Jonathan W. Kahn

Jonathan W. Kahn

(416) 863-3868
(416) 863-2653
199 Bay St, Suite 4000, Commerce Court West, Toronto, ON
Year called to bar: 1988 (ON)
Jonathan is widely regarded as one of Canada's leading environmental lawyers and Chaired Blakes’ national Environmental group for more than 10 years. He has, for more than 30 years, provided representation and advice on a broad range of environmental and natural resources law issues. Jonathan represents clients on the purchase, sale, and remediation of contaminated land, mining and energy regulation and permitting; management of natural resources; the transportation, chemicals management; handling and disposal of hazardous substances; environmental permitting; air, water and waste regulation; lender liability; ESG and sustainability and other environmental matters. He has represented corporations in significant environmental prosecutions, acted for proponents in major mining, renewable energy and infrastructure projects and provided environmental law advice on significant transactions. Jonathan served as Chair of the American Bar Association's Section of Environment, Energy and Resources Law (the first non-American to serve on the Executive Committee) in 2022–23, and is also a former Chair of the Canadian Bar Association National Environment, Energy and Resources Law Section.
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Canada’s top environmental lawyers in 2021
We reveal Canada’s top environmental lawyers based on Lexpert’s latest comprehensive peer review
On December 29, 2017, Mr. Don E. Wall (Don Wall), PHI Inc. (PHI) and HNZ Group Inc. (HNZ), a Toronto Stock Exchange-listed provider of helicopter transportation and related support services, completed a statutory plan of arrangement pursuant to which, among other things, Don Wall, through a beneficially wholly-owned acquisition company, acquired all of the issued and outstanding common shares and variable voting shares of HNZ for $18.70 in cash per share, and PHI subsequently acquired HNZ’s offshore business conducted in New Zealand, Australia, the Philippines and Papua New Guinea. The total consideration paid to former holders of HNZ shares was approximately $233 million
On February 16, 2017, Catalent Pharma Solutions Ltd. announced the completion of its purchase of all of the shares of Accucaps Industries Ltd. from Apotex Holdings Inc. for an undisclosed price.
On October 2, 2015, Stella-Jones Inc. announced that it had completed the acquisition of the shares of Ram Forest Group Inc. and Ramfor Lumber Inc.
Johnson Electric Holdings Limited, a global leader in electric motors and motion subsystems, announced on October 27, 2015, that it had completed the acquisition of Stackpole International, a leading supplier of engine and transmission pumps and powder metal components, primarily for automotive applications.
On July 31, 2015, CRH plc completed its acquisition of certain assets from LafargeHolcim, for an enterprise value of €6.5 billion.
Ashland Inc. successfully completed the divestment of its global Ashland Water Technologies (AWT) business unit to a fund managed by private investment firm Clayton, Dubilier & Rice in a transaction valued at approximately US$1.8 billion. Net proceeds from the sale totaled approximately US$1.4 billion, which will be used to return capital to shareholders in the form of share repurchases.