Patricia (Trish) L. Morrison

National Business Leader, Construction


Trish advises on all facets of the construction industry, acting for a variety of clients including owners, contractors and sureties, on large scale construction disputes arising out of commercial, industrial and infrastructure projects.

Her expertise also extends to front-end construction matters such as tendering and other procurement methods, as well as contract drafting, including the negotiation and drafting of P3 agreements and providing strategic advice throughout project execution.

Trish also advises clients on environmental matters, having acted as counsel on numerous contaminated-site litigation cases and advising on environmental issues in commercial transactions.

Trish acts as counsel in litigation involving general corporate/commercial matters, including fidelity claims and product liability disputes.

She has appeared before all levels of court in Alberta and has acted as counsel in many arbitration proceedings and mediations.


  • Project counsel for the Construction Manager of the TELUS Sky Project in Calgary, Alberta
  • Counsel for a design-build contractor in a dispute arising out of the design and construction of a highway infrastructure project in Alberta
  • Counsel for an international engineering company in a dispute arising out of the design and construction of a oilsands production facility
  • Counsel for a general contractor involved in disputes with the owner and numerous subcontractors arising out of the construction of an international airport
  • Defence of claim for breach of contract and negligence arising out of the explosion and destruction of a decoking facility at the CNRL Horizon Project in the oil sands
  • Counsel for an engineering company in an arbitration for damages arising out of the design and construction of a federal building in Alberta
  • Counsel in the defence of a claim for damages arising out of negligence and breach of contract related to the failure and forced shut down of a Boiler Feedwater Preheat Exchanger
  • Counsel for an owner in a six week, multi-party UNCITRAL arbitration claiming damages against two contractors and a fabricator in relation to the construction of a sour gas processing plant in northern Canada
  • Defended an international engineering company against a claim for damages arising out of negligent design and project delay on pipeline project in a five-week arbitration.
  • Counsel for an architect in the defence of an action by an owner for negligent design resulting in building envelope and other deficiencies

Beyond our Walls

Professional Involvement

  • Fellow and Governor, Canadian College of Construction Lawyers
  • Past Chair, Canadian Bar Association, National Construction Law Section
  • Member, Canadian Bar Association, Construction Law Section, Southern Alberta

Community Involvement

  • Director, Famous Five Foundation (Celebrating Leadership in Women), 2010- present

Awards & Recognitions

  • Recognized in the 2022 edition (and since 2011) of The Best Lawyers in Canada® (Construction Law).
  • Recognized in the 2021 (and since 2018) edition of Chambers Canada – Canada's Leading Lawyers for Business (Construction).
  • Recognized in the 2021 edition (and since 2011) of The Canadian Legal Lexpert® Directory (Construction Law).
  • Recognized in the 2021 (and since 2017) editions of Benchmark Canada - The Definitive Guide to Canada's Leading Litigation Firms & Attorneys as a Local Litigation Star: Alberta and a Litigation Star: Construction, Environmental.
  • Recognized in the 2020 edition of Who's Who Legal: Canada.
  • Recognized as a leading infrastructure lawyer in the 2021 edition (and since 2014) of the Lexpert® Special Edition on Infrastructure.
  • Recognized in the 2020 and 2019 editions of Who's Who Legal: Construction.

Bar Admission & Education

  • Manitoba, 2015
  • Alberta, 1998
  • LLB, University of Calgary, 1997
  • BA (Hons.), Queen's University, 1993