Roy Klassen KC

Katherine Ratcliffe is a trusted advisor to high-net-worth individuals, families, and business owners on their estate, trust, and tax matters. She develops sophisticated, client-centric planning strategies that reflect legal precision, practical insight, and a deep understanding of clients’ particular objectives. Katherine’s practice focuses on complex estate planning, trust and corporate structuring, business succession, and post-mortem tax planning. She regularly prepares bespok...

Greg received his post-secondary education at the University of Manitoba, where he obtained his Bachelor of Arts degree in 1975 and his Bachelor of Laws degree in 1978. He won awards for high academic achievement in law school. Greg was called to the Manitoba bar in 1979. He gained extensive trial experience practicing criminal law with the highly respected Winnipeg, Manitoba, law firm of Wolch Pinx Tapper Scurfield. In 1984 Greg began practicing personal injury litigation, and has practiced ...

Lara Mason’s practice encompasses a wide range of commercial litigation matters, including commercial disputes, transnational and cross-border disputes, professional liability matters, insurance coverage disputes and class actions. Ms. Mason has appeared at all levels of court in Alberta, before the Supreme Court of Canada, and before the Alberta Utilities Commission. She has also participated in a variety of alternative dispute resolution processes.Ms. Mason joined our Calgary office a...

Ryan Mullins is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Personal Injury Litigation. Ryan, who practices law in Calgary, Alberta, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ryan is held by other top lawyers in the same geographic and legal practice area.

Patricia Olyslager completed her law degree at the University of Calgary and was called to the bar in 2000. Patricia completed her articles with Parlee that same year. She then moved on to another firm and rejoined Parlee in 2013, becoming a Partner in 2019. Patricia’s practice primarily focuses on litigation, specializing in insurance coverage and defence, disability, product liability, and commercial litigation. Prior to attending law school, Patricia received a degree in nursing from...

Devin has a commercial and real estate practice with a focus on purchase and sale transactions, financings, corporate matters, condominium developments, and commercial and residential leasing. He also advises on a variety of development-related matters. Devin works with a broad range of clients, including business owners, lenders, borrowers, landlords, tenants, and commercial developers. His experience includes acting on major housing developments in Calgary and Fort McMurray, advising on hos...

Brenden Hunter practices energy regulatory, Indigenous and environmental law. Frequently appearing before regulatory tribunals, Brenden has extensive project experience, providing representation and assistance to clients in developing and defending applications. Brenden also advises on and assists regulated utilities with their rate related applications, both generic and utility specific. Brenden’s project experience includes acting for and advising clients regarding: electrical (high v...

Tim is peer ranked as one of the top labour and employment lawyers in Canada. For over 25 years, Tim has advocated for federally and provincially regulated employers on matters related to workplace law. He acts as lead counsel on significant labour, employment, and workplace human rights cases, including in matters that have been elevated to the Supreme Court of Canada. Tim sets a new standard for employer advocacy. His commitment to building trusting relationships through counseling employer...

Kelly practices energy, commercial and securities litigation. He has extensive experience with claims in the oil & gas, construction, and securities industries. He acts as counsel for investment dealers, investment advisors and investors in securities regulation, investigation and enforcement matters, and other investment related claims. Kelly has argued cases at all levels of court in Alberta, the Tax Court of Canada, securities regulatory tribunals, and the Canadian Investment Regulator...

Kamil Umar is a commercial real estate lawyer based in Calgary. He takes a business-minded and market-driven approach to his practice, ensuring clients receive practical and thoughtful advice on matters including property purchase and sale, land development and land use planning, condominium and strata development, leasing of all asset classes, and financing and public infrastructure work. Kamil acts for diverse clients, including residential, commercial and industrial developers, privately a...