Halsbury's Laws of Canada – Oil and Gas (2021 Reissue) / Partnerships (2021 Reissue)

Michael A. Thackray, Q.C., B.Sc., LL.B., is a leading authority on oil and gas law both in Canada and internationally. Since 2003, Mr. Thackray has been commended for his extensive knowledge and experience in a variety of respected publications, including The Best Lawyers in Canada: Natural Resources Law, The Canadian Legal Lexpert Directory: Energy: Oil & Gas and Lexpert Special Edition – Canada’s Leading Lawyers: Energy.

Mr. Thackray currently serves on the Board of Directors of both public and private oil and gas companies in Canada as well as being President and CEO of The Carrot River Valley Land Company (Limited), a Canadian oil company incorporated in 1905. Other Canadian law firms have retained Mr. Thackray as an expert on oil and gas matters and, as a result, Mr. Thackray has been qualified as an expert in the United States and before the Alberta courts and has provided expert opinion reports and evidence at trial. Mr. Thackray was named one of Alberta's 50 Most Influential People by Alberta Venture Magazine.

Mr. Thackray received his B.Sc. from the University of Victoria in 1982, received his LL.B. from the University of Saskatchewan in 1986, was admitted to the Law Society of Alberta in 1987, was admitted to the Law Society of British Columbia in 2015 and was appointed Queen's Counsel in 2007.

In addition to writing Halsbury's Laws of Canada Oil and Gas (originally published in 2009 and updated in 2013 and 2017), Mr. Thackray re-wrote and is currently the General Editor of Canadian Oil and Gas, 3rd Edition (LexisNexis Canada), is the author of "Chapter 42 – Oil and Gas" O'Brien's Forms (Carswell) and has taught, lectured and written extensively in the field of oil and gas law.

Maurice Coombs, B.Sc., LL.B., LL.M., is a former partner at Osler, Hoskin & Harcourt LLP and was a Senior Member of the firm’s Research Group until his retirement at the end of December 2004. Until January of 1998, he served as Chair of the firm’s Research Group, a post he held for more than 15 years. From time to time engaged in research in all areas of the firm’s broad practice, his work at Osler was concentrated in corporate and commercial law, trust law, partnerships, institutional investment law, conflicts of laws and similar matters. He worked extensively for various public- and private-sector pension funds, as well as major investment houses, structuring products for institutional investment purposes. He also undertook consulting roles with federal and provincial authorities on various legislative initiatives. Maurice has lectured at, and written papers for, legal and professional programs held by a variety of organizations. In his earlier years, Maurice studied at the University of Toronto (B.Sc.), Osgoode Hall Law School (LL.B.) and York University (LL.M.). After graduating from Osgoode Hall, he worked for some five years as a Legal Research Officer at the Ontario Law Reform Commission. In 1972, he left the Commission and joined Bertha Wilson at Osler, Hoskin & Harcourt in her research practice. Since he retired from Osler, Maurice has undertaken a series of freelance and contract research projects and has authored, co-authored or contributed to various LexisNexis Canada publications, including the Agency, Bills of Exchange, Bankruptcy and Insolvency, Business Corporations, Equitable Remedies, Partnerships and Real Property titles for Halsbury’s Laws of Canada and is a co-author with Kevin McGuiness of Canadian Business Corporations Law, 4th Ed.