David V. Tupper
About David V. Tupper
David V. Tupper is a lawyer based in Calgary, AB and has been recognized in The Best Lawyers in Canada™ since 2011. David V. Tupper is recognized in the following practice areas:
- Calgary, Alberta
- Alternative Dispute Resolution
- Appellate Practice
- Bet-the-Company Litigation
- Class Action Litigation
- Construction Law
- Corporate and Commercial Litigation
- Director and Officer Liability Practice
- Insurance Law
- International Arbitration
- Product Liability Law
- Securities Law
Current Firm: Blake, Cassels & Graydon LLP
Education: University of Toronto, graduated 1995
Location: Calgary, AB
Nearby Lawyers
As one of our founders, Joe was appointed King’s Counsel in 1994 and a Fellow of the Chartered Professional Accountants of Alberta in 1995. He offers tax advice on a wide variety of matters, including resource tax, mergers and acquisitions and dispute resolution. An impactful leader, Joe guides our lawyers with active mentorship and mindful team building. Joe gives back to the community in a myriad of ways, both in an academic and volunteer capacity. He has taught at the University of A...
Allyson Marta practises exclusively in the area of Pensions and Benefits law. Her practice focuses on pensions and benefits in corporate transactions, creditor/debtor agreements, and restructurings and insolvencies. She advises clients in both the public and private sectors with respect to pension plan compliance, governance, investments, and administration. Allyson also assists clients with navigating legal and regulatory matters related to retirement and benefit plans more broadly.
Kevin has practiced almost exclusively family law for over 25 years. His more recent litigation has been at the appellate level but his practice has shifted to representing a few private clients and acting as mediator (most often with counsel present) and arbitrator (often of longer, more complicated arbitrations). His articles/papers on family law issues have been published by the Lawyer's Weekly and he is a regular contributor to the continuing legal education of Alberta's family bar throug...
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.
Bill practices corporate commercial, construction and energy law, with an emphasis on public-private partnerships and construction contracts. His expertise includes: Public-private partnerships Rail and light rail projects Commercial, residential and mixed-use development projects Power plant and industrial EPC contracts Procurement documents and agreements to design, build and construct any asset Mergers and acquisitions Bill completed his articles with BLG. Before law school, he worked for ...
Karen Pirie, KC is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Medical Negligence and Professional Malpractice Law. Karen, who practices law in Calgary, Alberta, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Karen is held by other top lawyers in the same geographic and legal practice area.
Brendan’s practice is focused on mergers, acquisitions and project development. Clients value Brendan for his experience acting for public and private companies on a broad range of complex transactions and commercial arrangements. Frequently acting on domestic and cross-border merger and acquisition transactions, including share and asset purchases and sales, Brendan also advises on joint ventures, partnerships, project development and commercial arrangements and corporate reorganizatio...
Mat Wirove is an accredited mediator and reputable family lawyer, recognized for his proficiency in court. With a prior background in civil litigation, Mat's versatile legal experience equips him to tackle a broad spectrum of family law matters with skill and efficiency. A Transparent, Client-Centred Approach Mat adopts a policy of openness and honesty with his clients, keeping them thoroughly informed about their case as it progresses. He understands the unique complexities of every situatio...
Dana attended the University of Toronto, receiving her Bachelor of Arts degree (Honours) before attending the University of Saskatchewan, receiving her Bachelor of Laws degree in 1992. Dana was called to the British Columbia bar in 1993 and practiced in Vancouver with the well-respected law firm, Hammerberg Lawyers LLP, after spending the early part of her career as in-house counsel. Dana successfully completed transfer examinations and was called to the Alberta bar in 2001, moving to Calgary...
Paul is an oil and gas lawyer transaction and land lawyer with over 30 years of experience advising clients on on the drafting and negotiating of agreements for the acquisition and divestiture (A&D) of oil and gas assets and the drafting and negotiating of joint venture, partnership and joint operating agreements pertaining to the energy industry. Paul also assists clients in due diligence and title opinion preparation in A&D transactions; custom and complex freehold land and leasing ...
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
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.
Build Your Legal Practice with Effective Online Networking
by Jamilla Tabbara
How thoughtful online networking supports sustained legal practice growth.
Blogging for Law Firms: Turning Content into Client Connections
by Jamilla Tabbara
How law firms use blogs to earn trust and win clients.
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer