
Jacqueline Horvat
Lawyer & Co-Founder
- jacqueline@spark.law
- 416.639.2152
- 519.955.9740
- She / Her
Jacqueline represents clients in commercial and shareholder disputes. She is involved in collaborative projects with the University of Windsor, including the Reclaim Pro Bono Project, representing clients who have suffered online and technology-facilitated violence. Jacqueline gives back to the profession by being a frequent speaker at continuing legal education programs and mentoring new lawyers.
- Commercial Litigation
- Shareholder Disputes and Oppression Remedies
- Economic Torts
- Product Liability
- Fiduciary Duties
- Class Actions
- Professional Negligence
- University of Windsor (LL.B.) (2001)
- Called to the Ontario Bar (2002)
- Bencher, Law Society of Ontario (2011-2022)
- Treasurer, Law Society of Ontario (2022-2023)
- Ontario Council Member and Second Vice-President, Federation of Law Societies of Canada (2019 - present)
Jacqueline is a litigation lawyer and a founding partner of Spark Law Professional Corporation.
She has a broad and varied corporate/commercial litigation practice representing both plaintiffs and defendants in complex (and not so complex) commercial disputes, shareholder oppression disputes, class action litigation, and appeals. She has appeared at all levels of court in Ontario and is highly regarded as a skilled and experienced commercial litigation lawyer.
Splitting her time between Windsor and Toronto, Jacqueline is also an occasional instructor and frequent guest lecturer at University of Windsor’s Faculty of Law. She is also involved in collaborative projects with the University of Windsor, including the Reclaim Pro Bono Project which provides free legal advice and representation to clients who have suffered online and technology-facilitated violence. The purpose of the project is to examine, research, and address pressing issues of social injustice in online environments. Specifically, the research focusses on non-consensual distribution of intimate images, online harassment, sextortion, public disclosure of private facts, voyeurism, and impersonation.
Jacqueline was elected as Treasurer of the Law Society of Ontario in 2022 during her third term as an elected bencher.
In addition to her Law Society duties, Jacqueline is also the Ontario representative on the Council of the Federation of Law Societies of Canada and is currently Second Vice-President of the Federation. She is Chair of the National Requirement Review Committee, and a member of the National Committee on Accreditation and the Public Affairs and Government Relations Committee. Jacqueline was also recently named as a member of the Independent Advisory Board for Supreme Court of Canada Judicial Appointments 2022.
Jacqueline is a past member of the Board of Directors of Library Co. Inc., a non-profit corporation created to manage the Ontario County and District Law Library system, and of the Ontario Judicial Education Network, an organization dedicated to fostering public understanding of the judicial system.
Reported Cases
- O’Reilly v. ClearMRI Solutions Ltd., 2021 ONCA 452 (CanLII)
- Bodnarchuk v. Guestlogix Inc., 2020 ONSC 4789 (CanLII)
- Bodnarchuk v. Guestlogix Inc., 2020 ONSC 3775 (CanLII)
- Hydro Hawkesbury v. ABB Inc., 2020 ONCA 53 (CanLII)
- Toronto Real Estate Board v. Commissioner of Competition, 2017 FCA 236
- 1298417 Ontario Ltd. v. Lakeshore (Town) (2014), 122 O.R. (3d) 401 (C.A.)
- Paul v. 1433295 Ontario Ltd. (2014), 120 O.R. (3d) 339 (S.C.J.)
- Prince et al. v. ACE Aviation Holdings Inc. et al. (2014), 120 O.R. (3d) 140 (C.A.)
- Prince et al. v. ACE Aviation Holdings Inc. et al. (2013), 115 O.R. (3d) 721 (S.C.J.)
- Georgian Windpower Corporation v. Stelco Inc. (2013), 113 O.R. (3d) 81 (S.C.J.)
- Orman v. Marnat Inc. (2012), 108 O.R. (3d) 81 (S.C.J.)
- Remo Valente Real Estate (1990) Ltd. v. Portofino Riverside Tower Inc. (2011), 108 O.R. (3d) 401 (C.A.)
- Sikh Cultural Society of Metropolitan Windsor v. Kooner, (2011) 108 O.R. (3d) 490 (S.C.J.)
- Harris v. GlaxoSmithKline Inc. (2010), 106 O.R. (3d) 661 (C.A.)
- Harris v. GlaxoSmithKline Inc. (2010), 101 O.R. (3d) 665 (S.C.J.)
- Remo Valente Real Estate (1990) Ltd. v. Portofino Riverside Tower Inc. (2010), 68 B.L.R. (4th) 66 (Ont. Div. Ct.)
- GEA Group AG v. Ventra Group Co. (2009), 315 D.L.R. (4th) 558 (Ont. C.A.)
- GEA Group AG v. Ventra Group Co. (2009), 96 O.R. (3d) 481 (C.A.)
- GEA Group AG v. Ventra Group Co. (2009), 307 D.L.R. (4th) 329 (Ont. S.C.J.)
- Beach v. Toronto Real Estate Board (2009), 88 R.P.R. (4th) 243 (Ont. S.C.J.)
- Mignacca v. Merck Frosst Canada Ltd. (2009), 95 O.R. (3d) 269 (Div. Ct.)
- Incorporated Broadcasters Ltd. v. CanWest Global Communications Corp. (2008), 300 D.L.R. (4th) 577 (Man. Q.B.)
- Tiboni v. Merck Frosst Canada Ltd. (2008), 295 D.L.R. (4th) 32 (Ont. S.C.J.)
- Remo Valente Real Estate (1990) Ltd. v. Portofino Riverside Tower Inc. (2008), 44 B.L.R. (4th) 307 (Ont. S.C.J.)

Publications & Presentations
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2022
Speaker at Women’s Law Association Bencher Election Series
Speaker at Law Society of Ontario’s CPD: Technology and the Law 2022 -
2021
Speaker at CBA-FLSC Ethics Online Symposium: Technology and the Legal Profession (Ethical Issues and Regulatory Responses)
Speaker at Law Society of Ontario’s CPD: How to Successfully Pivot Your Paralegal Practice
Co-Author of Civil Procedure & Practice in Ontario: Chapter on Rules 5 - Joinder of Claims and Parties, 2021 CanLIIDocs 1989
Co-Author of Civil Procedure & Practice in Ontario: Chapter on Rule 49.10-14 - Offer to Settle, 2021 CanLIIDocs 2042
Speaker at Ontario Trial Lawyers Association Webinar Series: Marketing and Advertising in a Changing Media Landscape
Speaker at The Advocates’ Society CPD: Legal Careers Off Bay Street -
2019
Speaker at the Law Society of Ontario’s Special Lecture Series 2019: Innovation, Technology and the Practice of Law
Speaker at the CBA-FLSC Ethics Forum: Current Issues in Judicial Ethics
Guest Speaker at University of Windsor Law, Legal Profession course
Speaker at University of Windsor Law, The Business of Law: Start as You Plan to Continue -
2018
Featured on an episode of the podcast Of Counsel titled Making Room for Women at the Table as Leaders: https://robichaudlaw.ca/podcast/jacqueline-horvat-making-room-for-women-at-the-table-as-leaders/
Speaker at OBA CPD: Keeping Up with the Times: How to Survive and Thrive in the Age of Digital Litigation
Speaker at The Advocates’ Society’s Breakfast Near Tiffany's VII Event Speaker at Women’s InTOition Event -
2016
Participant/Speaker at Bentham IMF Roundtable regarding Third Party Litigation Funding in Ontario
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2015
Presentation of the Minority Report at Convocation, Law Society of Upper Canada: https://youtu.be/Y31fgCgVGIo [beginning at the 1:01:23 hour mark]
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2013
Speaker at The Canadian Institute's 14th Annual Forum on Class Actions Litigation
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2012
Co-Author of the Minority Report, Articling Task Force of the Law Society of Upper Canada: https://lawsocietyontario.azureedge.net/media/lso/media/legacy/pdf/c/ convoct2012_articlingtaskforce.pdf?lang=en-ca
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2008
Law Society of Upper Canada Special Lectures 2008: Personal Injury Law, “Recovery of Individual and Aggregate Damages in Class Actions”
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2005
The Canadian Class Action Review: Volume. 2, No. 1, July 2005: “Class Action Fairness Act of 2005: A Canadian Perspective”