
Overview
David Rosner heads the Competition and Foreign Investment Group at Goodmans. He provides strategic advice on all aspects of Canadian competition law, particularly with respect to complex mergers (including in regulated industries and mergers involving multi-jurisdictional review). David also advises on behavioral matters under Canadian competition law and mergers subject to the Investment Canada Act.
Drawing on his experience practising with a leading international law firm outside Canada, David translates the latest international competition law developments into strategic advantages for his clients in Canada.
David was the only Canadian named in Global Competition Review’s 40 under 40 in 2020, and in 2019, was honoured as one of Lexpert’s Rising Stars: Leading Lawyers Under 40. He is recognized as a leading competition lawyer by Chambers Global, Chambers Canada, The Legal 500 Canada, Best Lawyers in Canada, the Lexpert Special Edition: Canada's Leading Litigation Lawyers and The Canadian Legal Lexpert Directory. He has also been recognized as one of the most highly regarded North American partners by Who’s Who Legal: Competition – Future Leaders since 2017, which profiles the foremost practitioners in the competition community under 45. Clients describe David as “a sharp thinker with great analytical capabilities,” and praise his “straightforward practical advice.”
Expertise
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Cannabis
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Communications and Media
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Competition and Foreign Investment
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Competition Bureau investigations
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Competition Law Litigation
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Compliance Programs and Audits
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Construction and Infrastructure
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Energy
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Entertainment
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Foreign Investment and National Security Reviews
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Merger Review
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Mergers and Acquisitions
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Mining
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Technology
Featured Work
David’s representative work includes acting for:
Canadian Competition Clearances for Large-Scale M&A
- Rogers Communications in its proposed C$20.5 billion acquisition of Shaw Communications
- Onex Corporation in its C$5 billion acquisition of WestJet Airlines Ltd., notably including clearances under the Canada Transportation Act
- Newmont Corporation in its US$10 billion merger with Goldcorp Inc., notably including clearance under the Competition Act and Investment Canada Act
- Altria Inc. on its C$2.4 billion investment in Cronos Group Inc., notably including clearance under the Investment Canada Act
- Essilor International S.A. in its €46-billion combination with Luxottica Group S.p.A.
Behavioral Matters
- a Canadian client in defence of a non-public abuse of dominance investigation by the Competition Bureau
- a non-Canadian client in defence of allegations of an agreement among competitors by the Competition Bureau
- a non-Canadian client in respect of an internal investigation arising from global price-fixing allegations
Awards & Recognition
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Chambers Global Recognized, Competition/Antitrust 2023
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The Canadian Legal Lexpert Directory Recognized, Competition Law 2023
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Chambers Canada Recognized, Competition/Antitrust 2023
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The Legal 500 Canada Leading Individual, Competition and Antitrust 2023
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Best Lawyers in Canada Recognized, Competition / Antitrust Law 2023
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Who's Who Legal Recommended National Leader, Competition 2022
Credentials
Professional Involvement
David is an active member of the Canadian competition law community. He has been a professor at Osgoode Hall Law School and served as chair of several committees of the Canadian Bar Association's National Competition Law Section.
Credentials
- Osgoode Hall Law School, LL.B., 2005
- University of Winnipeg, B.A., 2002
Professional Affiliations
- Law Society of Ontario
- Ontario Bar Association
- Canadian Bar Association
- American Bar Association
Call to Bar
- 2006 Ontario
Insights
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Competition and Foreign Investment
The Public Competition Enforcement Review 15th Edition - Canada Chapter
Michael Koch, David Rosner, Devin Persaud, Josh Zelikovitz and Jon Wall co-authored the Canada Chapter of The Public Competition Enforcement Review 145h Edition. The Public Competition… -
Competition and Foreign Investment
Canadian Guidance on Wage-Fixing and No-Poaching Agreements
The Competition Act has been amended to include a new criminal offence for employers that enter into agreements to fix wages, or that agree not to solicit or hire each other’s employees. The amendment… -
Competition and Foreign Investment
Government of Canada to Overhaul National Security Rules of the Investment Canada Act
The Government of Canada has introduced amendments to the Investment Canada Act (ICA) that propose to enhance the government’s ability to review, block or modify foreign investments in Canada on the… -
Competition and Foreign Investment
Competition Bureau to Study Competition in Grocery Sector; Proposes Launch of Merger Registry
The Competition Bureau is launching a market study of grocery store competition in Canada. This comes on the heels of mounting political pressure surrounding increased grocery prices. Market… -
Competition and Foreign Investment
The Public Competition Enforcement Review 14th Edition - Canada Chapter
Michael Koch, David Rosner, Devin Persaud and Josh Zelikovitz co-authored the Canada Chapter of The Public Competition Enforcement Review 14th Edition. The Public Competition Enforcement Review is an… -
Competition and Foreign Investment
The Foreign Investment Regulatory Review, 9th Edition - Canada Chapter
David Rosner, Michael Koch and Joshua Zelikovitz co-authored the Canada Chapter of The Foreign Investment Regulatory Review, 9th edition. The ninth edition is an in-depth guide to the laws…
News & Events
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Banking and Financial Services
The Canadian Legal Lexpert Directory 2023 Continues to Recognize Goodmans
We are proud to announce we have once again been recognized in The Canadian Legal Lexpert Directory 2023.85 Goodmans lawyers have been recognized as top-tier in their fields and leaders across… -
Banking and Financial Services
Chambers and Partners Continues to Honour Goodmans with Global Recognition
We are proud to announce Goodmans LLP has once again received top tier recognition from Chambers and Partners in the Chambers Global 2023 Guide released today. Recognition from Chambers and… -
Dispute Resolution
Goodmans Partners Recognized in the Lexpert Special Edition: Litigation 2022
We are delighted to announce the Lexpert Special Edition: Litigation 2022 once again features Goodmans partners among Canada's experts in litigation.Congratulations to our 13 featured partners:Andrew…