Jason Dos Santos, partner and criminal defence lawyer at Daniel Brown Law in Toronto

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Jason Dos Santos.

Partner and criminal defence lawyer. Over one thousand criminal trials in Ontario’s courts.

Jason Dos Santos is a partner at Daniel Brown Law and a criminal defence lawyer in Toronto. He was called to the Ontario Bar in 2003, after earning an Honours Bachelor of Arts (B.A. Hons.) at York University and a Bachelor of Laws (LL.B.) at the University of Windsor.

Background

He began his career at Pinkofsky Lockyer, where he articled and trained under some of the country’s most respected trial lawyers. He stayed on as an associate and later became a partner at its successor firm, Pinkofskys LLP, one of the largest criminal law firms in Canada.

Court sketch of Jason Dos Santos in court

How he works

Meticulous preparation and tenacious cross-examination.

Practice

Jason has conducted over one thousand criminal trials in both the Ontario Court of Justice and the Superior Court of Justice. He defends charges ranging from first-degree murder, firearms offences, drug offences and criminal organization prosecutions to sexual assault, domestic assault and impaired driving. His meticulous preparation and tenacious cross-examination have earned him the respect of clients and colleagues alike.

Beyond criminal defence, Jason represents clients in complex quasi-criminal and regulatory proceedings, appearing before bodies such as the Alcohol and Gaming Commission of Ontario, the Licence Appeal Tribunal, the Ontario Securities Commission, and the Landlord and Tenant Board.

Community

Jason is a member of the Law Society of Ontario and the Criminal Lawyers’ Association, and a founding member of the Portuguese-Canadian Lawyers Association. He is fluent in Portuguese and can also communicate in Italian, Spanish, and French. Proud of his heritage, he regularly assists members of the Portuguese-speaking community in navigating the justice system.

Media and teaching

Jason has provided legal commentary to Portuguese-language and Canadian media, including OMNI Television and Focus Portuguese, and has lectured at York University.

Jason Dos Santos on CBC Hanomansing Tonight discussing illegal strip searches

Credentials

Courts
Ontario Court of Justice; Superior Court of Justice
Tribunals
Alcohol and Gaming Commission of Ontario; Licence Appeal Tribunal; Ontario Securities Commission; Landlord and Tenant Board
Education
B.A. (Hons.), York University; LL.B., University of Windsor
Languages
Portuguese (fluent); Italian, Spanish and French
Memberships
Law Society of Ontario; Criminal Lawyers’ Association; Portuguese-Canadian Lawyers Association (founding member)

Media and teaching

  • OMNI Television
  • Focus Portuguese
  • CBC Hanomansing Tonight
  • York University (lectures)

The strength of the whole firm, on every case

Jason is one of 16 criminal defence lawyers at Daniel Brown Law. Every client has the firm’s collective trial and appeal experience behind them, in courthouses across Ontario.

Chambers and Partners, Chambers Canada 2027, Daniel Brown Law

Crime, Nationwide

Chambers Canada, 2027

The Globe and Mail Best Law Firms 2026, Criminal Law

Best Law Firms: Criminal Law

The Globe and Mail, 2026

Canadian Lawyer Top Criminal Law Boutique 2026-27

Top Criminal Law Boutique

Canadian Lawyer, 2026–27

Best Law Firms Canada, Criminal Defence Tier 1, 2026

Criminal Defence, Tier 1

Best Law Firms Canada, 2026

Best Lawyers in Canada 2027, Daniel Brown Law

Best Lawyers in Canada

Criminal Defence, 2027

Toronto Star Readers' Choice winner seal

Toronto Star Readers’ Choice

Best Law Firm and Best Legal Services, repeat winner

Talk to Jason about your case

Consultations are confidential. Jason can be reached to schedule a consultation by phone at (416) 297-7200 x105 or by email at [email protected].