Five new partners join combination Ipsilon and NLO

The Hague, 13 May 2025

NLO, Europe’s leading intellectual property firm is proud to announce that Barend Bouma, Willemijn Gommans, Friso Onderdelinden, Peter Simonis and Huaizhou Shi joined on 1 May 2025 as partners within the newly established combination of Ipsilon and NLO. Their appointment marks an important step in the ongoing professionalisation and reinforcement of the foundation of this new partnership.

With the appointment of these five new partners following the merger of Ipsilon and NLO, we are sending a strong signal about our vision on ownership and leadership. We are proud to welcome Willemijn, Huaizhou, Friso, Barend, and Peter as partners. Their commitment, expertise and diverse backgrounds enrich the collective and form an important cornerstone for the future of Ipsilon and NLO.

Jeroen Cornelis and René van Duijvenbode - Managing Directors of NLO

This new generation of partners reflects our vision: to build a bold European leader, rooted in innovation and driven by excellence. I am proud to see Ipsilon and NLO uniting around an expanded leadership that embodies our ambition to shape the future of intellectual property and meet the needs of the most demanding clients across Europe. Together, we are building a future-ready firm — one that not only anticipates tomorrow’s challenges but already has the talent in place to address them.

Valérie Feray - CEO

The new partners each bring their own specialisation and many years of experience within the strategically designated sectors of pharma, biotechnology, life sciences, computer technology, and trademarks & designs. They will play a key role in further shaping the strategy, culture, and services of Ipsilon and NLO.

About Ipsilon and NLO

With the recent unification of Ipsilon and NLO, the largest intellectual property firm within the European Union has been formed. This strategic alliance brings together deep expertise across key domains, including life sciences (biotechnology and pharmaceuticals), chemistry, mechanics and electronics, information technology, and legal services related to trademarks and designs.

Employing over 400 professionals across offices in seven countries, the combined entity is now a leading international force in the global IP landscape. The client portfolio of Ipsilon and NLO includes a diverse group of innovative companies, such as Samsung, Heineken, Danone, L’Oréal, Essilor, and Renault.

Five new partners join combination Ipsilon and NLO

About Ipsilon and NLO

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