Catherine Hamill

Catherine provides strategic advice to employers in all areas of employment and labour law. She helps clients mitigate legal risks and implement best practices for developing and maintaining workplace policies and for complying with employment standards, human rights,  and workplace safety laws. Catherine assists clients with drafting and negotiating employment related documentation and agreements including employment and contractor agreements, executive employment agreements, workplace polices and termination agreements.

Catherine also helps employers navigate issues that arise during the employment relationship, such responding to workplace incidents and employee complaints, disability management, disciplinary issues and accommodations issues. She conducts workplace investigations as well as advising on workplace investigations conducted internally by clients or third-party investigators.

Catherine regularly represents clients in employment litigation matters, labour arbitrations and human rights complaints. Catherine has appeared before the Provincial Court of Alberta, Alberta Court of Queen’s Bench, and the Alberta Court of Appeal.

Catherine also regularly provides advice on employment aspects of corporate transactions.

Catherine joined Osler as a summer student in 2014 and articled at the firm from 2015-2016.

Representative Work

Select Reported Cases:

  • The Underwriters in Dye & Durham’s $150 million IPO and secondary offering of common shares.
  • Trican Well Service Ltd. obtained summary dismissal for the company, defeating allegations that its severance clause contracted below employment standards minimums.
  • Canada Natural Resources Limited in a commercial dispute in relation to the multi-billion dollar Horizon Oil Sands operation.
  • Smoothwater Capital Corporation, one of Canada’s leading activist investors, in challenging a proposed business combination between Alberta Oilsands Inc. and Marquee Energy Ltd.
  • Aspenleaf Energy in the defence of a claim by Coral Hill Energy following the termination of an Arrangement Agreement.
  • Trive Capital Management in its acquisition of Finalé Post Production.


Other Work:

  • Successfully litigated a wrongful termination claim through to trial for a senior engineer against his former employer.
  • Successfully represented a service company in a product liability dispute at Provincial Court and on appeal to the Court of Queen’s Bench.

Latest Insights

  • Osler Update Oct 4, 2018

    Franchisor-friendly motions results (British Columbia and Manitoba)

    Two recent summary judgment decisions in Manitoba and British Columbia provide more certainty and positive results for franchisors in Western Canada...

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  • Osler Update Apr 19, 2018

    Notable decisions in Alberta and British Columbia

    It is important to note that this decision turned on the terms of the relevant agreement and the facts of the case; certain facts may be critical in...

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  • Blog Dec 15, 2017

    Turning yourself in: the Alberta Securities Commission strengthens incentives for self-reporting

    With its recent implementation of the Credit for Exemplary Cooperation in Enforcement Matters policy (ASC Policy), the Alberta Securities Commission...

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  • Blog Jun 9, 2016

    Pre-Certification Right to Cross-Examination Across Canada

    The recent British Columbia Supreme Court case Cantlie v Canadian Heating Products Inc. highlights procedural differences across Canadian...

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Community Involvement

  • Calgary Drop-In Centre, Director
  • Pro Bono Law Alberta, Civil Claims Duty Counsel Volunteer

Speaking and Writing

Speaking Engagements

speaker 12/2/2020
Employment and Labour – A Year in Review and a Look Forward
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Published Work



  • McGill University, B.C.L/LL.B
  • University of Calgary, BHSc (First Class Honours)


  • English

Professional Affiliations

  • Calgary Bar Association
  • Law Society of Alberta
  • Law Society of British Columbia