Osler’s top-ranked Intellectual Property team is renowned for its deep bench strength, featuring excellence in IP litigation; a stellar record in blockbuster patent and trade-mark prosecution; expertise in portfolio advising and management; and unmatched experience in helping realize the value of IP portfolios in mergers, reorganizations and other business transactions.
The team has a well-earned international reputation for excellence in Canadian IP litigation, including cross-border matters, built on our winning trial record representing some of the world’s most prominent companies and innovators in resolving their ground-breaking patent, copyright and trade-mark disputes in Canada.
Proven expertise, superior service
Clients initially come to us for our deep legal knowledge, counsel and scientific and technical expertise; they then repeatedly recommend us to others because we offer
- client service that is unmatched for its quality, responsiveness and accessibility
- meticulous and efficient project management
- business experience amassed from the years our core team members spent working in the corporate environment, which enhances our ability to provide practical, efficient advice
- long-standing and continuing investments in IP technology, enabling us to respond accurately and rapidly to clients on all questions related to ongoing or historical matters
Osler’s Intellectual Property professionals offer proven expertise and superior service for clients of all sizes across a broad range of industries, including pharmaceuticals, biotech, technology, life sciences, electronics, aeronautics, consumer products, sports and entertainment, food services, and mechanical, chemical and software engineering.
We can assist with
- litigation matters related to copyright, trade-mark, patent, trade secrets and PM(NOC), including ADR, arbitration and appeals
- patent, copyright and trade-mark prosecution matters, including applications, patent portfolio management, transactions involving IP, and licensing and other commercial services
- Copyright and trade-mark matters, including anti-counterfeiting, anti-piracy, domain name litigation and UDRPs, and false advertising
Key Contacts
Chair
Ottawa Managing Partner, Ottawa
Latest Insights
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Webinar April 15, 2026
University tech transfer for startups
Nathaniel Lipkus, a partner in Osler’s Intellectual Property group provided practical insights into how startups can effectively engage with...
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Osler Update March 31, 2026
Court of Appeal for Ontario upholds employee’s copyright in competing software developed ‘off the clock’
The decision helps to clarify the legal test for identifying when a work is created “in the course of employment” under Canadian copyright law.
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Webinar February 24, 2026
Osler x Women Funding Women: clean IP, strong moat — the IP hygiene advantage
We explain why IP matters, translate practical hygiene habits into your standard operations and spotlight the pitfalls that quietly erode protection...
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Osler Update February 3, 2026
Federal Court of Appeal affirms new trademark owners not required to account for non-use
The Court has affirmed there is no obligation on new trademark owners to account for non-use prior to the acquisition of the trademark in question.
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Stay up to date with our latest insights
SubscribeAwards and Recognition
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Canada’s Leading Lawyers for Business: Recognized in Intellectual Property; Intellectual Property: Litigation.
—Chambers Canada -
The World’s Leading Lawyers for Business: Recognized in Intellectual Property: Litigation.
—Chambers Global -
Recognized in Intellectual Property (Ottawa, Ontario and Toronto, Ontario); Litigation: Intellectual Property (Toronto, Ontario).
—The Canadian Legal Lexpert Directory -
Recognized in Intellectual Property.
—Legal 500
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Osler lawyers recognized as leaders in Intellectual Property Litigation.
—Benchmark Canada -
World’s Leading Patent Professionals, 1000: Recognized in Transactions, Prosecution, and Litigation.
—Intellectual Asset Management (IAM) Patent -
Osler lawyers recognized as leading patent practitioners; members of the team have also been recognized in IAM 250 World Leading Patent Litigators and IAM Life Sciences 250: The World’s Leading Life Sciences Lawyers.
—Intellectual Asset Management (IAM) Patent 1000 -
Recognized in Copyright & Related Rights (Tier 1); Patent Contentious; Patent Prosecution; Trademark Prosecution; and Trademark Contentious.
—Managing Intellectual Property's IP Stars Handbook -
Osler recognized as Copyright Firm of the Year, 2021; Patent Contentious Firm of the Year, 2021.
—Managing Intellectual Property North America Awards -
The World’s Leading Trademark Professionals: Recognized in Anti-counterfeiting and Firm Overall (Silver Band); Osler lawyers recognized as leading trademark lawyers.
—WTR 1000
Top notch work across the board, Osler is a great team without exception.
In the Media
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Osler News June 3, 2026
33 Osler lawyers recognized in Lexpert Special Edition: Technology 2026
Osler is proud to announce that 33 of our lawyers are recognized in the Lexpert Special Edition: Technology 2026. This prestigious edition...
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Osler News May 29, 2026
Osler recognized in IAM Patent 1000 2026 rankings
Osler’s Intellectual Property group has once again been recognized among the world’s leading patent practices in the 2026 edition of IAM Patent...
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Osler News January 30, 2026
Osler recognized for trademark excellence in the 2026 WTR 1000
WTR 1000 highlights Osler lawyers for their commercial insight, responsiveness and ability to manage complex trademark portfolios.
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Osler News October 29, 2025
Bradley White and Jean-Nicolas Delage named among IAM Global Leaders 2026
IAM Global Leaders recognizes the top private practice experts in the field of patents.
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