Laura Dunnigan*
Partner Calgary, T: 587.319.6377 F: 403.538.5049 ldunnigan@mathewsdinsdale.com
Monica MacCready Assistant 403.538.5041 x341 mmaccready@mathewsdinsdale.com
Biography
Law Society of Alberta
Dalhousie University, Schulich School of Law, J.D.
Queen’s University, B.A. (Hons.) with Distinction
Calgary Bar Association (Executive Member of the Board)
Canadian Association of Counsel to Employers (CACE)
Canadian Bar Association (Past Executive Member, Alberta Branch, Labour and Employment South Section)
The Advocates’ Society
Laura is a Partner in our Calgary office, practising in all areas of labour and employment law. She advises employers across the energy, construction, manufacturing, hospitality, natural resource, private equity, transportation and technology sectors. Before joining the firm, Laura spent eight years practicing employment and labour law at a large national law firm, where she became the go-to employment counsel for clients.
Laura brings a wealth of experience to clients in all areas of workplace law and takes pride in working with clients to achieve practical solutions that align with their business and operational goals. She regularly provides strategic advice to clients with respect to all issues related to the employment relationship, including labour planning, contract and policy development and implementation, workplace complaints and investigations, privacy issues and compliance, general employee and labour relations matters, workplace health and safety, disability management, and alcohol and drug testing.
Laura’s practice regularly involves reviewing and drafting employment-related documentation, including employment and independent contractor agreements, severance packages and confidentiality agreements, non-competition and non-solicitation agreements, workplace policies and handbooks and advising on corporate aspects of labour and employment law, including mergers and acquisitions and reorganizations.
In addition to her advisory practice, Laura effectively advocates for clients and is well-versed in litigation, including wrongful dismissal, privacy complaints, labour disputes and human rights claims. She has appeared at all levels of court in Alberta and regularly represents clients at administrative tribunals, including provincial and federal employment standards commissions, labour boards, human rights commissions, and privacy commissions.
Laura also conducts workplace investigations and maintains an active privacy practice, advising employers on matters such as access to information requests, data breach response protocols and the impact of anti-spam legislation.
In addition to serving her clients, Laura is deeply involved in the legal community in Calgary. She is a past executive of the Canadian Bar Association, Alberta Branch, Labour & Employment South Section and is an executive member on the board of the Calgary Bar Association.
* Denotes practicing through a law corporation.
Representative experience
Co-leading an emergency injunction application for a large public company against its former chief executive officer.
Co-leading the defense of contested wrongful dismissal litigation for a large financial services firm against a former director of investment banking.
Successfully obtaining summary dismissal of claims at the Queen’s Bench and Court of Appeal levels on multiple matters.
Successfully obtaining and defending injunction applications to enforce non-competition and other restrictive covenants.
Managing executive wrongful dismissal litigation involving a wide array of issues including theft, fraud, incompetence, insubordination and performance issues.
Co-leading the defence of multiple common employer applications and unfair labour practice complaints at the Alberta Labour Relations Board for numerous organizations.
Successfully defending multiple employers against union certification applications in Alberta and Saskatchewan.
Successfully obtaining orders to revoke union bargaining rights for various organizations.
Providing key advice to and representing multiple employers in the context of grievance arbitration and labour planning.
Assisting employers with workplace safety matters including occupational health and safety investigations and prosecutions associated with workplace fatalities and serious injuries.
Successfully representing employers and employees in human rights complaints.
Conducting workplace investigations relating to numerous forms of workplace misconduct and policy breaches, including bullying, harassment, sexual harassment, violence and substance abuse.
Pursuing remedies for employers relating to employee theft and fraud.
Assisting companies with cybersecurity breaches including notifications to affected individuals and regulators.
Providing key employment, labour and privacy-related advice on multiple merger/acquisition transactions.
Industry recognition
Best Lawyers® in CanadaLabour and Employment Law
Chambers and Partners CanadaEmployment and Labour Law – Alberta
Chambers and Partners CanadaEmployment & Labour – Alberta – Up and Coming (2024)
Chambers and Partners CanadaEmployment & Labour – Alberta – Associates to watch (2023)
Best Lawyers® in CanadaLabour and Employment Law – Ones to Watch (2022)
Acritas Stars 2019-2021Independently Rated Lawyer (Nominated as a stand-out lawyer by senior in-house counsel)
Presentations
The 30th Annual Alberta Labour Law Review, Edmonton, Alberta
Laura spoke as a panel member on the following three topics: (i) Understanding the Procedural Duty to Accommodate; (ii) Hands off my work! Current issues in contracting out/in; and (iii) The Critical Role of Safety in the Workplace
CPHR Alberta Virtual HR Law Conference
Laura co-presented on Bargaining 101: What you need to know before you go to the table
Lancaster House’s Calgary Labour Arbitration and Policy Conference, Plenary
Laura spoke as a panel member at the Plenary of the Lancaster House Calgary Labour Arbitration and Policy Conference.
Employment Law West Masterclass
Laura presented as part of a panel for Canadian Lawyer
Beyond COVID-19: Returning to the Workplace Virtual Event
Laura presented as part of a panel for the RBC Group Advantage
Recent Developments in Labour and Employment Law
Laura presented as part of a panel for the, Business Class Seminar, Toronto, ON
10 Prominent and Commonly Misunderstood Aspects of Written Employment Agreements
Laura was a Co-speaker for the CPHR HR Law Conference, Calgary, AB
Recent Developments in Employment and Labour Law
Laura was a Co-speaker for the Labour & Employment Client Seminar. Toronto, ON
The Employment Agreement: 15 Under 15
Laura was a Co-speaker for the Business Law Section, Canadian Bar Association, Calgary, AB
Renegades and Rogues: Fiduciary Duties and Restrictive Covenants of Employees in the Digital Age
Laura was a Co-speaker for the, Business Class Seminar, Calgary, AB
News
Mathews Dinsdale has once again been recognized as a leading law firm in the Chambers Canada 2026 Guide for Employment & Labour.
Mathews Dinsdale has once again been recognized as a leading law firm in the Chambers Canada 2025 Guide for Employment & Labour.
Mathews Dinsdale is pleased to announce that Laura Dunnigan has joined the Firm’s partnership. Laura works out of the Firm's office in Calgary, AB.
Mathews Dinsdale has once again been recognized as a leading law firm in the Chambers Canada 2023 Guide for Employment & Labour - Nationwide, Ontario and British Columbia. Congratulations to our lawyers in BC, AB, ON and Atlantic Canada, who have been ranked and recognized this year.
Mathews Dinsdale is pleased to announce that Laura Dunnigan has joined our Calgary office as Counsel. Welcome to the team!
Articles and papers
October 15, 2025Worker challenges two suspensions within a month
Quoted in: Worker challenges two suspensions within a month, Canadian HR Reporter, Jeffrey R. Smith, October 15, 2025
April 14, 2025Alberta worker unhappy with accommodation, makes human rights complaint
Quoted in: Alberta worker unhappy with accommodation, makes human rights complaint, Canadian HR Reporter, Jeffrey R. Smith, April 14, 2025
October 15, 2025Worker challenges two suspensions within a month
Quoted in: Worker challenges two suspensions within a month, Canadian HR Reporter, Jeffrey R. Smith, October 15, 2025
March 12, 2025What constitutes 'psychological injury' in WCB claims?
Quoted in: What constitutes ‘psychological injury’ in WCB claims? Canadian HR Reporter, Stacy Thomas, March 12, 2025
December 16, 2024Why it’s a bad idea to terminate employees near holidays
Quoted in: Why it’s a bad idea to terminate employees near holidays, Canadian HR Reporter, Jeffrey R. Smith, December 16, 2024
December 12, 2024Inducement: Worker fired 2 years after out-of-province hiring gets 6 months' notice plus damages
Quoted in: Inducement: Worker fired 2 years after out-of-province hiring gets 6 months’ notice plus damages, Canadian HR Reporter, Jeffrey R. Smith, December 12, 2024
November 19, 2024Dispute over medical information didn't lead to dismissal or resignation: Board
Quoted in: Dispute over medical information didn’t lead to dismissal or resignation, Canadian HR Reporter, Jeffrey R. Smith, November 19, 2024
June 27, 2024Alberta worker's suspension, termination for code of conduct breach, not safety concerns
Quoted in: Alberta worker’s suspension, termination for code of conduct breach, not safety concerns, Canadian HR Reporter, Jeffrey R. Smith, June 27, 2024
November 25, 2021Co-author, Upcoming Changes to Alberta’s Occupational Health and Safety Laws, Blakes Bulletin on Employment & Labour
August 10, 2020Co-author, Noteworthy Changes to Alberta Employment and Labour Standards Legislation, Blakes Bulletin on Employment & Labour
April 8, 2020Co-author, Alberta Government Implements Temporary Changes to Employment Standards, Blakes Bulletin on Employment & Labour
March 20, 2020Co-author, Update: Alberta Government Confirms COVID-19 Unpaid Leave, Blakes Bulletin on Employment & Labour
March 16, 2020Co-author, Alberta Government Announces Paid Leave in Light of COVID-19, Blakes Bulletin on Employment & Labour
May 29, 2019Co-author, Open for Business Act: What It Means for Alberta Employers, Blakes Bulletin on Employment & Labour
Webinars
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