Known for her creative use of litigation technology and excellent advocacy skills, Chantelle provides clients with innovative solutions in complex civil litigation matters.
Chantelle advises clients of all sizes across a wide range of civil litigation matters, including complex commercial disputes, competition disputes, securities disputes and misuse of confidential information claims. A significant portion of Chantelle’s practice involves the defence of national and cross-border class actions, including respecting allegations of anti-competitive conduct. Clients particularly appreciate Chantelle’s practical and analytical approach, as well as her unflappable manner.
Chantelle is at the forefront of the use of litigation technology, and regularly consults on best practices for paperless litigation. A frequent lecturer and author, Chantelle often presents for organizations such as the Law Society of Ontario, the Canadian Bar Association and The Advocates’ Society.
Chantelle sits on the Board of Directors and acts as the Chair of the Governance and Risk Management Committee of Earth Rangers, a not-for-profit organization that educates children about biodiversity and environmental sustainability.
Frank Stronach, founder of Magna International Inc.
Acting as counsel to the founder of Magna International Inc., Frank Stronach in legal proceedings commenced by Frank Stronach and his wife Elfriede Stronach before the Ontario Superior Court (Commercial List) against their daughter Belinda, Alon Ossip (former senior executive of Magna International Inc. and CEO of The Stronach Group), and others. The lawsuit alleges that Belinda Stronach and Alon Ossip conspired to deceive Frank and Elfriede and to take control of the Stronach family empire, and claims damages for oppression, breach of trust and breach of fiduciary duty in the amount of $520 million.
SK Hynix America Inc.
Acting for SK Hynix America Inc. in its defence of multiple class actions across Canada alleging anti-competitive conduct in respect of the sale of dynamic random-access memory (DRAM) chips, including with respect to cross-border issues arising out of parallel U.S. class actions.
Delta Air Lines
Acting for Delta Air Lines in defending a multi-billion dollar proposed class action alleging a conspiracy to constrain the capacity of the passenger airline industry in North America.
Giant Tiger Stores Limited
Acting for Giant Tiger Stores Limited in its defence of multiple class proceedings commenced across Canada (including Ontario, British Columbia, Saskatchewan, Alberta, Manitoba, Québec and the Federal Court) relating to alleged price-fixing of commercial bread products in Canada at the wholesale and retail levels.
Ontario Lottery and Gaming Corporation
Successfully acted for the Ontario Lottery and Gaming Corporation in a judicial review application concerning the selection process for an operator of the Niagara gaming bundle. This litigation arose out of the Ontario Provincial Government's modernization of gaming in Ontario. The City of Niagara and Region of Niagara had alleged that they had been given insufficient input and/or control over the selection process.
Morgan Stanley Canada Limited
Acted for Morgan Stanley Canada Limited in a class action instituted against 12 global banks based on an alleged conspiracy to artificially fix foreign currency exchange rates.
Ontario Lottery and Gaming Corporation
Acting for the Ontario Lottery and Gaming Corporation (OLG) defending allegations that OLG owes a duty of care to prevent "problem gamblers" from gambling in OLG's commercial casinos.
Kawasaki Motors Corporation, USA
Acting for Kawasaki Motors Corporation, USA in its defence of class actions commenced in Canada alleging price-fixing and misleading advertising in respect of the sale by others of lawn mowers in Canada.
Acted for HudBay Minerals Inc. in a large, complex international arbitration in Lima, Peru arising out of the construction of the Constancia Mine.
Detour Gold Corporation
Acted for Detour Gold Corporation in a securities class action involving alleged breaches of the public disclosure requirements of the Securities Act (Ontario) in relation to the company's production and cost guidance during the ramp-up of the Detour Lake Mine, and to details of one of the company's credit agreements.
Top Court Expands Scope of Potential Liability in Price-Fixing Class Actions
Sept. 24, 2019 - The Supreme Court of Canada has released its long-awaited decision in two companion appeals that have significant implications for class actions alleging conduct that contravenes the criminal provisions found in Part VI of the Competition Act (Act). In its decision in Pioneer...
Canadian Corruption of Foreign Public Officials Act: Two Additional Convictions in the Cryptometrics Saga
Mar. 27, 2019 - Two individuals were recently sentenced to 30 months’ imprisonment after being convicted of agreeing to bribe a foreign public official, under the Canadian Corruption of Foreign Public Officials Act (Act).1 These are the second and third convictions under the Act following a trial. In all...
Canadian Bar Association, Competition Law Section, “Managing The Civil and Criminal Aspects of A Cartel File”; Toronto, ON
Mar. 07, 2019
Co-chair, Ontario Bar Association, Young Lawyers Division Program, “Your First Civil Trial”; Toronto, ON
Mar. 01, 2019
Welsh v. Ontario: Regaining Predictability in the Settlement and Fee Approval Process, but at What Cost?, co-author
Feb. 25, 2019 - Ontario Bar Association
Read this article.
Co-chair and moderator, Law Society of Ontario, Class Actions Update; Toronto, ON
Nov. 08, 2018
Canadian Bar Association, Competition Law Fall Conference, “Is That a Conspiracy?”; Ottawa, ON
Sept. 27, 2018
In the News
Chantelle Cseh Speaks to Law Times About Interaction Between Arbitration Clauses and Class Actions
Aug. 28, 2018 - In an article published recently in Law Times, Davies partner Chantelle Cseh speaks about the enforceability of arbitration clauses in class actions involving two types of claimants. The Ontario Court of Appeal in Wellman v Telus Communications Company had refused to grant a...
Moderator, Northwind Professional Institute, 2018 Class Actions Invitational Forum, “Emerging Issues”; Cambridge, ON
June 12, 2018
Warning to Public Companies: Just Because You’re Right Doesn’t Mean It’s Not a Misrepresentation
May 31, 2018 - In a decision that will surprise public company executives and advisers, an Ontario court held that a public company that declined to disclose a consultant’s opinion because it honestly believed the consultant was wrong – and the company later turned out to be correct – might nonetheless be liable...
Osgoode Hall Law School—Alumni Gold Key Award, One-to-Watch (2019)
Lexpert Zenith Award—Celebrating Change Agents in Law (2019)
Chambers Canada Award—Litigation Firm of the Year (2018)
Chambers Canada: Canada’s Leading Lawyers for Business—Litigation, General Commercial Department: Ontario (Band 1 for firm)