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Sophie Mansfield

Sophie Mansfield
Sophie Mansfield Associate | Calgary
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Representative matters in which Sophie has been involved include:

  • Successfully obtaining Summary Dismissal at the Alberta Court of Queen’s Bench of an action brought by a landlord against a parent corporation in relation to a commercial lease entered into by its subsidiary

  • Representing an employer in an action against employees for breach of an employment agreement, breach of fiduciary duty, and the use of confidential information

  • Representing an international crude oil and natural gas producer as a creditor in CCAA proceedings to successfully exempt certain assets from inclusion in proceedings

  • Advising insurer-side parties on coverage disputes involving limitation periods, interpretation of policy provisions, peril exclusions, and liability coverage

  • Representing an administrative body in the statutory interpretation of its bylaws and interaction with its enabling statute in order to resolve board disputes

  • Representing the Chief of a First Nation in an action for allegations of breach of fiduciary duty and inter-band governance disputes

Recent reported decisions in which Sophie has been involved include:

  • 1533794 Alberta Ltd. v. Sintana Energy Inc. (Mobius Resources Inc.), 2019 ABQB 647;

  • Dirk v. Toews, 2019 ABQB 176; and

  • Dirk v. Toews, 2020 ABQB 16
Professional Activities

Sophie volunteers with the Civil Claims Duty Counsel Program and the Queen’s Bench Amicus Program, where she provides pro bono legal services to unrepresented litigants.

Sophie is also a member of the Canadian Bar Association, the Calgary Bar Association and the Advocates' Society.


Admitted to the Alberta Bar - 2017
J.D., University of Calgary - 2016
B.Sc .(with distinction), University of Victoria - 2010

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