Marie-Hélène Jetté

Lawyer, Partner - Montréal

Québec Bar 1995
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Marie-Hélène Jetté, CHRP, a partner at Langlois Lawyers, has been representing and advising employers for over 25 years in the fields of labour and employment law, human rights and freedoms, and administrative law. Her skills are widely recognized in the industry, particularly in matters related to employment termination, psychological harassment, discrimination, labour standards and occupational health and safety.

Clients regularly call upon Marie-Hélène to advise on strategic questions regarding human capital management. Recognized for her practical approach and ability to mitigate risk, she advises clients on the sale or reorganization of their businesses.

Marie-Hélène has in-depth knowledge of the pharmaceutical, hospitality, arts, distribution and restaurant industries. She has participated in several negotiations as an employer’s representative and frequently intervenes before civil courts and specialized administrative tribunals.

Marie-Hélène is involved in her community and serves on various boards of directors. She is a member of the Executive Committee at Langlois Lawyers. She also received the prestigious Benchmark Litigation Award for Labour & Employment Litigator of the Year in Canada for two consecutive years (2021-2022).




Other Publications

2022 – « Le droit du travail du Québec », 8e édition, Éditions Yvon Blais

2019 ‒ “Resignation Without Notice: The Court of Appeal Rules!”, co-authored with Xavier Berwald-Grégoire, Employment and Labour Law Reporter, Volume 28, Number 11, LexisNexis Canada Inc., February 2019

2017 – Suncor takes another step towards random drug testing for employees in safety-sensitive positions

2017 – Implementation of drug and alcohol policies in safety-sensitive workplaces – breach of policy could be sufficient grounds for dismissal

2017 – Employment and Labour ‒ 2016 Year in Review

2016 – Holiday rules in Canada

2016 – August long weekend – Civic Holiday

2016 – Suncor wins this round in the battle over random drug testing, but the battle is not over

2016 – Employment and labour update

2015 – Ontario Labour Relations Board rules it does not have jurisdiction over medical marijuana workers

2015 – Ontario Superior Court offers some hope for employers defending a constructive dismissal claim

2015 – Ontario human rights tribunal awards unprecedented damages for injury to dignity, feelings and self-respect

2015 – Pension plans and orphan clauses: the Quebec Court of Appeal issues its ruling

2015 – Economic Action Plan 2015 – employment and labour law

2015 – Supreme Court ushers in new era of constitutional protection for labour rights

2015 – “Workplace Violence”, Lexpert Magazine

2015 – “Gérer les avantages et les risques des TI”, La Presse


Langlois Knowledge

External Conferences


2016 – Seminar “Ten important decisions and developments in employment and labour law in 2015”, Montréal

Professional Associations

Ordre des conseillers en ressources humaines (CRHA)
– Certified Industrial Relations Counsellor (CIRC)

Member of the board of directors of Bibliothèque et Archives nationales du Québec

Member of the board of directors of the Conseil du patronat du Québec

Advisory Council on Labour and Manpower for complaints against grievance arbitrators
– Subcommittee member

Advisory Council on Labour and Manpower for matters related to psychological harassment and multiplicity of proceedings
– Subcommittee member

2012 to 2017 – Fédération des chambres de commerce du Québec
– Member of the HR Advisory Committee

2008 to 2017 – Member of the Advisory Council on Labour and Manpower 

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