We build your intellectual property

We help you with

Patents

Protect your invention with a patent and prevent others from using it.

Trademarks

Register your trademark and protect your brand identity.

Designs

Secure your design and prevent others from copying it.

Domain Names

We register, protect, and manage domain names.

Copyright

Protect your creations — we secure and enforce your rights from day one.

KMO-portefeuille

Benefit from financial support through recognized Flemish subsidy programs.

Meet the team

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European patent litigators

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Trademark & design attorneys

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What’s new?

05 February 2026 Altius De Clercq | UP & UPC

Navigating the UPC

We would like to share with you Navigating the UPC, a new joint insight series developed under the Altius De Clercq initiative.

The ambition behind Altius De Clercq is to combine litigation and patent expertise into contributions that are not only visible, but genuinely useful. Navigating the UPC is part of that effort: a series focused on analysing how the Unified Patent Court is shaping patent litigation in practice.

De Clercq & Partners recognised in the WTR 1000 Guide 2026

De Clercq & Partners is pleased to announce its recognition in the WTR 1000 Guide 2026, the leading publication dedicated exclusively to trademark law.

Joost Muylle – Gold, Individuals
Thomas Baudewijn – Bronze, Individuals
Tom Liessens – Bronze, Individuals

De Clercq & Partners is also recognised as a firm in the WTR 1000, reflecting the strength and consistency of our trademark practice.

SME Fund 2026 is now open

Awards

De Clercq & Partners recognised in the WTR 1000 Guide 2026
Ann De Clercq and Liesbet Paemen Named Again as IAM Global Leaders for 2026
De Clercq & Partners celebrates our 2025 Rising Stars in Intellectual Property!
Koen Vanhalst Named One of the World’s Leading IP Strategists for 2025 by IAM Strategy 300
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