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Business Details
16 Years
experience
Trusted Criminal Defense Lawyers Toronto
At DS Defence, we bring decades of dedicated legal expertise to every case we handle. Founded in 2010 by Jason Dos Santos, our firm builds upon extensive experience gained through over 1,000 criminal trials and hundreds of bail hearings across Ontario. Our practice focuses exclusively on criminal and quasi-criminal law, with a proven track record in defending serious charges including first-degree murder, drug trafficking, firearm offenses, and sexual assault.

We combine aggressive litigation skills with personalized attention, ensuring each client receives strategic representation tailored to their unique circumstances. Our team maintains active memberships in prestigious legal associations while serving clients throughout the Greater Toronto Area and beyond. With fluency in Portuguese and deep community ties, we provide culturally sensitive legal counsel grounded in integrity and results-driven advocacy.
Services
Criminal Law Bail Hearings Drug Offenses Firearm Charges Sexual Assault Defense Regulatory Offenses Youth Criminal Matters Immigration Appeals Constitutional Challenges Weapons Offenses
Details
  • Year established: 2010
Highlights and features
  • We have over 20 years of experience in criminal defense law
  • Our founder has handled 1,000+ criminal trials in Ontario courts
  • Specialized focus on complex criminal and quasi-criminal cases
  • Fluency in Portuguese for culturally responsive legal services
  • Proven track record in defending serious charges including murder and drug trafficking
Services
Criminal Defense
DS Defence provides comprehensive criminal defense for charges ranging from assault to homicide. Our experienced team develops tailored strategies to protect clients' rights and reputations. We handle all stages of criminal proceedings with aggressive advocacy in court.
Bail Hearings
We specialize in urgent bail hearings and reviews to secure release for clients facing criminal charges. Our team works swiftly to present compelling arguments for bail conditions that protect clients' interests while meeting legal requirements.
Drug Offenses
Our firm defends clients against drug trafficking, possession, and importation charges. We challenge evidence and develop defense strategies targeting procedural violations and constitutional breaches to achieve charge reductions or dismissals.
Firearm Charges
We handle complex firearm possession and trafficking cases with technical expertise in weapons classification and licensing regulations. Our defense strategies focus on challenging search and seizure procedures while protecting clients' constitutional rights.
Sexual Assault Defense
Our team provides sensitive yet aggressive representation for sexual assault allegations. We thoroughly investigate evidence, challenge credibility issues, and develop defense strategies to protect clients' futures while maintaining professional courtroom conduct.
People
Jason Dos Santos
Founder & Criminal Defense Lawyer
Called to the Ontario bar in 2003, Jason has over 1,000 criminal trial experiences. Former partner at Pinkofskys LLP, he specializes in complex criminal cases including murder, drug trafficking, and regulatory offenses while maintaining active legal association memberships.
Questions
What areas of law does DS Defence specialize in?
DS Defence focuses exclusively on criminal and quasi-criminal law, including drug offenses, firearm charges, sexual assault cases, and regulatory matters.
What experience does Jason Dos Santos have?
Jason has over 20 years of experience with 1,000+ criminal trials, including complex cases involving murder, drug trafficking, and criminal organizations.
Do you handle cases outside Toronto?
Yes, we represent clients throughout Ontario with court appearances in cities including Barrie, Hamilton, London, and Mississauga.
Are consultations free?
Yes, we offer free initial consultations to discuss your case and legal options.
Do you provide Portuguese language services?
Yes, our founder is fluent in Portuguese and provides culturally responsive legal counsel.
What makes DS Defence different from other firms?
Our focused expertise in criminal law, courtroom experience, and personalized approach set us apart in defending client rights.