Peter A.K. Vetsch

Jessica A. MacDonald is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Family Law Mediation. Jessica A., who practices law in Calgary, Alberta, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jessica A. is held by other top lawyers in the same geographic and legal practice area.

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...

Katherine Stys is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Medical Negligence. Katherine, who practices law in Calgary, Alberta, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katherine is held by other top lawyers in the same geographic and legal practice area.

Patrick Laycock is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Patrick, 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 Patrick is held by other top lawyers in the same geographic and legal practice area.

Doak Horne is a partner in Gowlings’ Calgary office, practising in the area of intellectual property litigation and patent prosecution for over 25 years. Doak is a Registered Patent and Trademark Agent in Canada and the United States, as well as a registered professional engineer. He has been involved in preparation, filing, and prosecution of patents, trade-marks, and industrial designs before the Canadian Intellectual Property Office, and been extensively involved in licensing matters...

Beth Younggren is a member of Dunphy Best Blocksom LLP ’s civil litigation and dispute resolution team. She joined the firm in 2015 after articling with and then working as associate counsel at a large multi-national law firm in its civil litigation group. Beth maintains a diverse commercial litigation practice, and specializes in advising clients with respect to construction litigation, including builders’ liens, contractual disputes, especially in the oil and gas and real estate...

Mark Sawyer articled with Dunphy Best Blocksom LLP in 2003 and became a partner in 2010. Mark’s practice focuses on the business and commercial aspects of the law, as well real estate and estate planning. Mark works with many privately held businesses, advising them on their corporate, financing, contract and shareholder matters. Mark provides advice as well on the incorporation of new businesses and the sale and purchase of existing companies. He also acts for clients who are buying, s...

Alan Harvie has practised energy and environmental/regulatory law since 1989 and regularly deals with commercial, operational, environmental and regulatory issues, especially for the upstream and midstream oil and gas, energy, waste disposal and chemical industries. He is a member of our energy and environmental departments. Mr. Harvie also has significant legal experience acting for the oil and gas industry in commercial transactions and regulatory matters, including enforcement proceedings,...

Carolyn maintains a corporate commercial practice with a focus on business transactions, including private and public mergers and acquisitions, private equity transactions, corporate reorganizations, and debt and equity financings. She also advises clients on corporate governance and general corporate and securities law matters. Carolyn regularly acts for Canadian and U.S. private equity firms and their portfolio companies, as well as clients in the energy sector, including midstream companie...

Caroline Lee, KC is a senior family law practitioner specializing in family law and alternative dispute resolution including collaborative family law, mediation and arbitration. She joined Dunphy Best Blocksom LLP 1989 with an established background in all aspects of family law. Caroline became a partner in 1994 and was managing partner of the firm for six years. She was appointed King’s Counsel in 2004. Caroline has been involved as a family law teacher and lecturer with the Legal Educ...