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Jason  Hanson

Jason Hanson

Partner, Employment & Labour

Key Contact: Employment and Labour

Contact Information

tel: 416.862.6633



Bar Admission

Ontario, 1982

  • University of Windsor, J.D.
  • University of Toronto, B.A.
  • Certified Specialist: Labour Law

Jason provides business solutions to employers and boards of directors on all areas of labour and employment law, including corporate transactions, executive compensation arrangements, collective bargaining, change of control agreements, privatizations, restructurings, outsourcing, alternative dispute resolution mechanisms, legislative compliance and privacy and data protection. He has represented employers before labour relations and employment tribunals and trial and appellate courts, including the Supreme Court of Canada. He also conducts investigations and works with employers in developing pro­active employment policies and procedures.  He defends corporate employers and individuals in health and safety prosecutions. Local, national and international businesses benefit from Jason’s deep and comprehensive experience grounded in his 30 year career with Osler. Jason is a former two-term elected member of Osler’s Executive Committee and the former Chair of the Firm’s National Employment and Labour Department.

    Select Reported Deals:

    • Morgan Stanley in its proposed acquisition of Solium Capital for $1.1 billion
    • Canada Mortgage and Housing Corporation on employment matters relating to the outsourcing of its information technology services department to Accenture

    Select Reported Cases:

    • Toronto Hydro v. Power Workers Unit [2017]. Successfully presented leading case on ability of employer to require attending physician's statements, which include diagnosis, to facilitate willingful accomodation
    • Toronto Hydro v. CUPE Local One [2011]. Successfully presented leading case dealing with Labour Board discretion to dismiss unfair labour practice complaints on a preliminary, discretionary basis
    • Toronto Hydro v. CUPE Local One [2008]. Successfully presented leading case dealing with organizational change across multi­location operations
    • Toronto (City) v. CUPE Local 79 [2003] 3 S.C.R. 77 (Supreme Court of Canada). Successfully presented this leading case before Canada’s highest court requiring labour arbitrators to follow the findings of the criminal courts
    • General Electric Canada v. Professional & Technical Engineers, [2002] O.L.A.A. No. 516. Successfully presented this leading case preserving management’s flexibility in assigning software design tasks despite union objections
    • General Motors of Canada Ltd. And CAW­Canada, Local 199 [2001], 93 L.A.C. (4th) 329. Successfully presented this leading case preserving management’s right to determine location of business activities

    Other Work:

    • Labour relations strategy for major business restructurings
    • Workplace change strategy in broader public sector employer leading to material decline in workplace disputes
    • Executive retention and restructuring for national and international businesses
    • Strategies for multinational employers to achieve compliance with international export control and domestic discrimination laws
    • Proactive strategies and policies in financial services, manufacturing, logistics, retail, and broader public sector

Jason’s expertise and industry knowledge has been recognized by independent agencies, including:

  • Chambers Canada: Canada's Leading Business Lawyers: Recognized in Employment & Labour (Ontario)
  • Chambers Global: The World’s Leading Lawyers for Business Lawyers: Recognized in Employment & Labour
    • ..."he's very clear, articulate, and has very sound judgement, in some fairly stressful situations.” 
    • One source notes that they "respect him a great deal and will happily use him on other matters."
    • “He is just the most calming person!”
    • “…sources praise his “excellent judgment” and “very assertive approach”.
    • An impressed source adds: "I know he's got my back, and I don't think I could ask for a better partner."
    • "...respect him a great deal and will happily use him on other matters."
    • "His reputation preceded him - I found him to be super-responsive, always getting to the heart of the issues and always crafting sensitive solutions."
  • Best Lawyers in Canada: Recognized in Labour and Employment Law
  • Legal 500: Recognized in Labour & Employment

  • The York School, former Chair of the Board
  • Established an Entrance Scholarship at Windsor Law School, presented to a student with financial need

  • Canadian Bar Association, National Labour Law Section, Honourary Executive Member
  • Ontario Bar Association
  • Law Society of Ontario, Certified Specialist in Labour Law
  • American Bar Association, Alternative Dispute Resolution in Labor and Employment Law Committee

Jason has spoken extensively, was an instructor of the Masters Programme at Osgoode Hall Law School and is the co-author of two employment law books on absenteeism and substance abuse. Jason's recent publications include:

  • Employment & Labour Law in Ontario, Lexology Navigator, 2017-2018.
  • Canadian Employment Law, Legal 500: Country Comparative Guide, 2017-2018.
  • Canadian Labour and Employment Law, Association of Corporate Counsel (ACC) InfoPak, 2015-2018.
  • Supreme Court of Canada Twin Bill: Court Addresses US Government Profiling Allegations and Clarifies What’s Required to Prove Discrimination, Osler’s Risk Management and Crisis Response Blog, August 2015 (with Allan Wells and Rhonda Shirreff).
  • Expensive Expenses, Osler’s Risk Management and Crisis Response Blog, September 2014 (with Andrew MacDougall and Patricia Wilson).
  • Restrictive Covenants in Employment Contracts: Canadian Approach, Practical Law Company, 2011.
  • Executive and Restrictive Covenants, Canadian Corporate Counsel, June 2007.