Katherine Reiffenstein

Ms. Reiffenstein represents corporations engaged in Alberta’s oil, gas and chemical industries in commercial litigation proceedings. She also assists individuals and companies involved in negligence, breach of contract and product liability claims.

Areas of Practice

  • Energy Litigation
    • Petroleum and natural gas lease validity and disputes
    • Conflicts involving working interest and operating, including CAPL agreements
    • Surface rights issues, property damage claims and Land Titles issues
  • Commercial and General Litigation
    • Shareholder disputes
    • Contract interpretation
    • Real estate litigation
    • Commercial lease disputes
    • Employment conflicts involving wrongful dismissal, share option agreements, and alleged breaches of fiduciary duties
  • Product Liability and Negligence
    • Subrogated recovery claims involving property damage and product liability
    • Personal injury and tort claims and defence
    • Professional negligence
  • Public and Environmental Law
    • Judicial reviews of government decisions
    • Constitutional and Charter of Rights

Community Service

  • Prior Commitments
    • Director of Soroptomist International of Calgary
    • Chair of Board of Directors of Closer to Home, a local children services agency
    • Board Member of Leave No Trace Canada, a national environmental advocacy group
    • Instructor, Alberta bar admission course
    • Volunteer from 2002 to 2014 for Calgary Legal Guidance’s evening legal advice clinic
    • Member at Large, Executive of CBA South Natural Resources Section
    • Board Member and Vice-President of Calgary Area Outdoor Council
  • Current Commitments
    • President of Soroptimist International of Calgary
Katherine Reiffenstein


Direct Line: (403) 716-2397

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Assistant: Karen Wheaton
(403) 716-2379


B.A. (With Distinction), 1997, University of Alberta
J.D., 2000, University of Victoria

Bar Admission

Alberta, 2001


Ms. Reiffenstein commenced her articles of clerkship with the Alberta Court of Appeal and the Alberta Court of Queens Bench in 2000. She completed her articles at a national law firm and joined Code Hunter in 2002. She has appeared before the Alberta Energy and Utilities Board, all levels of court in Alberta and the Federal Court of Canada.

Professional Affiliations

Law Society of Alberta
Canadian Bar Association
Calgary Bar Association