Lexpert Ranked Lawyer Profile

John A. Campion

Gardiner Roberts LLP

John Campion, JD (Tor), Certified Specialist, FCIArb, Mediation (Harv). Litigator, arbitrator, mediator. Ranked Lexpert®: Canada’s top 25 advocates and leading 500 lawyers (annually) for over 20 years. Has a private and public sector counsel career that continues unabated involving 300 trial, class action, appellate, and tribunal reported decisions and over 20 commercial arbitrations as arbitrator. Legal Expertise: contracts, securities, competition, energy, insurance, human rights, transportation, constitutional, economic regulation, mining, banking, pensions, government, international business, mergers & acquisitions, shareholder remedies, professional liability (e.g., directors' and officers'). Public: deregulation of the natural gas industry, Gomery Inquiry, United Nations Oil for Food Investigation, Walkerton and Bre-X class action litigation; counsel to Prime Ministers. Adjunct law professor (20 years): Osgoode and Toronto; elected Law Society of Ontario (2000–2015), Emeritus Bencher; President, Federation of Law Societies; author, lecturer. President-Empire Club; Commissioner-Elections Finance Commission; Director, Chair Audit Committee-Canadian Broadcasting Corporation. Ranked: Chambers Global, Lexpert®, Best Lawyers, Euromoney, Who’s Who Legal and Who’s Who Canada.

Year Called to the Bar:1974 (ON); 1974 (NT); 1993 (NB); 1998 (NS)
22 Adelaide St W, Suite 3600, Bay Adelaide Ctr, East Twr
Toronto, ON
Phone: (416) 865-6697
Fax: (416) 865-6636
E-mail: jcampion@grllp.com

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People Moves

Mentioned in Lexpert Publications

  • Nov 29, 2019
    A nationally coordinated class-action system remains elusive as provincial class actions conflict and come to different conclusions
  • Sep 06, 2019
    Has litigation gone completely off the rails?
  • May 28, 2019
    A look at Apotex Inc.’s successful defence of Nordion’s appeal of a Limitations Act defence. Ontario’s appellate court agreed that the limitation period did not begin to run until December 2006 ...
  • Feb 13, 2017
    After the disappointing jurisprudential results experienced by Canadian business in 2015, the landscape more than evened out this past year — which is not to say that Canadian appellate courts ...
  • Sep 06, 2016
    The rules around Canadian class actions — for decades, a work in progress — have finally found some measure of clarity. Could the Wild West era be over?
  • Jul 06, 2016
    Shape-shifting: This is the concept that will dominate litigation work over the next 35 years, and it will have a significant impact on the nature of one’s career. Day-to-day work will be constantly ...
  • Mar 29, 2016
    Provincial squabbling, Québec’s court challenge and questions about the extent of the new government’s commitment are raising questions
  • Feb 24, 2016
    Plaintiffs seeking leave to file secondary-market securities class actions in Canada will face a steeper incline than they have in the past. For this, they can thank the Supreme Court of Canada’s ...
  • Nov 28, 2014
    Allowing parties to settle with regulators without admitting fault is the latest method being used to expedite securities enforcement