J.David Watson


Rachel Mendoza
Administrative Assistant
416.226.0055 ext. 23

  • Bio
  • Education & Affiliations
  • Decisions

J. David Watson is counsel to and a founding member of Watson Jacobs Bosnick LLP. He has appeared on behalf of many trade unions, trust funds, associations and individuals before a wide array of tribunals and courts including Arbitrators and Boards of Arbitration, Federal and Provincial Labour Relations Boards, the Human Rights Tribunal of Ontario, the Workplace Safety and Insurance Board and Appeals Tribunal, as well as various other administrative boards. David has also represented clients before the courts in both civil and criminal matters.

David has over 30 years’ experience representing clients in labour, employment, human rights and other related areas of law, including civil and criminal litigation in thousands of proceedings. His expertise has been repeatedly recognized by his peers. He has been consistently recommended in the “Canadian Legal Lexpert Directory” as an expert in his area of specialization.

Recently, David has become involved in alternative dispute resolution. Over the past two years David has acted as a mediator for the Licence Appeal Tribunal and in this capacity he has effectively mediated hundreds of claims for statutory accident benefits.


  • McMaster University; BA, 1977
  • Osgoode Hall Law School; LLB, 1981
  • Law Society of Upper Canada, Bar Admission Course, 1983
  • Member, Ontario Bar Association
  • Member, Advocates Society


  • The Advocates’ Society
  • The Canadian Bar Association
  • The Law Society of Upper Canada
  • Canadian Association of Labour Lawyers

Re Moore Packaging Corp. and the Canadian Paperworkers Union, Local 1150, [1993] 34 LAC (4th) 293

E.M. Carpentry (1982) Limited, 1989 CanLII 3086 (ON LRB)

Repla Limited, 1990 CanLII 5637 (ON LRB)

Paperboard Industries Corporation, 1992 CanLII 6373 (ON LRB)

Re Ontario Store Fixtures and United Brotherhood of Carpenters & Joiners of America, Local 1072 (Phinn), [1993] 35 LAC (4th) 187

Re Corporation of City of North York and Canadian Union of Public Employees, Local 94, [1994] 43 LAC (4th) 52

G.S. Wark Ltd., [1996] OLRB Rep. September/October 811

Re Corporation of the City of North York and North York Civic Employees Union, CUPE Local 94, [1996] 53 LAC (4th) 1

Re John Ziner Lumber Ltd. and Teamsters Union, Local 230, [1996] 56 LAC (4th) 429

Re Sunworthy Wallcoverings and Communication, Energy and Paper Workers Union, Local 304, [1999] 80 LAC (4th) 28

Loris Brusut, 2005 CanLII 30064 (ON LRB)

Fernbrook Homes Ltd., 2006 CanLII 30576 (ON LRB), 2006 CanLII 34118 (ON LRB)

Re Toronto Parking Authority and Toronto Civic Employees’ Union, Local 416 (Rodriguez), [2007] 167 LAC (4th) 222

Re Toronto Community Housing Corporation and Toronto Civic Employees’ Union, Local 416 (Polito), [2008] 179 LAC (4th) 209

Pre-Eng Contracting Ltd., 2008 CanLII 17078 (ON LRB)

The International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers, Local 128, 2012 CanLII 66861 (ON LRB)

PCL Constructors Canada Inc., 2013 CanLII 57379 (ON LRB)

Advance Forming Ltd., 2014 CanLII 30342 (ON LRB)

Manalco Contracting Ltd., 2014 CanLII 55226 (ON LRB)

Re John Ziner Lumber Ltd. and Teamsters Union, Local 230, [2015] 254 LAC (4th) 98

B. Gottardo Ltd. o/a Gottardo Construction, 2015 CanLII 9910 (ON LRB)

City of Toronto and Toronto Civic Employees’ Union, Local 416 (Murle), [2015] 254 LAC (4th) 98

Ellis Don, [1984] OLRB Rep. October 1398