Hayley Peglar is an associate in the litigation practice group at WeirFoulds LLP. She advises clients on a diverse range of civil and commercial litigation matters, with a focus on estate, trusts, and capacity litigation.

Hayley brings to the table key expertise in early stage mediation of estate disputes. She understands that litigation can be stressful and costly, and works closely with her clients to identify solutions and to provide peace of mind through effective negotiation and mediation.

Hayley represents individual and institutional clients in court proceedings and contested litigation, including variation of trust matters, dependant relief applications, guardianship applications, and will challenge proceedings.

Hayley enjoys writing about developments in the law and regularly shares her knowledge at client seminars and industry conferences. Through her memberships in the Ontario Bar Association, The Advocates’ Society, and the Toronto Lawyers Association, Hayley stays up to date on the legal developments and trends which impact her clients. Hayley currently serves as a member-at-large on the OBA Elder Law Section executive and is an active member of the Junior Trusts and Estates Practitioners Group. She previously served as a member of the executive of The Advocates’ Society Estates Litigation Practice Group from 2016 to 2018.

Hayley is active in the firm’s student mentoring program and is a volunteer mentor to law students through the University of Toronto Faculty of Law Alumni Mentorship Program. She is also a member of the WeirFoulds Women program which promotes a successful and diverse working environment.

  • Recognized by Best Lawyers in Canada: Ones to Watch as an upcoming leading practitioner in Corporate and Commercial Litigation and Trusts and Estates
  • International Association of Young Lawyers (AIJA), 52nd Congress Prague 2014 Past Presidents’ Award for Best National Report, Private Client and Immigration Working Session (with Caroline Abela)
  • Margaret Grimshaw Prize in Real Estate, University of Toronto
  • Chancellor’s Scholarship, Queen’s University
  • Member-at-Large, Ontario Bar Association, Elder Law Section (2019-2020)
Called to the Bar
  • Ontario (2014)

  • J.D., University of Toronto, 2013
  • B.A. (Hons. with Distinction), Queen's University, 2010
  • Ontario Bar Association
  • Canadian Bar Association
  • The Advocates' Society
  • Toronto Lawyers Association
  • WeirFoulds Women

Upcoming Event


Litigating in the New Normal: What’s Next

WeirFoulds’ Commercial Litigation Practice Group invites you to our annual 2021 fall webinar for small firms and sole practitioners. Join our panelists to discuss how practising law…View Event

Speaking Engagements

Speaker, "Modernization Updates: How courts and tribunals – and we as litigators – continue to adapt to the changes necessitated by the pandemic, including a review of the upcoming changes to the Rules of Civil Procedure", Litigating in the New Normal: What’s Next, WeirFoulds LLP, Online, November 30, 2021
Speaker, "Make a Will", Toronto Public Library, Make a Will Month, Toronto, ON, November 20, 2019
Co-Presenter (with Clare Burns), "The Role of Accountants in Estate Litigation", GTA Accountants Network/GTA Finance Network, Toronto, ON, November 12, 2019
Speaker, “Know Your Client”, WeirFoulds Professionalism Issues Seminar, Toronto, ON, February 27, 2019
Speaker, "Make a Will", Toronto Public Library, Make a Will Month, Toronto, ON, November 13, 2018
Speaker, "Top Cases in Estates Litigation", The Advocates' Society, Toronto, ON, February 8, 2018
Speaker, "Make a Will", Toronto Public Library, Make a Will Month, Toronto, ON, November 4, 2017
Speaker, "Top Cases in Estates Litigation", The Advocates' Society, Toronto, ON, February 8, 2017
Instructor, "Employment, Labour and Human Rights Considerations in the Construction Industry", George Brown College, School of Construction Management and Trades / School of Architectural Studies, Toronto, ON, March 2016
Co-Presenter, "Bill 168: A 5-Year Review", Workplace Violence & Harassment: A 5-Year Review, WeirFoulds LLP, Toronto, ON, November 19, 2015

Legend: GeneralLitigationPropertyCorporateGovernment

Legend: GeneralLitigationPropertyCorporateGovernment

Additional Publications

  • Co-Author, “The Role of the Medical Expert in the Retrospective Assessment of Testamentary Capacity”, The Canadian Journal of Psychiatry, Volume 65 Issue 4, April 2020