Guy Pinsonnault

Guy Pinsonnault

Partner at McMillan LLP
(613) 691-6125
(613) 231-3191
45 O'Connor St, Suite 2000, World Exchange Plaza, Ottawa, ON
Year called to bar: 1980 (QC)
Guy Pinsonnault is a partner in the firm's competition group where he practises in Montreal and Ottawa. His practice includes the full range of competition, anti-corruption, white collar crime, and Canadian business regulation, litigation, and advisory work, with a particular focus on Canadian and international cartel and commercial crime matters. Prior to joining McMillan, he was general counsel, competition law section, Public Prosecution Service of Canada, from 2004–12. His work as the senior prosecutor at the Competition Bureau focused mainly on the prosecution of criminal cartel matters, as well as bid-rigging and fraudulent misrepresentation, in many of the major contested competition prosecutions in that period. He also provided extensive advice in the development of the Competition Bureau policies and programs in the criminal field (e.g., the Immunity and Leniency Programs) and advised on Bureau policies and practices for search and seizure, immunity, and plea agreements. He prosecuted cases from the RCMP commercial crime division, the integrated proceeds of crime unit, and the Province of Quebec anti-corruption unit (UPAC).
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