JSS Barristers LLP

13 Best Lawyers awards

JSS Barristers LLP logo

Awarded Practice Areas

Alternative Dispute Resolution Appellate Practice Class Action Litigation Corporate and Commercial Litigation International Arbitration Legal Malpractice Law Oil and Gas Law Personal Injury Litigation

Biography

Carsten is a founding member and senior partner of JSS Barristers, the largest civil litigation boutique law firm in western Canada. His practice emphasizes complex and multi-party corporate and commercial litigation, commercial class actions, oil & gas litigation including royalty, environmental and CAPL issues, shareholder disputes, advising creditors and others in insolvency matters and professional negligence claims.

During a leave of absence from JSS Barristers, he served as Senior Legal Officer at the United Nations Compensation Commission in Geneva, Switzerland from 1998 to 2000, dealing with claims from the first Persian Gulf war, including Kuwait’s oil loss claim arising from oil well fires started by Iraqi forces. Carsten has extensive trial and appellate experience and is frequently retained in conflict matters. He was lead counsel on the largest securities class action in Canada which settled in 2009, and is presently lead counsel in several other class actions.

Carsten has been a bencher of the Law Society of Alberta since 2006, and was President of the Law Society in 2013. Carsten previously served two terms as Chair of the Law Society’s Conduct Committee, and before that he served as Chair of Credentials and Education and Chair of Finance. Carsten was formerly Vice President of the Alberta Civil Trial Lawyers Association, and he was appointed QC in 2006.

A full biography is available at: https://jssbarristers.ca/litigators/carsten-jensen/

JSS Barristers LLP

13 Best Lawyers awards

JSS Barristers LLP logo

Overview

  • Alberta, Law Society of Alberta, 1991

  • Chartered Institute of Arbitrators (UK) - Fellow - FCIArb
  • Alberta, Law Society of Alberta, 1991
  • Chartered Institute of Arbitrators (UK) - Fellow - FCIArb

Client Testimonials

Awards & Focus

Lawyer of the Year Badge - 2025 - International Arbitration Lawyer of the Year Badge - 2021 - Class Action Litigation Lawyer of the Year Badge - 2019 - Personal Injury Litigation Lawyer of the Year Badge - 2018 - Class Action Litigation Lawyer of the Year Badge - 2012 - Class Action Litigation
Named "Lawyer of the Year" by Best Lawyers® for:
  • International Arbitration, Calgary, Canada (2025)
  • Class Action Litigation, Calgary, Canada (2021)
  • Personal Injury Litigation, Calgary, Canada (2019)
  • Class Action Litigation, Calgary, Canada (2018)
  • Class Action Litigation, Calgary, Canada (2012)
Recognized in The Best Lawyers in Canada 2026 for work in:
  • Alternative Dispute Resolution
  • Appellate Practice
  • Class Action Litigation
  • Corporate and Commercial Litigation
  • International Arbitration
  • Legal Malpractice Law
  • Oil and Gas Law
  • Personal Injury Litigation
Awards:
  • AV Preeminent Peer Review Rating for Ethical Standing, Martindale-Hubbell, 2021
  • AV Preeminent Peer Review Rating for Professional Excellence, Martindale-Hubbell, 2021
  • Band 2, Litigation: General Commercial (AB), Chambers Canada, 2020
  • Litigation Star, Benchmark Litigation, 2020
  • Consistently Recommended, Class Actions, Lexpert, 2020
  • Queen's Counsel Appointment, 2006

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