Marie-Hélène Constantin
About Marie-Hélène Constantin
Marie-Hélène Constantin is a lawyer based in Montréal, QC and has been recognized in The Best Lawyers in Canada™ since 2013. Marie-Hélène Constantin is recognized in the following practice areas:
- Montréal, Quebec
- Biotechnology and Life Sciences Practice
- Health Care Law
- Information Technology Law
- Intellectual Property Law
- Privacy and Data Security Law
Current Firm: Blake, Cassels & Graydon LLP
Location: Montréal, QC
It takes just a few minutes to optimize your profile for prospective clients and lawyers ready to refer.
Log in to your account or continue as a guest to view annual subscription pricing.
Nearby Lawyers
Robert Dorion is a partner in Gowlings' Montréal office. He specializes in business law with an emphasis on corporate, commercial, merger and acquisition and tax law. Over the years he has developed expertise in corporate re-organizations, acquisitions, mergers and consolidations, contract negotiating, public and private financing and securities. His large clientele includes public and private companies working in local, national and international economic sectors. Robert has also serv...
Nathalie Proulx is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Mergers and Acquisitions Law. Nathalie practices law in Montréal, Quebec Best Lawyers has recognized Nathalie Proulx since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Nathalie Proulx is held by other lawyers.
As a member of the administrative law team, Raymond Doray heads the information law practice and, more particularly, is involved in issues pertaining to access to information, privacy and defamation, as well as the application of the Canadian and Quebec charters of rights and freedoms. He is also specialized in constitutional law. Over the past few years, Mr. Doray has represented many public, private and media organizations before the courts in cases involving the confidentiality of document...
Benjamin Gross is a partner in the Corporate/Commercial group in our Montréal office. In this role, he advises a wide range of clients on commercial, real estate and financing transactions, including the drafting of complex documents related to PPP contracts or international and cross-border transactions. With over 25 years of experience, Benjamin’s practice focuses on financing, real estate, and mergers and acquisitions, often involving bankruptcy and insolvency, aviation and th...
Annie Bourgeois, CHRP, focuses her practice on labour and employment law. She advises employers on labour relations issues at both the collective and individual levels, particularly with respect to labour standards, workplace harassment (including conducting investigations), executive compensation, drafting employment contracts, non-compete and loyalty obligations, dismissal, disciplinary measures, protection of personal information and human rights in the workplace. Annie is versatile and as...
Catherine Maheu is a lawyer recognized by Best Lawyers in the practice areas of Employee Benefits Law and Labour and Employment Law. Catherine practices law in Montréal, Quebec Best Lawyers has recognized Catherine Maheu since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Catherine Maheu is held by other lawyers.
Mathieu Renaud is part of Fasken’s Real Estate law practice group. He joined the firm in 2016, after working in the legal affairs department of one of the largest real estate companies in the world. Mr. Renaud participated in several major real estate transactions involving foreign private and public institutional investors. Mr. Renaud practices primarily transactional real estate law. As part of the Real Estate law practice group, he acts for owners, managers, lenders, private and publ...
Josianne Beaudry is a member of the Business law group. Her practice is primarily focused on securities law, investment funds and mining law. She also advises financial sector participants on the application of regulations relating to securities and corporate governance. Ms. Beaudry assists clients carrying out public and private financings, corporate reorganizations, as well as mergers and acquisitions. She also helps publicly traded companies maintain their reporting issuer status. Ms. Beau...
Ms. Lynne Kassie is a Partner and Head of our Family Law Group. Her practice focuses on all aspects of matrimonial and family law, as well as in related fields of civil law, including succession and protective supervision. Ms. Kassie focuses her practice on complex litigation, and on cases involving high-net-worth issues, division of property and other financial issues related to business interests and trusts. Ms. Kassie also advises parties prior to their marriage or cohabitation and has ext...
Explore and Learn
What AI Visibility Means for Lawyers
by Bryan Driscoll and Josh Rupall
AI tools increasingly interpret lawyers public information. Clear, consistent and credible sources help ensure they describe legal expertise accurately.
The Best Lawyers in Canada 2027: Recognizing the Nation's Top Legal Talent
by Jamilla Tabbara
Honoring established leaders and rising practitioners across Canada's legal profession.
2027 Best Lawyers Awards: Honoring Excellence in the Legal Profession
by Jamilla Tabbara
Recognizing the outstanding attorneys leading top practice areas nationwide.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Rules on Gifting Money to Family: What to Know
by Bryan Driscoll
Generosity often runs ahead of paperwork. Here's how to give to loved ones without surprising the IRS, your estate plan or your relationships.
Who Can Override a Power of Attorney?
by Bryan Driscoll
A power of attorney carries real legal authority, but it isn't absolute. Here's who can step in to revoke, restrict or set it aside.
How to Get an Eviction Off Your Record
by Bryan Driscoll
Whether an eviction can be removed, sealed or corrected depends on your state, your case and where the record appears.