Lawyer Profile
Simon Seida
Montréal, Québec

Overview
Simon's practice covers various fields of commercial litigation, including disputes between competitors, public procurement matters, professional malpractice and post-closing disputes. A seasoned class action litigator, Simon has defended corporations in over 50 class actions, principally in consumer and competition matters, including multi-jurisdictional and highly mediatized ones. In the course of his practice, he regularly appears before courts and administrative tribunals in Quebec and has conducted several civil and penal trials, including multiple class action merits trials and appeals.
Simon also advises corporations and individuals in relation to regulatory or criminal matters, such as anti-corruption, competition, securities or financial matters. In this context, he advises clients in conducting internal investigations and in responding to investigations by government authorities or commissions of inquiry. He also defends clients in enforcement proceedings brought by government authorities and self-regulatory organizations, including public prosecutors and securities regulators.
Simon has advised national and international corporations on various matters dealing with dispute avoidance, corporate governance and compliance with specific statutes in Quebec and Canada.
Defended corporations in more than 50 consumer and competition-related class actions
Defended the executive of a public company in a highly mediatized securities class action
Represented the mutual insurer of the large accounting firms in civil proceedings related to the longest-running judicial saga in Canada
Advised corporations during the course of investigations by government authorities, including during the execution of search warrants
Represented a mining company in the context of one of the most important environmental investigations in Canada
Practice Areas
Bar Information
Called to the bar: 2009 (NY); 2010 (QC)