McLeod Law



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The convenience of two offices (downtown and south Calgary) makes it easier to meet with your lawyers.

Calgary South

300, 14505 Bannister Road SE
Calgary, AB T2X 3J3

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Calgary Downtown

Manulife Place
500, 707 - 5 Street SW
Calgary, AB T2P 1V8

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Deirdre Lanigan



OFFICE: Downtown


  • 2009 University of Alberta, LLB
  • 2003 University of Calgary, B.Sc.


  • 2010 Alberta


Deirdre maintains a broad corporate/commercial practice, regularly advising entrepreneurs on business formation, organization, and compliance. She has extensive experience in mergers and acquisitions, reorganizations, and restructurings, and she drafts and negotiates contracts for business transactions, including asset and share acquisitions, sales agreements, service agreements, and property co-ownership and management agreements. Additionally, Deirdre assists clients with bank and equity financing.

In her real estate practice, Deirdre advises on all aspects of commercial real estate and farmland transactions, including acquisition, financing, sales, conveyancing, land development, limited partnership structuring, and commercial leasing for landlords, property managers, and tenants. She has experience with Indigenous clients on economic development and land management, both on designated lands and those under a land code.

With years of experience in the liquor and hospitality industry, as legal counsel to various restaurant and brewery groups, Deirdre has gained invaluable insight into the specific legal challenges faced by those in the industry.

Deirdre also has considerable experience working with clients in the veterinary industry. She has acted for numerous veterinary practices in Alberta and regularly advises clients on share structuring for veterinary practice entities and compliance matters with the Alberta Veterinary Medical Association (AVMA) and the Practice Inspection and Practice Standards (PIPS) Committee.

  • Recognized as Top 40 Under 40, Avenue Magazine (2015)
  • Law Society of Alberta
  • Calgary Bar Association 
  • Business Law Subsection, Canadian Bar Association
    • Member, 2010-present
  • Commercial Real Property Subsection, Canadian Bar Association
    • Member, 2010-present
  • Securities Law Subsection, Canadian Bar Association
    • Member, 2010-present
  • Girls Hockey Calgary, Assistant Coach
  • Alberta Small Brewers Association, Director (2013 - 2021)
Teaching Roles & Speaking Engagements


Taproom Sessions, various topics

Alberta Small Brewers Association, October 2023 - present


Trademark Tips for Breweries

Alberta Small Brewers Association, Alberta Craft Brewing Convention, October 2023 (Calgary)


Taste of UAlberta: Virtual Craft Beer Tasting

University of Alberta Alumni, October 2020 (Edmonton)

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