prosecution by IP STARS 2025
- Ann De Clercq named Lawyer of the Year – Patent at the 2025 Women in Business Law Awards
- Joost Muylle, has once again been recognised in the World Trademark Review Global Leaders 2025
- Recognised – De Clercq & Partners in the Financial Times’ list of Europe’s Leading Patent Law Firms 2025
- IP STARS 2025 Recognition for De Clercq & Partners