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Willem Hoorneman

Managing Partner
Advocaat

CMS
Atrium - Parnassusweg 737
1077 DG Amsterdam
PO Box 94700
1090 GS Amsterdam
Netherlands
Languages English, Dutch

Willem Hoorneman has been managing partner of CMS in the Netherlands since 2016. He is a member of the IP/TMC Practice Group, especially within Life Sciences. With energy and commitment Willem heads the Life Sciences Group in the Netherlands which stands for new growth.

With more than 30 years of experience in intellectual property (IP) and author of the patent chapters in the leading handbook on software protection in the Netherlands, Willem is considered a pre-eminent IP lawyer, and one of the very best in the field of patent law. In addition, for years he was editor-in-chief of the BMM Bulletin, a leading magazine on trademark and design law in the Benelux. Willem is internationally recognized for his expertise.

Willem has earned an excellent reputation as a litigator for various IP matters. He is also a panelist of the World Intellectual Property Organization (WIPO) for domain name alternative dispute resolution.

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Willem Hoorneman is recommended.

The Legal 500, 2019

Education

  • Dutch Law, University of Amsterdam
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Memberships

  • Head of CMS Life Sciences Sector Group
  • Managing Partner
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18/06/2019
CMS an­nounces rev­en­ues of EUR 1.36 bil­lion for 2018 and ap­points new chair­man
11/04/2019
Top rank­ings CMS in The Leg­al 500 EMEA 2019
16/01/2019
CMS event in Da­v­os: “The Power of the Plat­form: A New Busi­ness Mod­el”
26/11/2018
4 star BREEAM-NL cer­ti­fic­ate for CMS of­fice at Zui­das
17/04/2018
CMS rank­ings in The Leg­al 500 EMEA 2018
16/10/2017
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29/06/2016
Ap­point­ments at CMS: COO and head HRM
24/03/2016
CMS Neth­er­lands elects a new board of dir­ect­ors and changes its gov­ernance...
18/03/2016
CMS rank­ings Cham­bers Glob­al 2016
15/12/2015
CMS Glob­al Lifes­ci­ences For­um 2015
Shap­ing the fu­ture through in­nov­a­tion and col­lab­or­a­tion
25/11/2015
CMS Glob­al Lifes­ci­ences For­um 2015 in Frank­furt
09/10/2015
CJEU paves the way for longer SPC terms: the Seattle Ge­net­ics case