Dalton McGrath, QC, FCIArb.

Blake Cassels & Graydon - Alberta

855 - 2nd Street S.W.
Suite 3500, Bankers Hall East Tower

AB T2P 4J8

Litigation Star



Practice area:


T: +1 403 260 9654
M: +1 403 870 4666
E: dwm@blakes.com
W: blakes.com

Dalton W. McGrath, Q.C. is a litigation lawyer with a reputation of being a practical, highly-skilled, innovative, strategic and a result-driven trusted advisor whom is intensely focused on solving his clients’ most important problems.

Dalton is lead counsel on a number of high-profile and complex business disputes including having represented, as lead counsel, ExxonMobil in successfully setting aside the highest damages at large and the highest punitive damage award in Canadian law (see: 321665 Alberta Ltd v Husky Oil Operations Ltd, 2013 ABCA 221 (CanLII), leave to SCC denied 2014 CanLII 1208 (SCC)), summarily dismissing a $30M putative class action, successfully acting for energy companies in a multitude of disputes (see: ENMAX PPA Management Inc v Balancing Pool, 2017 ABQB 605), representing domestic and international clients in successfully defending intellectual property disputes including as acting as lead counsel in one of the leading oil and gas patent disputes in Canada (see: Packers Plus Energy Services Inc v Essential Energy Services Ltd, 2017 FC111 and Phoenix Technology Services LP v Braisher, 2007 ABQB 261) and litigating several high-profile injunction applications (see: ENMAX Energy Corporation v Balancing Pool, 2017 ABQB 718 and Catalyst Canada Services LP v Catalyst Changers Inc, 2013 ABQB 73). In addition, Dalton has extensive experience in both domestic and international arbitration and is a Fellow of the Chartered Institute of Arbitrators (FCIArb). He was also appointed Queen’s Counsel in 2010 by the Lieutenant Governor of Alberta.

Clients describe Dalton in the Benchmark 2017 ratings as “a brilliant and creative strategist with top-notch legal, procedural and advocacy skills and expertise”. Acritas Research state clients of Dalton report that he is “the best courtroom lawyer in Calgary. He has the best courtroom skills, he has an insane work ethic, he is very practical, very driven to results and very smart.”

Dalton undertakes extensive pro bono work including being the Chairman of the Professional Advisory Committee of Calgary Legal Guidance, Calgary’s largest pro bono legal provider. He was awarded the Terry Fox Humanitarian Award on account of his charity work.

Last updated: March 27, 2018