Marlous Stal-Hilders

Managing partner

Partner since 2004

Trademark and design attorney and legal advisor

Marlous joined NLO in 1996.



Marlous is engaged in the management of NLO and NLO Shieldmark. She also manages the trademark and design portfolios of several multinationals and big national and international companies in various sectors. She specialises in consultancy relating to portfolio management and strategy. She advises and mediates in cases involving infringement of intellectual property rights and conducts opposition procedures and rejection cases. She also negotiates and draws up relevant agreements, including coexistence agreements and transfer deeds.



Marlous is a registered Benelux trademark and design attorney (1995) and European trademark and design attorney (2000). She graduated from the Faculty of Law at Leiden University (Netherlands, 1994) specialising in Intellectual Property.


Member of

Marlous is a member of International Trademark Association (INTA), Licensing Executives Society (LES), MARQUES, European Community Trade Mark Association (ECTA), The Pharmaceutical Trademarks Group (PTMG), the Dutch Group of the International Association AIPPI and UNION. She is the editorial secretary of the BMM Bulletin and member of the legislation committee which advises various legislative authorities on behalf of BMM. She is also a member of the Legislation and Regulation Committee - Europe Subcommittee of the INTA at European level. In both committees, Marlous advises on new legislation relating to trademark and model law.


More information

Marlous' work for multinational and medium-sized companies calls on all her expertise in the above mentioned areas, especially her work for companies that are actively involved in life science and electronics. She cooperates in teams with patent attorneys from various sections, enabling NLO to assist its clients in all IP fields. Marlous is the author of several publications in magazines such as IAM, Managing Intellectual Property, BMM Bulletin (published by the Benelux Trademark Association) and Elsevier Voedingsmiddelen Industrie.






Protecting and strengthening brands at Danone

When Isaac Carasso founded Danone, the company introduced Spanish doctors to the health benefits of yogurt. The yogurt was named after the founder's...
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Fortify #4 spring/summer 2016 edition online

Fortify is the business relation magazine published twice a year by NLO and NLO Shieldmark. It contains interviews, news and background articles,...
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NLO opens office in Ghent (BE)

On 1 September 2015, NLO is opening a full service IP office in the Technology Park in Ghent. Based in the brand new AA-Tower, at the heart of the Zwijnaarde innovation campus, a team of patent attorneys will further expand existing activities in the Belgian market.


The opening of the Ghent office follows intensive market research. Herman de Haan, CEO of NLO: “Represented by an extensive and strong network of agencies, NLO has been a presence in the European market for many years with its patent, trademark and design activities. Read more