Allison MacKinnon represents clients in oil and gas transactional matters, including acquisitions and divestitures of upstream and midstream assets. She has negotiated and drafted purchase and sale agreements, exchange agreements, development agreements and other commercial agreements pertaining to the day to day operations of energy companies. Allison has extensive experience coordinating and conducting due diligence for large-scale domestic and international oil and gas and mining transactions and has prepared all forms of title opinions, including drilling, division order and acquisition opinions covering fee, state and federal lands.

Ms. MacKinnon was born and raised in St. Louis, Missouri. She attended the University of Wisconsin, graduating with a B.A. in Legal Studies in 2007. While at Wisconsin, she was a captain of the women’s soccer team, was named Academic All-Big Ten and received the Student-Athlete Excellence award for excellence on and off the field of competition. In 2011, Ms. MacKinnon graduated from the University of Colorado School of Law. Upon graduation, she began her career as an associate with a well-respected oil and gas boutique law firm in Denver, Colorado.  


  • Co-Presenter, "Purchase & Sale Agreements and Due Diligence in Oil and Gas Transactions," Denver Association of Lease and Title Analysts, November 2018
  • Member, Audit and Risk Management Committee of the Rocky Mountain Mineral Law Foundation
  • Colorado Bar Association Trustee to the Rocky Mountain Mineral Law Foundation (2018- )
  • Selected to the Denver Petroleum Club's 2017 Mentor Program
  • At-Large Position, CBA Natural Resources and Energy Law Section Executive Committee
  • Co-Author, "Lessee and Transferee Qualifications," Law of Federal Oil & Gas Leases (2016)
  • Co-Author and Co-Presenter, “Overview of Complicating Factors Affecting Title,”  Nuts and Bolts of Mineral Title Examination, Rocky Mountain Mineral Law Foundation, April 2015


In her free time, Ms. MacKinnon enjoys skiing, traveling and spending time with her husband and Bernese Mountain Dog, Cooper.

Allison MacKinnon

PHONE: +1 303 830 2500

FAX: +1 303 832 2366

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  • Oil and Gas
  • Acquisitions and Divestitures
  • Corporate Law
  • Real Estate
  • Mineral Title
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  • J.D., University of Colorado School of Law, 2011
  • B.A., University of Wisconsin, 2007

  • Colorado, 2011
  • New York, 2018
  • Texas, 2018

  • American Bar Association
  • Colorado Bar Association
  • International Bar Association
  • Rocky Mountain Mineral Law Foundation
  • Denver Petroleum Club
  • Denver Association of Oil and Gas Title Lawyers
  • Women's Energy Network-Colorado