Chelsea Nimmo
Counsel
Experience
Chelsea Nimmo is a strategic litigator with over ten years of experience in complex commercial litigation. She has particular expertise in intellectual property disputes, having represented Fortune 500 companies in some of Canada’s largest patent disputes. Chelsea also guides clients on holistic IP strategies to help protect their most valuable assets or navigate those of their competitors.
Chelsea is known for providing practical advice, while simultaneously developing creative legal arguments that are successful both in and out of the courtroom.
Prior to joining BD&P, Chelsea worked at a top international law firm in Toronto for several years.
Chelsea’s focus is on:
Patent litigation
- Patent infringement, impeachment and damages suits
- Disputes involving a wide range of technologies, including oil and gas, pharmaceuticals, medical devices, electrical, computer programming and mechanical
- Proceedings under the Patented Medicines (Notice of Compliance) Regulations
Trademark and industrial design litigation
- Trademark and industrial design infringement actions and applications
- Expungement and opposition proceedings before the Trademarks Opposition Board
Trade secret and breach of confidence litigation
- Complex litigation involving misappropriation of trade secrets and confidential information
Anti-piracy litigation
- Domain name disputes
- Take-down proceedings
General commercial litigation and arbitration
- Contractual disputes, negligence claims, privacy and intentional torts
- Motions to strike pleadings, summary judgment motions and interlocutory injunction motions
Energy litigation
- Acts for oil & gas producers, petrochemical and service providers in contractual and damages disputes
Professional involvement
Professional associations
- Executive Committee Member, Federal Courts Bench and Bar Liaison Committee, Canadian Bar Association
- Executive Committee Member, Canadian Bar Association (Alberta Branch Section), Technology & IP (South)
- Member, Intellectual Property Institution of Canada (IPIC)
- Past Chair, Toronto Intellectual Property Group (TIPG)
Representative work
Chelsea has acted in the following representative matters:
- Defending a national pipeline company in a $600 million patent infringement and breach of licence action
- Acting for an oil and gas exploration, development and production company in a patent infringement action related to steam-assisted gravity drainage
- Canadian Tire in relation to various patent and trademark matters
- Pfizer in various claims relating to the drugs VIAGRA®, LIPITOR®, ACCUPRIL® and ACCURETIC®
- Hoffman-La Roche Limited and Genentech, Inc. in various Federal Court actions under the PM(NOC) Regulations in respect of trastuzumab (HERCEPTIN®) and bevacizumab (AVASTIN®)
- Novo Nordisk in various Federal Court actions under the PM(NOC) Regulations in respect of liraglutide (VICTOZA®)
Awards
Recent honours and recognition
Recognized by Best Lawyers in Canada (Ones to Watch) in Intellectual Property (2023, 2024, 2025)
Recognized by Best Lawyers in Canada (Ones to Watch) in Biotechnology Law (2023, 2024, 2025)
Presentations
Why would I litigate THERE? The benefits and risks of litigating outside of the Federal Court, CBA IP Day, Ottawa, ON, May 30, 2024
Inducing Infringement in Canada – The Impact of the Recent Court of Appeal Decisions, Intellectual Property Institute of Canada, Webcast, May 2, 2024
Navigating Patent Strategies in the Oil and Gas Industry, CBA Alberta Section, Technology & Intellectual Property, Webcast, April 24, 2024
Strategies to Manage IP Risks in the Energy Transition, Navigating Project Development in a Greener World, Calgary, AB, October 4, 2023
Publications
August 12, 2025
Interprovincial or International Claims: Where to Bring the Action
July 29, 2025
Forum Shopping Considerations for IP Litigation in Canada
July 11, 2025
Quicker to the Finish Line: Alberta Court of King's Bench wants cases tried in Three Years
July 3, 2025
Key Differences in IP Litigation between Canada and the United States
June 23, 2025
New Federal Cybersecurity Legislation Applicable to Energy Companies and Banks is on the Horizon
May 21, 2025
New Cybersecurity Regulations Coming Soon: What you need to know
May 1, 2025
Applying Existing Legislation to New Technology: Supreme Court of Canada Weighs In
March 20, 2025
Artificial Intelligence in Practice: Expert Witness Use of AI
March 17, 2025
Important Changes Coming to Trademark Opposition and Expungement Proceedings
February 14, 2025