
Litigation: Securities
Canada Guide 2026 : Ontario
Rankings

Ranked Individuals
Ranked Individuals
Chambers Review
Provided by Chambers
Work Highlights
Provided by Chambers
Cassels Brock & Blackwell represented Donald Alexander Goss, a former Olympic medallist and senior securities broker, in an OSC prosecution alleging insider trading and tipping in advance of a CAD4.5 billion acquisition.
Strengths
Provided by Chambers
Cassels takes a highly sophisticated approach to applying their deep legal knowledge in complex situations.
Litigation: Securities respondentCanadaThe team has the ability to take legal issues and explain them in terms of business impacts.
Litigation: Securities respondentCanadaIt is a full-service firm with national coverage and specialisation in our industry.
Litigation: Securities respondentCanadaCassels provides very efficient and thoughtful handling of matters that require more than just legal considerations.
Litigation: Securities respondentCanadaThe lawyers are practical and collaborative.
Litigation: Securities respondentCanada
Notable Practitioners
Provided by Chambers
Band 2 
Band 2 
Lara Jackson
Toronto-based Lara Jackson impresses for her leadership of a number of high-profile litigation files, including those for clients in the mining and cannabis sectors. She is particularly well known for her expertise in securities.
Lara is very thoughtful and attentive to both the legal and non-legal issues raised by the litigation she handles, resulting in very valuable advice for our business.
Litigation: Securities respondentCanadaShe is cool under pressure and incredibly smart.
Litigation: Securities respondentCanada
Band 3 
Band 3 
John M. Picone
John Picone has attained a strong reputation for his litigation practice, which focuses on advising clients on securities and shareholder litigation and defending regulatory enforcement. He is based in Cassels Brock & Blackwell's Toronto office, where he co-chairs the securities litigation group.
John is smart, knowledgeable and a good strategic thinker.
Litigation: Securities respondentCanadaHis determination and knowledge provide us the confidence we need.
Litigation: Securities respondentCanadaJohn is capable, commercial and efficient.
Litigation: Securities respondentCanadaHe is a practical and outstanding adviser.
Litigation: Securities respondentCanada
Ranked Individuals at Cassels Brock & Blackwell LLP (3)
Cassels Brock & Blackwell LLP has rankings in the following guides
Band 5 Canada 2026
Practice area: Litigation: General Commercial
Location: Alberta
View department profile for Canada 2026
What success is built on
Chambers is the leading data and intelligence partner for the legal sector.