DS Defence is a leading legal firm in Toronto, Ontario, dedicated to providing exceptional representation to individuals facing Criminal and Quasi-Criminal charges. Our founder, Jason Dos Santos, is a seasoned and skilled attorney with over two decades of experience in the criminal justice system. With a proven track record of success, Jason has defended numerous clients in various jurisdictions, including the Ontario Court of Justice and the Superior Court of Justice.
About Jason Dos Santos
Jason was called to the Ontario bar in 2003 after obtaining an Honours Bachelor of Arts Degree (B.A. Hons.) at York University and his law degree at the University of Windsor (LL.B.). He began his legal career at Pinkofskys Lockyer, where he worked alongside some of the finest criminal defence lawyers in the country. After articles, Jason remained with the firm as an Associate and then a Partner, eventually leaving to open his own practice in 2010. This decision allowed Jason to provide his clients with the personalized attention and dedication they deserved.
With over one thousand criminal trials under his belt, Jason's experience in the courts has honed his skills as an aggressive and tenacious litigator. He has successfully defended matters ranging from First Degree Murder to Firearm, Drug, and Criminal Organisation Charges, as well as Sexual Assault, Impaired Driving, and Domestic Assault Charges. Jason's expertise also extends to Quasi-Criminal work, including appearances and applications before regulatory bodies such as the Liquor Control Board of Ontario, Ontario Securities Commission, and the Landlord and Tenant Board.
Why Choose DS Defence
When your reputation, financial security, and liberty are on the line, you need to make sure you have an experienced, dedicated, and aggressive legal counsel to get you the best results. Deciding who to have at your side advocating for you is one of the most important decisions you will ever make. The criminal court system can easily confuse and overwhelm someone without the right representation, leading to catastrophic results. Throughout his career, Jason Dos Santos has been providing his clients with successful results in all manner of Criminal and Quasi-Criminal matters.
Criminal charges and convictions can limit your ability to travel, ruin job prospects, and tarnish your reputation. You need compassionate, personalized attention to best understand your case and experienced, skilled, and tenacious advocacy. Jason's expertise and dedication will provide you with the best possible representation, giving you peace of mind and confidence in your case.

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