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Our partners

At De Clercq & Partners, our strength lies in our people. Founded in 1999 by Dr. Ann De Clercq in Latem, our firm began with a clear mission: to provide expert intellectual property services with a client-focused approach. Over the years, we expanded our presence, to Leuven and Hasselt to better serve our growing client base.

We take great pride in being a female-founded firm, built on Ann’s vision of delivering tailored IP strategies for inventors, businesses, and global brands. Our commitment to innovation and excellence has been further strengthened through strategic moves reinforcing our expertise and enhancing our service offerings.

Today, our partners continue to lead with the dedication and forward-thinking approach that has defined us for 27 years. In April 2026, Tom, Kris, and David joined the partnership.

Learn more about our partners

Ann De Clercq

Ann De Clercq, PhD

Founding Partner, Partner, European Patent Attorney, European Patent Litigator / UPC Representative, Belgian Patent Attorney

Koen Vanhalst

Koen Vanhalst, PhD

Partner, European Patent Attorney, European Patent Litigator / UPC Representative, Belgian Patent Attorney

Sakina Bounaga

Sakina Bounaga, PhD

Partner, European Patent Attorney, European Patent Litigator / UPC Representative

Andrej Michalík

Andrej Michalík, PhD

Partner, European Patent Attorney, European Patent Litigator / UPC Representative

David Lesthaeghe

ir. David Lesthaeghe, PhD

Partner, European Patent Attorney, European Patent Litigator / UPC Representative, Belgian Patent Attorney

Kris Pappaert

ir. Kris Pappaert, PhD

Partner, European Patent Attorney, European Patent Litigator / UPC Representative

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