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Phil Stiles

“The truth is incontrovertible. Malice may attack it, ignorance may deride it, but in the end, there it is.” – Sir Winston Churchill



  • Call to the Bar, Alberta, 2015
  • Call to the Bar, Ontario, 2013
  • LL.M., Osgoode Hall, 2018
  • LL.B., University of Windsor, 2011
  • B.A., Political Science, Trent University, 2007

As a former Crown prosecutor, Mr. Stiles brings a wealth of knowledge and experience to the Aitken Robertson team.

After completing a two-year contract with Alberta Justice and Solicitor General, Mr. Stiles returned to Ontario to finish his masters degree in constitutional law. As a Crown, Mr. Stiles became accustomed to rigorous criminal litigation, often acting as lead counsel in cases involving expert witnesses and complex evidentiary issues. He has prosecuted a wide range of offences in various levels of court–from traffic matters to a Queens Bench jury trial. His courtroom experience includes cases involving:

  • Arson
  • Mischief
  • Break and enter
  • Robbery
  • Theft (over and under $5000)
  • Auto theft
  • Fraud
  • False pretense
  • Uttering threats
  • Extortion
  • Assault (aggravated, assault causing bodily harm and assault with a weapon)


  • Sexual offences
  • Criminal harassment
  • Possession of prohibited weapons (tasers, switchblades etc.)
  • Firearms offences
  • Dangerous driving causing death
  • Obstruction of justice

As a Crown, Mr. Stiles also dealt with many impaired driving, over .08 and refusal cases. This experience left him with a very thorough understanding of the Crown’s proof requirements as well as the range of viable defences available to the accused when faced with driving-related charges. Also, having completed an LL.M. in constitutional law, Mr. Stiles has a firm grasp of his client’s Charter rights in all stages of the criminal process. This is particularly important in the context of impaired driving, where even the slightest breach of the accused’s rights can lead to an acquittal at trial.

Mr. Stiles’ combination of education and hands-on experience is a crucial asset when defending against criminal allegations. From minimizing risk to vigorous litigation at trial, Mr. Stiles strives to ensure best outcomes for all his clients. Since beginning with the firm, his hard work and dedication has routinely paid off in the form of non-criminal resolutions, discontinued prosecution and not guilty verdicts at trial.

Mr. Stiles primarily works out of the Oshawa Office, but he still does considerable amount of work in the Peterborough, Lindsay areas.

Mr. Stiles is a very proud Trent University alumnus and is thrilled to call Peterborough home again. As an avid outdoorsman and someone who much prefers smaller community living, Peterborough offers the lifestyle and collegial work environment he values.

Philip Stiles is a lawyer and is licensed by the Law Society of Ontario.

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