John R. Gilmore

Shannon joined Parlee McLaws as an associate in 2003 following the completion of her articles with the firm. She has focused her practice in the area of civil litigation, with a primary emphasis on oil and gas litigation and insurance defence matters. Specifically, in the oil and gas context, Shannon has extensive experience litigating all aspects of the industry including: Lease disputes Drilling contracts Service Agreements Constructive dismissal Breach of fiduciary duties Breach of confide...

Sarah’s practice is focused on securities and capital markets, mergers and acquisitions, shareholder activism and corporate governance. Canadian and international corporations, underwriters and investors rely on Sarah for her practical, results-oriented approach to complex legal issues across a wide range of industries, including energy, oil and gas, mining, technology, life sciences and financial services. Sarah has extensive experience on domestic and cross-border corporate finance tr...

Curtis is a partner at Carbert Waite LLP, Fellow of the Chartered Institute of Arbitrators, and Co-Chair of the firm’s Commercial Litigation Practice. Curtis has extensive experience in a wide variety of commercial litigation and arbitration matters, including international arbitration and litigation, defamation, and estate litigation. His clients include multinational corporations, energy companies, construction companies, family-run businesses, and individuals. He also acts for US and...

Darren Hueppelsheuser’s practice concentrates on income tax law, with an emphasis on the tax aspects of financing and transaction planning for corporations and partnerships in both private and public transactions. Mr. Hueppelsheuser also advises on international tax structuring of Canadian inbound and outbound investments and the tax aspects of debt reorganizations and financial restructurings in creditor proceedings. Mr. Hueppelsheuser regularly presents on tax matters and has written ...

Ken’s practice focuses on tax litigation and tax dispute resolution. With over 30 years as a tax lawyer, he also has extensive experience in corporate tax planning, reorganizations and personal tax planning. Becoming partner at Felesky Flynn in 1996, Ken was co-managing partner from 2008 to 2015 and was appointed King’s Counsel in 2008. He has represented taxpayers before the Supreme Court of Canada, Tax Court of Canada, Federal Court of Appeal, Alberta Court of Queen’s Benc...

Dale practices in the areas of commercial, general and business aviation, banking and finance, and corporate commercial law. Dale is a leading practitioner in the aviation field, having provided legal counsel to domestic and foreign air carriers, aircraft maintenance, repair and overhaul companies, lenders/borrowers, lessors/lessees, buyers/sellers, and institutional clients in all manner of aviation transactions and in respect of the establishment and merger of commercial air services, both ...

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...

Rick Breen is a highly-experienced lawyer assisting his clients with practical advice on structuring their corporate and personal matters. He has worked with owner managers to establish, grow and ultimately transition businesses for over 20 years. Additionally, Rick’s experience with personal planning allows him to ensure the personal affairs of his clients are in order. Rick provides pragmatic advice and counsel in acting for owner managers and their families to address risk and planni...

Dana attended the University of Toronto, receiving her Bachelor of Arts degree (Honours) before attending the University of Saskatchewan, receiving her Bachelor of Laws degree in 1992. Dana was called to the British Columbia bar in 1993 and practiced in Vancouver with the well-respected law firm, Hammerberg Lawyers LLP, after spending the early part of her career as in-house counsel. Dana successfully completed transfer examinations and was called to the Alberta bar in 2001, moving to Calgary...

Sarah Coderre is a top attorney recognized by Best Lawyers in the practice area(s) of Labour and Employment Law. Sarah, 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 Sarah is held by other top lawyers in the same geographic and legal practice area.