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Overview

David Wainer has a general corporate commercial practice, with a particular emphasis on intellectual property and technology, privacy, and emissions trading. Through his intellectual property practice, David has experience working on a broad range of matters, including IP-related transactions, privacy, information technology procurement, cybersecurity, licensing, and branding.

In addition, David advises clients in respect of climate change and emissions legislation and helps project proponents and large emitters with the marketing and sale of emissions offsets, emissions performance credits, compliance credits, renewable energy certificates, and other emissions trading credits and instruments. David regularly assists on a variety of energy diversification/decarbonization projects, such as carbon capture and sequestration, hydrogen, and solar and wind projects.

David is an active member of the Calgary community and sits on the board of directors of Jewish Family Services Calgary.

Client Work

Crane Harbor Acquisition Corp., a special purpose acquisition vehicle, as Canadian counsel in its business combination with Xanadu Quantum Technologies, Inc., to create the first publicly traded pure play photonic quantum computing company with an expected pro forma market capitalization of approximately US$3.6 billion

Plains All American Pipeline in its C$5.15-billion sale of its NGL business to Keyera

EarthDaily Analytics and its U.S. affiliates with the cross-border acquisition of SkyForest, a Canadian wildfire risk assessment and forestry analytics provider
NOVA Infrastructure, an infrastructure investment firm, as Canadian counsel, in connection with its take-private acquisition of UGE International, a Canadian publicly traded company listed on the TSX Venture Exchange
TriWest in its indirect investment through its affiliates of a majority equity interest in Alta West Mortgage Capital
Park Lawn Corporation, a funeral, cremation and cemetery provider, in its C$1.2-billion going private transaction involving Viridian Acquisition.

Education & Bar Admissions

Education

  • McGill University, BA (Political Science), 2018
  • University of Ottawa, JD, 2022

Bar Admissions

  • Alberta, 2023

Insights

AI Powered Cyber Threats Are Changing the Risk Equation Are Your Vendors ReadyBlog

AI-Powered Cyber Threats Are Changing the Risk Equation—Are Your Vendors Ready?

April 15, 2026
Stephen D. BurnsJ. Sébastien A. GittensDavid Wainer
Stephen D. Burns, J. Sébastien A. Gittens & David Wainer
Canadas AI Efforts in 2025 A Year in ReviewBlog

Canada's AI Efforts in 2025: A Year in Review

December 12, 2025
Stephen D. BurnsBenjamin K. ReingoldDavid Wainer
& 1 more