Dufferin "Duff" Harper
About Dufferin Harper
Dufferin Harper is a lawyer based in Calgary, AB and has been recognized in The Best Lawyers in Canada™ since 2008. Dufferin Harper is recognized in the following practice areas:
- Calgary, Alberta
- Administrative and Public Law
- Environmental Law
Current Firm: Blake, Cassels & Graydon LLP
Location: Calgary, AB
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Zafar Jaffer is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Zafar, who practices law in Calgary, Alberta, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Zafar is held by other top lawyers in the same geographic and legal practice area.
Jessica's practice focuses on commercial litigation and arbitration, with an emphasis in insolvency and restructuring. She advises clients on general commercial disputes, all aspects of insolvency and restructuring matters, including cross-border proceedings, and banking and oil and gas related litigation. Clients value Jessica’s practical and collaborative approach to complex legal disputes and restructuring proceedings. Jessica has acted for debtor companies, guiding them through the ...
Wanda has been practicing as a lawyer for more than 20 years and is a returning partner of Kirk Montoute Dawson LLP. A family law practitioner, mediator, arbitrator and parenting coordinator, Wanda Dawson has argued successfully at every level of Court in Alberta. She has extensive training and experience in many methods of litigation and conflict resolution, including collaborative law, lawyer-assisted mediation, arbitration, interest-based negotiation, and parenting coordination. Wanda&rsqu...
Blair began his legal career with MacKimmie Matthews in 1986 and was a founding partner of Carbert Waite LLP in 1999. Blair’s diverse practice of law has taken him to Canada’s three coasts, advising and acting for individuals, corporations, estates, public institutions and governments. As a senior partner with Carbert Waite LLP, Blair engages on a wide range of difficult cases that demand an advanced understanding of the law, relentless inquiry into the facts, appropriate strategi...
Laura Comfort is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation. Laura, who practices law in Calgary, Alberta, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Laura is held by other top lawyers in the same geographic and legal practice area.
Gordon “Gord” Van Vliet is a partner in the firm’s Real Estate and Business practice groups with nearly 20 years of experience helping public and private developers build and manage many large properties throughout Alberta and British Columbia. He provides strategic counsel on a broad range of complex commercial real estate transactions and structures, including commercial and residential land development, sales and acquisitions, mergers, leasing and property management, co-...
Blake Hafso is a top attorney recognized by Best Lawyers in the practice area(s) of Labour and Employment Law. Blake, who practices law in Calgary, Alberta, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Blake is held by other top lawyers in the same geographic and legal practice area.
Amanda Marsden is a senior family and estate planning lawyer with Crossroads Law who brings a unique blend of expertise. Before focusing exclusively on family law, Amanda honed her skills at a prestigious national law firm, where she delved into the complexities of corporate law, gaining valuable insights that now give her an edge in handling high net-worth property settlements for her clients. A Holistic Approach t o Family Law Beyond her legal prowess, Amanda brings a distinctive background...
Andrew received his Bachelor of Arts degree in Economics from the University of Waterloo in 1998, where he achieved Dean's List standing. He then obtained his Bachelor of Laws degree from Dalhousie University in Halifax in 2001. He again achieved Dean's List standing and was the recipient of numerous scholarships and awards. Andrew was called to the Alberta bar in 2002. After completing his articles Andrew obtained his Master of Laws degree from Queens' College, Cambridge University, England ...
Jamie Flanagan is an experienced advocate who has guided his clients through difficult times for more than 30 years. Focusing on civil litigation, he handles commercial and construction litigation, employment law disputes, and estate litigation. When a matter proceeds to trial, Jamie has the litigation experience to aggressively and thoroughly pursue his clients' interests. He has appeared before the provincial, superior, and appeal courts of Alberta, British Columbia, and Saskatchewan on a w...
Explore and Learn
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
Can a Green Card Be Revoked?
by Bryan Driscoll
Revocation requires a legal basis, notice and the chance to respond before status can be taken away.
New Texas Family Laws Transform Navigating Divorce, Custody
by Bryan Driscoll
Reforms are sweeping, philosophically distinct and designed to change the way families operate.
How Far Back Can the IRS Audit You?
by Bryan Driscoll
Clear answers on IRS statutes of limitations, recordkeeping and what to do if you are under review.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
The 2026 Best Lawyers Awards in Chile, Colombia and Puerto Rico
by Jamilla Tabbara
The region’s most highly regarded lawyers.
Can You File Bankruptcy on Credit Cards
by Bryan Driscoll
Understanding your options for relief from overwhelming debt.