Dufferin Harper > Blake, Cassels & Graydon LLP > Calgary, Canada > Lawyer Profile
Blake, Cassels & Graydon LLP Offices
855-2ND STREET S.W.
SUITE 3500, BANKERS HALL, EAST TOWER
CALGARY, ALBERTA T2P 4J8
Canada
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Dufferin Harper
Work Department
Environmental & Aboriginal; Litigation & Dispute Resolution
Position
Duff practises in all areas of environmental law, including environmental civil litigation, defending clients charged with environmental infractions, regulatory law, and drafting environmental provisions and indemnities in commercial agreements. He routinely acts on the purchase and sale of clean fuel compliance-credits, greenhouse gas emissions offsets and credits, and other environmental attributes in regulated and voluntary markets both within Canada and internationally. He also advises on environmental due diligence and liability matters, especially pertaining to brownfield redevelopment, contaminant releases, regulatory approvals, environmental audits and transportation of dangerous goods. Duff provides strategic regulatory environmental compliance and environmental impact assessment advice to industrial clients, such as conventional oil and gas companies, mining companies, companies operating in the oil sands, and liquefied natural gas proponents. Duff has acted as lead counsel in several litigation cases involving contaminated sites and has appeared before numerous levels of courts, regulators and assessment tribunals.
Memberships
Duff is a member of both The Law Society of Alberta and the Nova Scotia Barrister’s Society. He is also a past chair of the National Environmental Law Section of the Canadian Bar Association.
Top Tier Firm Rankings
- Transport > Aviation
- Banking and finance
- Capital markets
- Competition and antitrust
- Corporate and M&A
- Dispute resolution: Alberta
- Dispute resolution: British Columbia
- Dispute resolution: Ontario
- Environment
- Indigenous law
- Infrastructure projects
- Insurance
- International expertise
- Energy and natural resources > Oil and gas
- Pensions
- Public procurement
- Real estate
- Restructuring and insolvency
- Tax
- Technology