Our Team
Michael Lacy


T: 416-360-2776  | 
F: 416-362-8410  | 

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Bar Admission


Areas of Expertise

Criminal Appeals

Criminal Law

Professional Regulation/Discipline Proceedings

Limited Civil Litigation

Regulatory Compliance & Defence

I am a partner in the criminal law group primarily focusing on criminal trials and appeals. I also do professional regulation/disciplinary work and some litigation work. A substantial part of my practice is devoted to appeals. I have appeared at all levels of Court in Ontario, at Courts of Appeal in Saskatchewan and New Brunswick and also at the Supreme Court of Canada. I am currently the President of the Criminal Lawyers’ Association (Ontario), which is the largest association of criminal defence lawyers in Canada.

“Invited Member of the Supreme Court Advocacy Institute” which provides free, non-partisan advocacy advice to lawyers appearing in an appeal before the Supreme Court of Canada.

The Practitioner's Ontario Criminal Practice Annotated Rules – Annual publication since 2015

Co-authored "Charter Guarantees to Those Charged with a Criminal Offence" in R. Gilliland, The Charter at Thirty (Canada Law Book)

2002 and 2007 was the Editor of the Weekly Criminal Bulletin.


  • R. v. Oland 2017 1 SCR 250: Acted for intervener on issue of judicial interim release pending appeal. Webcast of oral argument following counsel for the Appellant can be found here.

  • Goodwin v. British Columbia (Superintendent of Motor Vehicles) 2015 SCC 46
    Acted for intervener on issue of fairness of administrative penalty regime in drinking and driving context. Webcast of oral argument can be found here.

  • R. v. Walle 2012 SCC 41
    Acted for intervener on "sane and sober" inference instruction where accused had mental deficits

  • R. v. Deschamplain 2004 SCC 76
    Counsel for Appellant on issue surrounding sufficiency of evidence for committal to stand trial

  • R. v. Asante-Mensah 2003 SCC 38
    Counsel for Respondent on issue of lawfulness of citizen's arrest and detention powers

  • R. v. Sharpe 2001 SCC 2
    Co-counsel for intervener on issue of constitutionality of child pornography provisions

  • R. v. Melnichuk [1997] S.C.J. No. 36
    Junior counsel for appellant on permissible scope of reply evidence


  • R. v. Messer (2013) 405 N.B.R. (2d) 279
    Inadequate reasons and flawed approach to reasonable doubt leads to new trial order for police officer


  • R. v. Charles CACR2518
    Appeal against convictions for weapons offence allowed on consent where trial judge drew improper adverse inference

COURT OF APPEAL FOR ONTARIO (2016 to 2017 cases only)

  • R. v. Grandine 2017 ONCA 138: Trial judge improperly leaving alternative theory of liability with jury on manslaughter conviction

  • R. v. M.G.T. 2017 ONCA 736: Fresh evidence application and Crown policy of not automatically providing 9-1-1 recording

  • R. v. Boukhalfa, 2017 ONCA 660: Provocation and admissibility of statement in context of second degree murder conviction

  • R. v. Saikaley, 2017 ONCA 374: Criminal interest rate convictions set aside and various other legal issues dealt with

  • R. v. J.N.D., 2017 ONCA 666: Sentence upheld for Aboriginal offender convicted of serious sexual offence

  • R. v. Wills, 2016 ONCA 965: Sexual offences against children set aside

  • R. v. Rocchetta 2016 ONCA 577: Sentence reduced on appeal for aggravated assault

  • R. v. Geroge 2016 ONCA 464: Dangerous offender proceedings

  • R. v. Labonte 2016 ONCA 426: Convictions for robbery and aggravated assault set aside

Over 100 cases argued at Court of Appeal for Ontario. Those judgements can be found here through a name search “Lacy”: http://www.ontariocourts.ca/decisions/search/en/search.php