Brussels + 32.2.645.15.32

Chantal Biernaux has more than 25 years of experience practicing Belgian and European labor and employment and social security law. She heads the Labor & Employment Practice in Brussels.

Chantal represents global corporations and major national companies on labor issues at collective and individual levels, including corporate restructurings (collective layoffs/closure of plants), negotiating and drafting collective bargaining agreements, managing collective and individual labor relations, and litigation. She is particularly knowledgeable in occupational pension schemes (pension funds and group insurances).

Chantal is recognized annually by Chambers Europe, where she is found by clients to be a "proactive and pragmatic lawyer" who is "good at respecting deadlines and clients' timelines" (2020); recognized as a "very flexible and available" practitioner and draws praise from clients for her "technical knowledge and to-the-point advice" (2019); her "positive approach when looking for a solution" (2018); described as "technically very strong, with good commercial awareness and timely responses" (2017); "responsive, creative and knowledgeable" (2016); "works hard and is very practical" (2015); praised for "very hands-on and focused approach" (2014); and "very personable and good at finding practical solutions when things are ambiguous" (2013).

Chantal has been a member of the Brussels Bar since 1994. In 2012, she was appointed deputy judge in the Brussels Labor Court. She is a certified mediator in labor affairs. She is a regular speaker at seminars on labor and employment-related topics.

Chantal is fluent in Dutch, French, and English and has a working knowledge of German, Russian, and Bulgarian.


  • Western Digital sold ActiveScale™ business to QuantumJones Day advised Western Digital Corporation's subsidiary Western Digital Technologies, Inc. in the sale of its ActiveScale™ business to Quantum Corporation.
  • Seal for Life acquires Flame Control Coatings, Highland International, LifeLast, and US CoatingsJones Day advised Arsenal Capital Partners ("ACP") on the four acquisitions by portfolio company Seal for Life of Flame Control Coatings, Highland International, LifeLast, and US Coatings, manufacturers of protective coating technologies.
  • BLACKB sells Darts-ip to Clarivate AnalyticsJones Day represented the various shareholders of BLACKB in the sale of all their shares to the Belgian subsidiary of the U.S. listed company Clarivate Analytics (US) LLC.
  • Western Digital sells IntelliFlash™ business to DataDirect Networks, Inc. (DDN®)Jones Day advised Western Digital Corp. in the sale of its IntelliFlash™ business to DataDirect Networks, Inc. (DDN®), a global leader in artificial intelligence (AI) and multi-cloud data management.
  • PETRONAS Chemicals acquires Da Vinci Group B.V. for €163 millionJones Day advised PETRONAS Chemicals Group Berhad (PCG) in its acquisition of a 100% stake in Da Vinci Group B.V. from its shareholders including funds managed by Bencis Capital Partners for €163 million.
  • AURELIUS sells Solidus Solutions for €330 million (US$375.6 million)Jones Day advised AURELIUS Equity Opportunities SE & Co. KGaA on the full shop auction sale of the Solidus Solutions group to funds advised by Centerbridge Partners, L.P.
  • Arsenal Capital Partners acquires Seal for Life Industries from Berry Global Group Inc. for $328 millionJones Day advised Arsenal Capital Partners on the $328 million acquisition of Seal for Life Industries from Berry Global Group Inc.
  • Platinum Equity acquires Multi-Color Corporation for $2.5 billionJones Day acted as Belgian counsel to Platinum Equity LLC in its $2.5 billion acquisition of Multi-Color Corporation, a leader in global label solutions supporting a number of the world’s most prominent brands including leading producers of home and personal care, wine and spirits, food and beverage, healthcare, and specialty consumer products.
  • UPL acquires Arysta LifeScience from Platform Specialty Products Corporation for $4.2 billionJones Day advised UPL Limited ("UPL"), a leading global generic agrochemical company based in India, in connection with its subsidiary, UPL Corporation Limited’s, US$4.2 billion acquisition and related $3 billion term financing of Arysta Lifescience Inc. (“Arysta”), a global provider of crop protection solutions, including bio-solutions and seed treatment, from NYSE listed Platform Specialty Products Corporation (“Platform”).
  • Sterigenics International acquires Toxikon Europe NVJones Day represented Sterigenics International LLC, the world’s leading, fully integrated protector of global health, in connection with its acquisition of Belgian-based Toxikon Europe NV, the European subsidiary of Toxikon Corporation, a Bedford, Massachusetts-based preclinical contract research organization.
  • Chemical company harmonizes working conditions following acquisitionsJones Day advised a leading global supplier of technology-based functional coatings and color solutions following its acquisition of local companies on its framework for the regularization and harmonization of working conditions, employment contracts, and work rules.
  • Renewable energy company seeks advice on expansion of activitiesJones Day is advising a company specializing in renewable energy, and more particularly in offshore wind energy activities, in the HR aspects of their international expansion by providing guidance on secondments, including labor, social security, and tax aspects.
  • Company in automotive sector closes plant in BelgiumJones Day assisted a company active in the automotive sector with closing its plant in Belgium.
  • International Automotive Components and Shanghai Shenda complete joint venture transaction forming AuriaJones Day advised International Automotive Components Group S.A. ("IAC") in the formation of Auria Solutions Ltd., a new global supplier of soft trim and acoustical products for the automotive industry and joint venture with Shanghai Shenda Co. Ltd. ("Shenda") .
  • Energy company terminates transfrontier employment contractsJones Day assisted an energy company with the termination of transfrontier employment contracts, including benefit plan matters, social security, and tax aspects.
  • European company restructures management, transactional, and collective dismissal procedureJones Day counseled a European subsidiary of global corporation on a variety of employment-related issues.
  • L1 Retail acquired Holland & Barrett from The Nature's Bounty Co. and The Carlyle Group for £1.77 billion (US$2.25 billion)Jones Day advised L1 Retail, the retail investment arm of LetterOne, on its acquisition of Holland & Barrett, Europe's largest health and wellness retailer, from The Nature's Bounty Co. and The Carlyle Group for £1.77 billion (US$2.25 billion).
  • Cardinal Health acquires leading patient product portfolio from Medtronic for $6.1 billionJones Day advised Cardinal Health on the acquisition of Medtronic's Patient Care, Deep Vein Thrombosis and Nutritional Insufficiency businesses for $6.1 billion in cash.
  • AURELIUS sells Getronics Group for €220 million (US$251.3 million)Jones Day advised AURELIUS Equity Opportunities SE & Co. KGaA on the sale of its subsidiary Getronics to strategic investor Bottega Invest Co S.à.r.l. for €220 million (US$251.3 million) (enterprise value).
  • Timken acquires Groeneveld Group for $280 millionJones Day advised The Timken Company in its $280 million acquisition of Groeneveld Group, a leading provider of automatic lubrication solutions used in on- and off-highway applications.
  • Speaking Engagements

    • May 23, 2019
      European Labor & Employment Conference 2019
    • May 16, 2018
      European Labor & Employment Conference 2018
    • May 18, 2017
      European Labor & Employment Conference 2017
    • May 19, 2016
      European Labor & Employment Conference 2016
    • May 21, 2015
      Jones Day's European Labor & Employment Conference 2015: Managing Change Across Europe
    • May 15, 2014
      European Labor & Employment Conference 2014: Managing Today's Employment Relationships Across Europe
    • April 18, 2013
      2013 Annual European Labor & Employment Conference
    • June 21, 2012
      European Labor & Employment related compliance issues: The latest developments in Labor law impacting local or multi-national employers
    • April 28, 2007
      Emerging Trends in European L&E Law and their Impact on Multi-National Corporations
    • April 26, 2007
      European Labor and Employment Issues Facing the Financial Services Industry
    • November 2003
      The obligation to organize social elections:  The number of workers required - Definitions of functions and voters - The chronological course of the procedure, The social elections : A last update and resume of your obligations as employer conference
    • March 2003
      The proposition of law Vandenbroucke regarding occupational pension schemes, Stibbe seminar
    • March 2003
      What is meant by 'leaving a pension plan' and what are the rules to be respected in the light of the new Law on Occupational Pension Schemes? Law Vandenbroucke on occupational pension schemes and its repercussions on life insurance conference
    • August 2002
      An overview of the new regime introduced by the new law on occupational pension schemes: the industry wide pension plans, Vandenbroucke Act on the Occupational Pension Schemes conference
    • May 2002
      Current events in labor law: Occupational pension schemes: What happens with the rights of employees regarding the occupational pension schemes (including pension funds) in case of transfer of undertaking? The actual impact of the proposition of law of Minister Frank Vandenbroucke on existing and future pension plans, Client seminar
    • January 2001
      How to prepare and conduct an effective due diligence in international business transactions? Social audit : performance factors, conference
    • February 1999
      Introduction to the labor and employment legislation, Axa Belgium conference
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