LAWYER PROFILE
Jan Erik Janssen

Jan Erik Janssen

Europe 2026

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Ranked in 1 practice area

About

Provided by Stek

Practice Areas

Jan Erik has ample experience in EU and Dutch competition law and sector specific regulation. He litigates in administrative and civil proceedings and represents international and national corporates in various sectors before Dutch and European competition and regulatory authorities and policy makers. Jan Erik works closely together with leading international law firms on cross-border cases and litigation and has been voted best energy lawyer in the Netherlands by his peers.

Career

2006: Partner Stek; 2002: Partner Allen & Overy.

Professional Memberships

Editor Netherlands Journal for Energy Law.

Chambers Review

Provided by Chambers

Chambers European Guide

Energy & Natural Resources: Regulatory - Netherlands

Band 1
Band 1

Individual Editorial

Jan Erik Janssen has particular experience in regulatory matters, advising on contentious and non-contentious issues. His expertise includes tariff regulations and energy transport capacity issues.

Strengths

Provided by Chambers

  • Jan Erik Janssen has extensive experience and contacts in the regulatory field of the Dutch energy sector.

    Energy & Natural Resources: RegulatoryChambers European Guide
  • Jan Erik is without doubt a leading figure when it comes to the regulation of Dutch energy.

    Energy & Natural Resources: RegulatoryChambers European Guide
  • Jan Erik Janssen is very knowledgeable, practical and responsive.

    Energy & Natural Resources: RegulatoryChambers European Guide
  • Jan Erik's knowledge of the regulatory landscape is deep and comprehensive, and he has an exceptional ability to simplify highly complex frameworks for his clients, making them clear and actionable.

    Energy & Natural Resources: RegulatoryChambers European Guide
  • Jan Erik Janssen embodies excellence and is extremely experienced. He provides strategic insight and effectively supports clients in the courts.

    Energy & Natural Resources: RegulatoryChambers European Guide

Ranked Individuals at Stek (14)

Netherlands

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