Sidney M. Horn

Louis is a partner of the firm. Member of the Quebec, Ontario, and New York bars, he has been practicing civil and commercial litigation and arbitration since 2004. He regularly represents clients before both trial and appellate courts, as well as before domestic and international arbitral tribunals. He has particular expertise regarding contractual disputes, corporate and shareholder litigation, manufacturers’ liability, insolvency, employment law, private international law and injunct...

Author of “Drug and Health Products Law in Canada” with a Doctor of Law degree, Mathieu Gagné is recognized as a leading lawyer in drug and other health products (medical devices, cosmetics, natural health products, etc.) related laws. He advises and represents various stakeholders in the health and life sciences sector. Mathieu has a unique knowledge of the legal framework governing drugs and other health products, from their inception in the lab to their consumption. Well...

Jean-Philippe Brunet is one of the few Quebec lawyers to have devoted his entire career exclusively in advising businesses and business people on immigration matters. He has been practicing for more than 25 years in Montreal, first in a leading boutique firm, then as a partner and head of the national business immigration team at an international firm and finally as a founding and managing partner of Galileo Partners since 2016. For nearly 15 years now, he has been on the most recognized lega...

Mr. Barry H. Shapiro is a partner in our Business Law and Estates, Wills and Trusts groups. His practice focuses on mergers and acquisitions, business and corporate law, real estate, and wills and estates. He is frequently asked to advise clients on various matters relating to their businesses or personal estate planning.

Your interests are Louis Samuel’s priority. Louis is a member of the board of directors and head of the Commercial Litigation team. His practice focuses on real estate and estate litigation, and his clientele consists primarily of real estate owners, developers and brokers. Over the years, he has developed unique advocacy skills and handles a wide array of disputes pertaining to estates and estate liquidation, including disputes involving liquidators, administrators, trustees and heirs....

Léa works primarily in civil and commercial litigation, in the real estate, commercial leasing, construction and condominium sectors. Over the years, Léa has handled a wide range of civil litigation cases. Her clients include real estate developers, property managers, real estate investors and general contractors. Her expertise in commercial leasing has led her to advise clients on the interpretation of their leases and the remedies available to them. She advises her clients on ...

Caroline Émond is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Caroline, who practices law in Montréal, Quebec, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Caroline is held by other top lawyers in the same geographic and legal practice area.

Fanny Albrecht is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. Fanny, who practices law in Montréal, Quebec, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Fanny is held by other top lawyers in the same geographic and legal practice area.

Dean Koumanakos is a partner and a member of the Mergers & Acquisitions Group. He served as Managing Partner of the London Office for over seven years. His practice focuses primarily on advising foreign and domestic clients on a range of mergers and acquisitions, buyouts, strategic and private equity transactions, corporate finance matters as well as insolvency-based restructurings workouts, and related transactions. Dean’s clients include U.S., Canadian and foreign public, private ...

Claudia Déry is the Canadian co-head of our construction and engineering team. She has advised and represented before the courts a number of clients in construction-related matters, including major public-private partnership projects. She has experience in drafting tender documents and construction law topics and conducts the annual review of construction case law for the Canadian Bar Association. She has been ranked in the Best Lawyers in Canada since 2006 in the area of construction ...