Kirk is a partner at Koskie Minsky. His practice focuses on class actions. He has been recognized by Lexpert® as a leading Canadian practitioner in class actions. He has appeared in courts across the country, including the Supreme Court of Canada, on matters dealing with class action litigation. Kirk was counsel in Cloud v. Canada, the first Indian residential schools class action certified in Canada. A $4-billion settlement was reached in the case. Kirk was designated as lead counsel to handle the nine settlement approval hearings. The settlement was approved by all provincial and territorial courts involved. Over 90,000 class members have made claims. Kirk was counsel in Markson v. MBNA Canada Bank, which was certified by the Ontario Court of Appeal. The court’s decision expanded the situations where an aggregate assessment of damages may be used. He was counsel for the plaintiff in Re Nortel Networks Corp securities litigation. A settlement was reached totalling over $2.4 billion.