Gary F. Zimmermann

Gary F. Zimmermann: Attorney with McLennan Ross LLP
  • Partner at McLennan Ross LLP
  • 600 McLennan Ross Building, 12220 Stony Plain Road, Edmonton, AB, Canada T5N 3Y4
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Gary’s practice focuses on commercial litigation, municipal law, insurance law and occupational health and safety (OHS) law.

Gary sat on the Subdivision and Development Appeal Board (SDAB) in Strathcona county for a number of years and has been involved in various hearings in front of the SDAB. He sought leave to appeal at the Alberta Court of Appeal on a decision related to Offsite Levies and is quite familiar with the appeal process. Further, he has advised clients on protracted and challenging development matters.
Gary is one of the few lawyers in Canada to have extensive experience as an Independent Supervising Solicitor and Counsel of Record for parties in Anton Piller Orders (civil search warrants).

He also has significant experience as lead counsel on numerous, multi-party, high-stakes litigation files and has pursued and defended numerous complex actions involving contractual disputes, shareholder disputes, commercial disputes, landlord and tenant matters as well as product liability cases.

Gary advises major institutional insurance clients on automobile, CGL and property matters.



•“Occupational Health & Safety Legislation Framework and the Demand for Due Diligence”, LESA Publication 11.35


•“Recent OHS Developments in the Medical Sector: Giving Care to the Care Givers”, OHS Insider
•“Alberta’s OHS Branch Targets the Health Care Sector”, Gary F. Zimmermann and Jon P. Rossall, Q.C., The Alberta Doctor’s Digest
•“Condos in Crisis - A Practical Review”, LESA Publication 71.26


•“Social Networking Websites - Changing the Face of Litigation and Document Production”, Claims Canada



• Anton Piller Orders: Locking Up Your Case in Civil and Criminal Matters, Association of Certified Fraud Examiners


• Making Sense of Criminal Liability for Workplace Accidents in Canada, Canadian Association of Oilwell Drilling Contractors (CAODC) - Nisku


•“Occupational Health & Safety Law Fundamentals for In-House Counsel”, Legal Education Society of Alberta (LESA) - Calgary & Edmonton
•“Anton Pillers in the Business Community”, Canadian Bar Association - Business Law Section


•“OHS in the Medical Sector”, Continuing Care Safety Conference
•“Anton Pillers: “Search Warrants” in Civil Matters - Locking Up Your Case”, Northern Alberta Risk and Insurance Management Society Inc.
•“Oral Advocacy”, Canadian Centre for Professional Legal Education
•“Excellence in Claims Management”, Risk Insurance Managers Society - Canada Conference
•“Anton Piller: Tips and Traps for Intellectual Property Litigation”, Canadian Bar Association
•“Chambers Advocacy”, Canadian Centre for Professional Legal Education
•“The Discovery Process - Oral & Written”, Canadian Centre for Professional Legal Education
•“Social Networking Websites and the Law of Discovery”,
•“Real Estate: Beyond the Basics. Condos in Crisis - A Practical Review”, Legal Education Society of Alberta - Calgary & Edmonton



•Represents shareholders, directors and officers in complex and often “personally charged” corporate disputes
•Represents employees/shareholders in developing corporate exit strategies. Successes include acquiring a payout of nearly 10 times the amount initially desired by a client
•Represents large energy companies in the collection of doubtful accounts
•Represents a small, closely held, successful company in various litigation files, including: debt, breach of contract and negligence matters, with “wins” on all matters to date
•Represents landlords and tenants in commercial lease negotiations, as well as resolving disputes including: percentage rent, common area cost disagreements, non-payment of rent and quiet enjoyment
•Represents claimants in land disputes

Occupational Health & Safety

•Designs and executes customized in-house occupational health and safety training programs for clients across Canada, and has presented over 70 seminars in the past three years
•Represents Alberta’s largest medical group in relation to various OHS matters, with a focus on the relationship between clinics, doctors and medical OHS considerations
•Represents one of Canada’s largest retail grocers in establishing a strong/comprehensive due diligence program supported through training
•Represents major oil, energy and manufacturing companies on various OHS matters


•Represents major institutional, automobile, commercial general liability and property insurers on liability, damage, coverage and subrogation issues
•Provides coverage opinions regarding insurer’s duty to defend and duty to indemnify
•Promotes and defends fire loss claims

Anton Pillers

•One of the few lawyers in Canada with significant experience in Anton Piller matters
•Acts as Independent Supervising Solicitor and Counsel of Record for parties in numerous Anton Piller Orders (civil search warrants) across Alberta
•Appointed by Court Order to orchestrate the search and seizure of key records.
•Ensures that the rights of the parties to the litigation are protected and exercised pursuant to Judicial direction
•Provides advice which allows the Applicant and their counsel to reduce anticipated expert fees

Areas of Practice (6)

  • Litigation
  • Occupational Health & Safety
  • Insurance & Risk Management
  • Municipal
  • Health
  • Construction

Education & Credentials

Contact Information:
780.482.9208  Phone
University Attended:
University of Alberta, B.A.; University of Alberta, B.A., Education
Law School Attended:
University of Alberta, LL.B.
Year of First admission:
1997, Alberta

Professional Associations, Affiliations and Community Activities

•Council Delegate, Canadian Bar Association Alberta
•Member, Canadian Bar Association Alberta
•Insurance Section
•Civil Litigation Section
•Intellectual Property Section
•Chair, CRIMS Committee, ARC Group of Canada
•Member, Edmonton Bar Association
•Member, Canadian Bar Association's Mentorship program
•Judge, First year Moot Court exercise at the University of Alberta

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    Edmonton, Alberta

    • Edmonton, AB
      600 McLennan Ross Building , 12220 Stony Plain Road
      Edmonton, AB T5N 3Y4

      780.482.9208 Phone

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