Patrick T. "Pat" McCarthy KC

Megan L. McMahon is a lawyer recognized by Best Lawyers in the practice areas of Health Care Law, Insurance Law and Medical Negligence. Megan L. practices law in Calgary, Alberta Best Lawyers has recognized Megan L. McMahon since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Megan L. McMahon is held by other lawyers.

Erin J. Runnalls is a lawyer recognized by Best Lawyers in the practice areas of Corporate and Commercial Litigation, Health Care Law and Medical Negligence. Erin J. practices law in Calgary, Alberta Best Lawyers has recognized Erin J. Runnalls since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Erin J. Runnalls is held by other lawyers.

Adil Hirji practices corporate, commercial and securities law with a focus on corporate finance, public and private equity and debt offerings, and mergers and acquisitions. His practice also involves advising issuers on TSX, TSX Venture and CSE listings, including in connection with initial public offerings, reverse takeovers and qualifying transactions. With respect to mergers and acquisitions, Adil has advised clients on a range of complex transactions including plans of arrangement, amalga...

Robert Froehlich currently leads the business law group in our Calgary office and from 2016 to 2020 led our Canadian oil and gas practice. Robert advises domestic and international clients on a diverse range of corporate and commercial matters, with a specific focus on the energy industry. He provides practical and strategic advice to clients on transactions and projects across the energy sector, including on liquefied natural gas, conventional and unconventional upstream petroleum and natura...

John Cassell is the Canadian co-head of our cybersecurity and data privacy practice. John assists clients with all manner of privacy and cybersecurity law issues including: responding to complex local and international cybersecurity incidents, advising on risk management strategies, assisting clients with access to information requests, complying with Canada's anti-spam legislation and proceedings before the offices of the Alberta and federal privacy commissioners.

Lori advises both domestic and international clients on a broad range of tax matters. She has extensive experience in business structuring, corporate reorganizations, pre-sale and divestiture planning, business succession planning, executive and employee compensation, immigration/emigration, trusts, and estates. Corporate, institutional and individual clients turn to her for clear, actionable guidance on complex tax matters. Known for translating intricate tax rules into practical, tax-effici...

Bryant Frydberg, a seasoned corporate tax and mergers and acquisitions lawyer, provides assistance to private corporations as well as owner/manager businesses. Bryant also carries on a complimentary business law practice and has experience with unanimous shareholder agreements and other general business law matters. With a focus on practical solutions, Bryant is devoted to helping clients achieve their goals and objectives. Bryant is a respected figure in the legal and tax community. As a sou...

As one of our founders, Joe was appointed King’s Counsel in 1994 and a Fellow of the Chartered Professional Accountants of Alberta in 1995. He offers tax advice on a wide variety of matters, including resource tax, mergers and acquisitions and dispute resolution. An impactful leader, Joe guides our lawyers with active mentorship and mindful team building. Joe gives back to the community in a myriad of ways, both in an academic and volunteer capacity. He has taught at the University of A...

David Bishop is a partner at Gowlings and head of Calgary's Advocacy Group. David’s practice involves all aspects of corporate/commercial litigation with an emphasis on directors' and officers' defence, product liability, professional liability disputes, shareholder disputes, class actions, large property and industrial claims, and environmental litigation. He is familiar with all aspects of dispute resolution, including private mediations, judicial dispute resolution conferences and ar...

PROFESSIONAL EXPERIENCE: Mr. Halt graduated as the gold medal recipient from the University of Saskatchewan in 1986 and in 1988-89 he had the honour of serving as a law clerk to Madam Justice Bertha Wilson of the Supreme Court of Canada. Following his clerkship, Mr. Halt relocated to Calgary and has since practised civil litigation, including insurance with an emphasis on professional liability, corporate commercial litigation, securities litigation, franchise litigation, insolvency, construc...