
Our team
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.

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.

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)
Jason defends every kind of criminal charge
Here are some of the charges we defend most often. We also defend charges not listed here.
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.
Crime, Nationwide
Chambers Canada, 2027
Best Law Firms: Criminal Law
The Globe and Mail, 2026
Top Criminal Law Boutique
Canadian Lawyer, 2026–27
Criminal Defence, Tier 1
Best Law Firms Canada, 2026
Best Lawyers in Canada
Criminal Defence, 2027
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].






