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Colena Der

Partner, Taxation

Contact Information

cder@osler.com

tel: 403.260.7049

Office

Calgary

Biography

Areas of Expertise

Bar Admission

Alberta, 2009

Education

University of Ottawa, LL.B.
University of Alberta, B.Sc. (Hons.) (Pharmacology)

Language(s)

English

Colena’s practice focuses on advising Canadian and foreign-based clients on the taxation of mergers and acquisitions, corporate reorganizations and employee and executive compensation matters, with an emphasis on the resource, emerging companies and technology sectors. Her tax practice also includes the settlement of tax disputes with the Canada Revenue Agency.

Colena is a member of the Canadian Bar Association, Calgary Bar Association, the Canadian Tax Foundation and the Canadian Petroleum Tax Society. She was a former member of the Canadian Tax Foundation - Young Practitioners' Steering Committee (Calgary) and the Past-Chair of the Executive Committee of the Canadian Bar Association’s Taxation Specialists (South).

Deals & Cases

Google Ventures
Google Ventures in its US$15 million investment in CmdWatch Security
Pipestone Oil Corp.
Pipestone Oil Corp. in its strategic merger with Blackbird Energy Inc. and $309.5 million in equity and debt financings to form Pipestone Energy Corp.
Nine Energy Service Inc.
Canadian counsel to Kirkland & Ellis LLP in Nine Energy Service Inc.’s acquisition of Magnum Oil Tools International
Clio
Clio in its acquisition of Lexicata
Hubdoc
Hubdoc in its acquisition by Xero
Interaxon
Interaxon in its acquisition of Meditation Studio
China Gold International Resources Corp.
China Gold International Resources Corp. in its US$500 million bond offering
Layer 6
Layer 6 in its acquisition by the Toronto-Dominion Bank
First Nations Finance Authority
First Nations Finance Authority in its $126,000,000 offering of 3.05% Senior Secured Bonds, Series 2017-1, due June 1, 2028
Scribble Technologies
Scribble in its acquisition of ion interactive, inc., an interactive content platform provider
ConocoPhillips
ConocoPhillips in the sale of its interest in the Foster Creek Christina Lake (FCCL) oil sands partnership, as well as the majority of its western Canada Deep Basin gas assets, to Cenovus for total proceeds of C $17.7 billion.
Professor Raquel Urtasun
Professor Raquel Urtasun in her hiring by Uber to lead a new Toronto-based research and development centre for its Advanced Technologies Group

Mitel Networks on its acquisition of Aastra Technologies
Angle Energy Inc. In its proposed $576 million acquisition by Bellatrix Exploration Ltd.
Total E&P Canada Ltd. on the agreement to sell its 49% interest in the Voyageur Upgrader Limited Partnership to Suncor Energy Inc.
Greengate Power Corporation on all aspects of the development of the 300 MW Blackspring Ridge Wind Project and the sale of the Blackspring Ridge Project to Enbridge Inc. and EDF EN Canada Inc.
Golden Crescent Investments Ltd., an affiliate of Citadel Capital, in its proposed sale of National Petroleum Company Egypt Limited, to Sea Dragon Energy Inc.
SCF Partners in its acquisition of Integrated Production Services
Thule Group of Sweden on its acquisition of Chariot Carriers
Glam Media Inc. In its cross border acquisition of BBS Media
Investment Technology Group, Inc. In its $38.5 million acquisition of a private independent research brokerage firm
Temple Energy Inc. In its “merger of equals” with Cequence Energy Ltd.
Kulczyk Oil Ventures Inc. In its European initial public offering and acquisition of Triton Hydrocarbons Pty Ltd., an Australian company