Peter Mueller

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Peter Mueller

Peter Mueller Associate

  • University of Manitoba (J.D., 2013)

Peter’s work in the Labour & Employment Law field includes acting as chief negotiator for management in collective bargaining, defending wrongful dismissal lawsuits, and giving practical advice to clients operating in both non-unionized and unionized workplaces, including dealing with grievances and arbitrations under collective agreements. His advocacy experience includes representing management before and /or with respect to proceedings involving:

• labour Boards (the Manitoba Labour Board and the Canada Industrial Relations Board);
• other administrative decision-makers (grievance arbitrations, the Manitoba Employment Standards Branch, the Manitoba Human Rights Commission, Adjudication under the Human Rights Code, unjust dismissal adjudications under the Canada Labour Code, and interest arbitrations); and
• all levels of Court of Manitoba and the Federal Court of Canada (including obtaining injunctions against union picketing activity during a strike or lockout and judicial review proceedings).

In making difficult situations less stressful, Peter works with clients to provide them with practical advice tailored to their particular circumstances. Peter works ethically and transparently to build strong and long-lasting relationships with his clients.

An active volunteer in his the community, Peter has been on the board of Community Respite Services Inc. since June 2014 and currently sits as Treasurer and Secretary. For over a decade, he volunteered for the Winnipeg Public Library’s Homebound Services Program, which helps deliver library books to people with mobility issues across Winnipeg.

Memberships and Professional Designations

  • Manitoba Bar Association
  • Taylor McCaffrey is the exclusive Manitoba member of the Employment Law Alliance, the world’s largest and leading management side network of labour and employment lawyers with selected members literally worldwide
  • Canadian Association of Counsel to Employers (CACE) – the leading management-side labour and employment lawyers organization in Canada


  • Community Respite Service Inc., Board Member (June 2014- Present) 
  • Administrative Law Section of the Manitoba Bar Association, Member-at-Large (November 2014 – 2017)


  • Faculty of Law Dean’s Honour List (2010-2011) 
  • Neil James MacDonald Memorial Prize, Criminal Law (2011) 
  • Kimberly Dawn Gusto Memorial Award, Children and the Law (2012)


  • Co-author, “Loose Lips Sink Ships…and Settlements Too?”, Canadian Association of Counsel to Employers 10th Annual Conference materials


  • Community Legal Education Association, Instructor on Employment Law (2014 to Present)

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Articles and Resources by Peter Mueller

Resources by Peter Mueller

Supreme Court of Canada confirms employer must pay nearly $1.1 million to former employee – Matthews v. Ocean Nutrition Canada Ltd.

2020 | 10 | 26

Matthews v. Ocean Nutrition Canada Ltd. is a recent decision of the Supreme Court of Canada (the "SCC") that dealt with the issue of how much money an employee is entitled to when successfully suing a former employer for wrongful dismissal (i.e. when an employee is dismissed by an employer without adequate notice).


New leave of absence available to employees in Manitoba unable to work due to COVID-19 pandemic

2020 | 04 | 16

In light of the COVID-19 pandemic, The Employment Standards Code (the "Code") has been amended to introduce a new, unpaid public health emergency leave for employees in Manitoba whose ability to work is affected by the COVID-19 pandemic. 


Agreement that Salary Includes 100 Hours of Overtime per Year Breaches Employment Standards Legislation

2019 | 02 | 19

In WAPSO, IFPTE Local 188 v. The City of Winnipeg (unreported) (“WAPSO v. Winnipeg”), the arbitrator hearing a grievance commenced by the union was tasked with deciding whether the overtime provisions contained in a collective agreement were in breach of The Employment Standards Code (the “Code”), the legislation in Manitoba that sets out minimum employment standards