David Assor

[email protected]

514.451.5500 (ext. 321)




David spent the first ten years of his careers practicing commercial and civil litigation in well-known and well-respected local and national law firms.  In 2011, David founded Lex Group Inc.  He has extensive experience in the following fields:

  • General commercial and civil litigation;
  • Class action litigation;
  • Intellectual Property litigation;
  • Corporate and commercial legal services;
  • Trade-marks.

David pleads regularly before all levels of the Courts of Quebec as well as before the Federal Court of Canada (both in first instance and in appeal).

He provides his clients (corporations or entrepreneurs) with the full range of corporate/commercial advice and legal services, including the setting up of corporations or partnerships, and the drafting of contracts such as shareholders’ agreements, employment agreements, leases, purchase agreement and other types of commercial contracts.

David is also a registered trade-mark agent in Canada and is recognized by the United States Patent and Trademark Office to present and prosecute trademark applications in the United-States of America on behalf of his Canadian clients.

David has instituted and is leading many Class Actions against major corporations and manufacturers, chartered banks, automakers, hospitals/doctors, and the government.  He regularly coordinates his class action efforts with attorneys in other Canadian provinces and in the United-States and has settled multiple class actions on a national basis.

David has been a repeat guest lecturer on the topic of class actions at the McGill University Faculty of Law.

He is a Wexner Heritage Fellow (Class of 2019), a prestigious leadership training institute founded by businessman and philanthropist Leslie Wexner, Chairman of L Brands, a global retail empire that includes Victoria’s Secret and Bath & Body Works.

Call to the Bar

  • Quebec Bar (2001)


  • Bachelor of Law degree (L.L.B.), University of Montreal (2000)
  • Post-graduate degree in North American Common Law (D.E.S.S.), University of Montreal (2003)
  • Juris Doctor in North American Common Law (J.D.), University of Montreal (2014)


  • Member of the board of directors of the Lord Reading Law Society – Liaison with the Bar
  • Member of the Quebec Bar’s Disciplinary Committee
  • Member of the Bar of Montreal’s Access to Justice in the English Language Committee (2016-2019)


  • English
  • French
  • Hebrew