About Mark

Mark is a Partner at Lakefield and one of the firm’s most versatile and experienced court room lawyers. He has extensive civil litigation experience acting for plaintiffs and defendants, including personal injury matters, commercial and shareholders disputes, insurance defence, debt collection, defamation (libel & slander), negligent misrepresentation, estate litigation, industry standards and consumer protection and breach of contract cases. Representative work in this area includes:

  • Publication bans, privacy law, health law: Stebner v. CBC, 2019 SKQB 91
  • Commercial litigation, shareholder payouts, economic loss: Jorgenson v. ASL Paving Ltd., 2015 SKCA 66
  • Insurance matters involving relief from forfeiture, condition precedent, breach of condition: Colliers v. Lloyd’s Underwriters, 2004 SKCA 66
  • Sale of goods, breach of contract: Rack Petroleum Ltd. v. CWP Farms, QBG no 422 of 2019; Baraniski v. Shamrock Seeds Ltd., 2001 SKQB 352
  • Estate litigation: Meston Estate, QB 175 of 2014, SUR 421 of 2016, QB 973 of 2016; Oliver Estate, SUR 178 of 2019
  • Mental incapacity and contractual relations: CIBC v. Milhomens, 2004 SKQB 168
  • Scope of insurance coverage: Trew v. Nelson, 1996 CanLII 7197 (SKQB)

Mark also maintains a busy family law practice with the goal of advocating boldly for children, parents and families. He is knowledgeable and experienced in all aspects of family legal matters including adoptions, custody, divorce, child maintenance and spousal support, property division (including large farms, corporations, holding companies), tax implications, valuation of assets, interspousal agreements and pre-nuptial agreements. Mark has successfully represented his clients in many court applications, trials and appeals, including:

  • Interim and retroactive spousal support, challenging admissibility of evidence: Wongstedt v. Wongstedt, 2017 SKCA 100
  • Scope of cohabitation: Clare v. Kinar, 2016 SKQB 54
  • Fathers’ rights, publication bans, Hendricks v. Swan, 2007 SKQB 36
  • Legal conflicts of interest: Shemrock v. Shemrock, 2003 CanLII 53669 (SKQB)
  • First parallel parenting case in Saskatchewan: Hladun v. Hladun, 2002 SKQB 319

Firmly committed to protecting the legal rights of individuals, Mark also represents clients across a wide range of serious Criminal Code charges including homicide, criminal negligence, search and seizure, impaired driving, dangerous driving causing death, domestic violence and sexual assault. Mark represents clients with weapons / firearms charges, uttering threats, break and enter, major fraud and proceeds of crime matters. Mark has also handled offences under Highways and Transportation, Traffic Safety and similar regulatory legislation, often assisting individuals protect their rights when dealing with SGI and police during investigations. Mark is also knowledgeable regarding matters pursuant to the Wildlife Act for Saskatchewan and its Regulations. A few of his cases include:

  • Serious sexual assault: R. v. Olotu, 2017 SCC 11, [2017] 1 SCR 168 Supreme Court of Canada; R. v. Taiwo Onidare, 2015 Prov Ct; R. v. Timloh Butchang Nkem and Farouk Umar Sadiq, QBJ No 11 of 2013
  • Impaired driving, constitutional issues including scope of police authority to stop vehicles: R. v. Houben, 2005 SKQB 179, 2006 SKCA 129
  • Major fraud $16.8 million, R. v. Fast, 2014 SKQB 84, 161
  • Gambling addiction, fraud, R. v. Hache, 2012 SKPC 38
  • Numerous dangerous driving cases, including fatalities, R. v. Penner, 2019 Prov Ct; R. v. P. (C.T.) 2005 SKCA 123
  • Search and seizure, rights to counsel, warrantless arrest, exclusion of evidence: R. v. Langan, 2000 SKQB 67
  • Extradition, controlled substances and narcotics, USA v. Kerslake, 1996 CanLII 7203 (SKQB)

One of the first details I noticed was that whenever we spoke with Mark Vanstone was the positive attitude. I can’t emphasize enough how this sets the mood and inspires confidence.

Rob Assie

Over his 20 years of practice, Mark has held a number of prominent positions in the legal community and has published numerous articles. He served as legal counsel for the Saskatchewan Liquor and Gaming Licensing Commission, and the Discipline Committee of the Saskatchewan Veterinary Medical Association. Mark appeared as counsel at the North Battleford Water Inquiry, and has conducted civil and criminal legal cases in Alberta and Saskatchewan at all court levels, and has appeared in the Supreme Court of Canada.

In his spare moments Mark is an avid downhill skier, traveling the powder highway each winter in search of the steep and deep. He is also at home in our northern woods in pursuit of big game, but is mostly drawn to the peace and quiet of the forest and lake country of northern Saskatchewan. Always up to something, Mark is currently renovating a 1950s bungalow with his lovely wife, Vanesa, their three children having mostly flown the nest.

  • Professional Director (Pro. Dir), Johnson-Shoyama Graduate School of Public Policy (2014)
  • Bachelor of Arts, English, University of Saskatchewan (1990)
  • Bachelor of Laws, University of Saskatchewan (1994)
  • Recipient of the Durward Thomas Prize for highest academic standing in civil procedure
  • Admitted to the Saskatchewan Bar (1995)
  • Past President, Saskatchewan Trial Lawyers Association
  • Past Director and Vice-Chair, Saskatchewan Polytechnic (formerly SIAST)
  • Past Chair, Saskatchewan Legal Aid Commission Appeal Committee
  • Past Coach, U of S Law Student teams, MacIntyre Western Canada Trial Cup Moot 
  • Contributor, The Advocate
  • Contributor, National Criminal Law Program
  • Volunteer, CLASSIC
  • Volunteer, Pro-Bono Students Canada – Community Legal Assistance Services for Saskatoon Inner-City Inc.
  • Saskatchewan Criminal Defence Lawyers Association
  • Saskatoon Bar Association
  • Canadian Bar Association, Saskatchewan Branch
  • Saskatoon Wildlife Federation
  • Saskatchewan Bow Hunters Association
  • Canadian Shooting Sports Association
  • Saskatoon Retriever Club
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