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Called to the Bar
  • Ontario (2019)
Education
  • Osgoode Professional Development, Intensive Trial Advocacy Workshop, 2024
  • Harvard University, Financial Analysis and Valuation for Lawyers, 2023
  • University of Windsor, Master of Business Administration (Finance), 2018
  • University of Windsor, Juris Doctor, 2018
  • University of Toronto, Master of Industrial Relations and Human Resources, 2014
  • York University, Bachelor of Human Resource Management (Honours), 2013
Affiliations
  • The Canadian Bar Association
  • The Advocates’ Society
  • The Ontario Bar Association
  • Law Society of Ontario

Akiva Stern

Partner*
Practice Areas
Commercial Litigation
Litigation & Dispute Resolution
Arbitration & Mediation
International/Cross Border
Insolvency & Restructuring
Blockchain and Digital Assets
Fraud & Anti-Corruption
Class Actions
* Partner through a professional corporation

Akiva Stern is a Partner at WeirFoulds LLP with a practice in the firm’s Commercial Litigation, Fraud and Anti-Corruption, and Blockchain & Digital Assets Practice Groups. Akiva specializes in valuation and loss quantification disputes, including those with complex financial or accounting components.

Accounting Valuation & Loss Quantification

Akiva brings a strong command of financial detail to complex commercial disputes. He specializes in corporate and commercial litigation with complex valuation components, including shareholder and partnership valuation disputes, finance and accounting litigation, post-closing and purchase price adjustment disputes, insurance coverage disputes, asset tracing and recovery, breaches of fiduciary and employment-related duties, auditor negligence, and disputes requiring the quantification of economic loss. His multi-disciplinary background allows him to communicate effectively with clients and help them understand how their litigation fits within their broader business and strategic goals.

Class Actions & Advisory 

Akiva has acted for leading international companies in class actions across Canada at both the provincial and federal levels. He has particular expertise in navigating class actions alleging offences under the Canadian Competition Act as well as advising clients on related regulatory matters.

Notable mandates include:

  • Representation of defendants in proposed class actions alleging anti-competitive conduct in the following industries:
    • Foreign Exchange
    • SSA Bonds
    • Atlantic Salmon
    • Generic Drugs
    • Land Conveyancing Software
    • Capacitors
    • Forged Aluminum
    • Fragrances & Flavours
  • Representation of corporations in the context of the Immunity and Leniency Programs under the Competition Act
  • Representation of a corporation in the context of a judicial review under the national security review regime of the Investment Canada Act

Prior to joining WeirFoulds, Akiva practiced at a national full-service firm in Toronto, where he maintained a diverse commercial litigation (specializing in valuation disputes) and professional liability practice. Akiva has appeared at all levels of court in Ontario, as well as the Supreme Court of British Columbia, the Federal Court and Federal Court of Appeal, and the Supreme Court of Canada. Akiva also frequently represents clients in private commercial arbitrations.

Akiva is committed to advancing legal education and thought leadership. He is a leading author and frequent lecturer on mooting, legal rhetoric and advocacy, and teaches introductory and advanced mooting and advocacy skills courses at the Lincoln Alexander School of Law, Toronto Metropolitan University. He also frequently guest lectures at the Faculty of Law, University of Windsor. His teaching draws on his textbook, Moot: How to Win in Fake Court and Other Valuable Lessons in Legal Rhetoric. Akiva was also responsible for creating and organizing a competitive moot, currently servicing over 90 law students each year.

Read More +
Experience
  • Parris v. Firmenich International SA et. Al., 2026 ONSC 3922 – Successfully dismissed motion for certification alleging the defendants engaged in an unlawful price-fixing conspiracy to fix or manipulate the prices of fragrance ingredients, fragrances and fragrance products contrary to the Canadian Competition Act.
  • Emond v. Trillium Mutual Insurance Co., 2026 SCC 3 – represented interveners, Canadian Association of Mutual Insurance Companies, Ontario Mutual Insurance Association, and Farm Mutual Reinsurance Plan Inc. successfully supporting the respondent on critical issues of insurance contract interpretation.
  • Adi Developments (Valera) Inc. v. Carttera Management Inc., 2025 ONSC 5119 – successfully brought motion for conversion and consolidation while resisting cross-motion to strike.
  • Ingarra v. Dye & Durham Limited, 2024 FC 152 – successfully defended class action third party funding motion.
  • Represented shareholder in confidential domestic arbitration proceedings involving allegations of oppression, breach of fiduciary duty and breach of employment agreements.
  • Programmed Insurance Brokers Inc. v. Stoneridge Insurance Brokers et al, 2024 ONSC 2321, 2024 ONSC 58, 2024 ONSC 40 – successfully obtained an interim injunction regarding alleged breach of restrictive covenants and misuses of confidential information.
  • Breckon v. Cermaq Canada Ltd., 2024 FC 225 – successfully defended class action third party funding motion.
  • Lu v. Kalman, 2023 ONSC 5335, 2023 ONSC 5912 – first chair, medical negligence trial, successfully defended four defendant physicians, interim motions including prohibiting plaintiff from relying on improper evidence, resisting motion to prohibit defendant expert evidence and motion alleging spoliation.
  • China Mobile Communications Group Co., Ltd. V. Canada (Attorney General), 2022 FC 125, 2021 FC 1277, 2023 FCA 202 – judicial review and evidentiary challenge to cabinet privilege.
  • Mohr v. National Hockey League, 2022 FCA 145 – successfully brought motion to strike at the Federal Court, striking the plaintiff’s claim and denying their motion to amend. Successfully defended decision at the Federal Court of Appeal, as well as the plaintiff’s leave to appeal application to the Supreme Court of Canada.
  • Vale Canada Limited v. Royal & Sun Alliance Insurance Company of Canada, 2022 ONCA 862 – counsel for Vale Canada in respect of a multi-million dollar international coverage, including with respect to a significant jurisdiction battle before the Ontario Court of Appeal involving principles of jurisdiction simpliciter and forum non conveniens in the context of contract claims and a competing proceeding in New York.
  • In the Matter of the Bankruptcy of Guo Li Chun – counsel for Barclays Bank, Credit Suisse, Morgan Stanley and Goldman Sachs in successful application to enforce USD$324 million debt.
  • Chun (Re), 2021 CanLII 53800 (ONCA) – leading Court of Appeal decision regarding partial lift of automatic stay pending appeal.
  • North American publicly traded commodity company – counsel in respect of a multi-million dollar post-closing adjustment accounting valuation dispute. Successfully defended accounting valuation on all issues.
  • Insurance Claims for COVID-19 Business Interruption Loss – counsel for numerous companies and professionals pursuing insurance claims for COVID-19 related business interruption and other losses.

Awarded Best Lawyers in Canada, Ones to Watch: Corporate and Commercial Litigation and Class Action Litigation

  • Parris v. Firmenich International SA et. Al., 2026 ONSC 3922 – Successfully dismissed motion for certification alleging the defendants engaged in an unlawful price-fixing conspiracy to fix or manipulate the prices of fragrance ingredients, fragrances and fragrance products contrary to the Canadian Competition Act.
  • Emond v. Trillium Mutual Insurance Co., 2026 SCC 3 – represented interveners, Canadian Association of Mutual Insurance Companies, Ontario Mutual Insurance Association, and Farm Mutual Reinsurance Plan Inc. successfully supporting the respondent on critical issues of insurance contract interpretation.
  • Adi Developments (Valera) Inc. v. Carttera Management Inc., 2025 ONSC 5119 – successfully brought motion for conversion and consolidation while resisting cross-motion to strike.
  • Ingarra v. Dye & Durham Limited, 2024 FC 152 – successfully defended class action third party funding motion.
  • Represented shareholder in confidential domestic arbitration proceedings involving allegations of oppression, breach of fiduciary duty and breach of employment agreements.
  • Programmed Insurance Brokers Inc. v. Stoneridge Insurance Brokers et al, 2024 ONSC 2321, 2024 ONSC 58, 2024 ONSC 40 – successfully obtained an interim injunction regarding alleged breach of restrictive covenants and misuses of confidential information.
  • Breckon v. Cermaq Canada Ltd., 2024 FC 225 – successfully defended class action third party funding motion.
  • Lu v. Kalman, 2023 ONSC 5335, 2023 ONSC 5912 – first chair, medical negligence trial, successfully defended four defendant physicians, interim motions including prohibiting plaintiff from relying on improper evidence, resisting motion to prohibit defendant expert evidence and motion alleging spoliation.
  • China Mobile Communications Group Co., Ltd. V. Canada (Attorney General), 2022 FC 125, 2021 FC 1277, 2023 FCA 202 – judicial review and evidentiary challenge to cabinet privilege.
  • Mohr v. National Hockey League, 2022 FCA 145 – successfully brought motion to strike at the Federal Court, striking the plaintiff’s claim and denying their motion to amend. Successfully defended decision at the Federal Court of Appeal, as well as the plaintiff’s leave to appeal application to the Supreme Court of Canada.
  • Vale Canada Limited v. Royal & Sun Alliance Insurance Company of Canada, 2022 ONCA 862 – counsel for Vale Canada in respect of a multi-million dollar international coverage, including with respect to a significant jurisdiction battle before the Ontario Court of Appeal involving principles of jurisdiction simpliciter and forum non conveniens in the context of contract claims and a competing proceeding in New York.
  • In the Matter of the Bankruptcy of Guo Li Chun – counsel for Barclays Bank, Credit Suisse, Morgan Stanley and Goldman Sachs in successful application to enforce USD$324 million debt.
  • Chun (Re), 2021 CanLII 53800 (ONCA) – leading Court of Appeal decision regarding partial lift of automatic stay pending appeal.
  • North American publicly traded commodity company – counsel in respect of a multi-million dollar post-closing adjustment accounting valuation dispute. Successfully defended accounting valuation on all issues.
  • Insurance Claims for COVID-19 Business Interruption Loss – counsel for numerous companies and professionals pursuing insurance claims for COVID-19 related business interruption and other losses.

Awarded Best Lawyers in Canada, Ones to Watch: Corporate and Commercial Litigation and Class Action Litigation

Akiva Stern is a Partner at WeirFoulds LLP with a practice in the firm’s Commercial Litigation, Fraud and Anti-Corruption, and Blockchain & Digital Assets Practice Groups. Akiva specializes in valuation and loss quantification disputes, including those with complex financial or accounting components.

Accounting Valuation & Loss Quantification

Akiva brings a strong command of financial detail to complex commercial disputes. He specializes in corporate and commercial litigation with complex valuation components, including shareholder and partnership valuation disputes, finance and accounting litigation, post-closing and purchase price adjustment disputes, insurance coverage disputes, asset tracing and recovery, breaches of fiduciary and employment-related duties, auditor negligence, and disputes requiring the quantification of economic loss. His multi-disciplinary background allows him to communicate effectively with clients and help them understand how their litigation fits within their broader business and strategic goals.

Class Actions & Advisory 

Akiva has acted for leading international companies in class actions across Canada at both the provincial and federal levels. He has particular expertise in navigating class actions alleging offences under the Canadian Competition Act as well as advising clients on related regulatory matters.

Notable mandates include:

  • Representation of defendants in proposed class actions alleging anti-competitive conduct in the following industries:
    • Foreign Exchange
    • SSA Bonds
    • Atlantic Salmon
    • Generic Drugs
    • Land Conveyancing Software
    • Capacitors
    • Forged Aluminum
    • Fragrances & Flavours
  • Representation of corporations in the context of the Immunity and Leniency Programs under the Competition Act
  • Representation of a corporation in the context of a judicial review under the national security review regime of the Investment Canada Act

Prior to joining WeirFoulds, Akiva practiced at a national full-service firm in Toronto, where he maintained a diverse commercial litigation (specializing in valuation disputes) and professional liability practice. Akiva has appeared at all levels of court in Ontario, as well as the Supreme Court of British Columbia, the Federal Court and Federal Court of Appeal, and the Supreme Court of Canada. Akiva also frequently represents clients in private commercial arbitrations.

Akiva is committed to advancing legal education and thought leadership. He is a leading author and frequent lecturer on mooting, legal rhetoric and advocacy, and teaches introductory and advanced mooting and advocacy skills courses at the Lincoln Alexander School of Law, Toronto Metropolitan University. He also frequently guest lectures at the Faculty of Law, University of Windsor. His teaching draws on his textbook, Moot: How to Win in Fake Court and Other Valuable Lessons in Legal Rhetoric. Akiva was also responsible for creating and organizing a competitive moot, currently servicing over 90 law students each year.

Read More +
Experience
  • Parris v. Firmenich International SA et. Al., 2026 ONSC 3922 – Successfully dismissed motion for certification alleging the defendants engaged in an unlawful price-fixing conspiracy to fix or manipulate the prices of fragrance ingredients, fragrances and fragrance products contrary to the Canadian Competition Act.
  • Emond v. Trillium Mutual Insurance Co., 2026 SCC 3 – represented interveners, Canadian Association of Mutual Insurance Companies, Ontario Mutual Insurance Association, and Farm Mutual Reinsurance Plan Inc. successfully supporting the respondent on critical issues of insurance contract interpretation.
  • Adi Developments (Valera) Inc. v. Carttera Management Inc., 2025 ONSC 5119 – successfully brought motion for conversion and consolidation while resisting cross-motion to strike.
  • Ingarra v. Dye & Durham Limited, 2024 FC 152 – successfully defended class action third party funding motion.
  • Represented shareholder in confidential domestic arbitration proceedings involving allegations of oppression, breach of fiduciary duty and breach of employment agreements.
  • Programmed Insurance Brokers Inc. v. Stoneridge Insurance Brokers et al, 2024 ONSC 2321, 2024 ONSC 58, 2024 ONSC 40 – successfully obtained an interim injunction regarding alleged breach of restrictive covenants and misuses of confidential information.
  • Breckon v. Cermaq Canada Ltd., 2024 FC 225 – successfully defended class action third party funding motion.
  • Lu v. Kalman, 2023 ONSC 5335, 2023 ONSC 5912 – first chair, medical negligence trial, successfully defended four defendant physicians, interim motions including prohibiting plaintiff from relying on improper evidence, resisting motion to prohibit defendant expert evidence and motion alleging spoliation.
  • China Mobile Communications Group Co., Ltd. V. Canada (Attorney General), 2022 FC 125, 2021 FC 1277, 2023 FCA 202 – judicial review and evidentiary challenge to cabinet privilege.
  • Mohr v. National Hockey League, 2022 FCA 145 – successfully brought motion to strike at the Federal Court, striking the plaintiff’s claim and denying their motion to amend. Successfully defended decision at the Federal Court of Appeal, as well as the plaintiff’s leave to appeal application to the Supreme Court of Canada.
  • Vale Canada Limited v. Royal & Sun Alliance Insurance Company of Canada, 2022 ONCA 862 – counsel for Vale Canada in respect of a multi-million dollar international coverage, including with respect to a significant jurisdiction battle before the Ontario Court of Appeal involving principles of jurisdiction simpliciter and forum non conveniens in the context of contract claims and a competing proceeding in New York.
  • In the Matter of the Bankruptcy of Guo Li Chun – counsel for Barclays Bank, Credit Suisse, Morgan Stanley and Goldman Sachs in successful application to enforce USD$324 million debt.
  • Chun (Re), 2021 CanLII 53800 (ONCA) – leading Court of Appeal decision regarding partial lift of automatic stay pending appeal.
  • North American publicly traded commodity company – counsel in respect of a multi-million dollar post-closing adjustment accounting valuation dispute. Successfully defended accounting valuation on all issues.
  • Insurance Claims for COVID-19 Business Interruption Loss – counsel for numerous companies and professionals pursuing insurance claims for COVID-19 related business interruption and other losses.

Awarded Best Lawyers in Canada, Ones to Watch: Corporate and Commercial Litigation and Class Action Litigation

  • Parris v. Firmenich International SA et. Al., 2026 ONSC 3922 – Successfully dismissed motion for certification alleging the defendants engaged in an unlawful price-fixing conspiracy to fix or manipulate the prices of fragrance ingredients, fragrances and fragrance products contrary to the Canadian Competition Act.
  • Emond v. Trillium Mutual Insurance Co., 2026 SCC 3 – represented interveners, Canadian Association of Mutual Insurance Companies, Ontario Mutual Insurance Association, and Farm Mutual Reinsurance Plan Inc. successfully supporting the respondent on critical issues of insurance contract interpretation.
  • Adi Developments (Valera) Inc. v. Carttera Management Inc., 2025 ONSC 5119 – successfully brought motion for conversion and consolidation while resisting cross-motion to strike.
  • Ingarra v. Dye & Durham Limited, 2024 FC 152 – successfully defended class action third party funding motion.
  • Represented shareholder in confidential domestic arbitration proceedings involving allegations of oppression, breach of fiduciary duty and breach of employment agreements.
  • Programmed Insurance Brokers Inc. v. Stoneridge Insurance Brokers et al, 2024 ONSC 2321, 2024 ONSC 58, 2024 ONSC 40 – successfully obtained an interim injunction regarding alleged breach of restrictive covenants and misuses of confidential information.
  • Breckon v. Cermaq Canada Ltd., 2024 FC 225 – successfully defended class action third party funding motion.
  • Lu v. Kalman, 2023 ONSC 5335, 2023 ONSC 5912 – first chair, medical negligence trial, successfully defended four defendant physicians, interim motions including prohibiting plaintiff from relying on improper evidence, resisting motion to prohibit defendant expert evidence and motion alleging spoliation.
  • China Mobile Communications Group Co., Ltd. V. Canada (Attorney General), 2022 FC 125, 2021 FC 1277, 2023 FCA 202 – judicial review and evidentiary challenge to cabinet privilege.
  • Mohr v. National Hockey League, 2022 FCA 145 – successfully brought motion to strike at the Federal Court, striking the plaintiff’s claim and denying their motion to amend. Successfully defended decision at the Federal Court of Appeal, as well as the plaintiff’s leave to appeal application to the Supreme Court of Canada.
  • Vale Canada Limited v. Royal & Sun Alliance Insurance Company of Canada, 2022 ONCA 862 – counsel for Vale Canada in respect of a multi-million dollar international coverage, including with respect to a significant jurisdiction battle before the Ontario Court of Appeal involving principles of jurisdiction simpliciter and forum non conveniens in the context of contract claims and a competing proceeding in New York.
  • In the Matter of the Bankruptcy of Guo Li Chun – counsel for Barclays Bank, Credit Suisse, Morgan Stanley and Goldman Sachs in successful application to enforce USD$324 million debt.
  • Chun (Re), 2021 CanLII 53800 (ONCA) – leading Court of Appeal decision regarding partial lift of automatic stay pending appeal.
  • North American publicly traded commodity company – counsel in respect of a multi-million dollar post-closing adjustment accounting valuation dispute. Successfully defended accounting valuation on all issues.
  • Insurance Claims for COVID-19 Business Interruption Loss – counsel for numerous companies and professionals pursuing insurance claims for COVID-19 related business interruption and other losses.

Awarded Best Lawyers in Canada, Ones to Watch: Corporate and Commercial Litigation and Class Action Litigation

Called to the Bar
  • Ontario (2019)
Education
  • Osgoode Professional Development, Intensive Trial Advocacy Workshop, 2024
  • Harvard University, Financial Analysis and Valuation for Lawyers, 2023
  • University of Windsor, Master of Business Administration (Finance), 2018
  • University of Windsor, Juris Doctor, 2018
  • University of Toronto, Master of Industrial Relations and Human Resources, 2014
  • York University, Bachelor of Human Resource Management (Honours), 2013
Affiliations
  • The Canadian Bar Association
  • The Advocates’ Society
  • The Ontario Bar Association
  • Law Society of Ontario
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