Osler, Hoskin & Harcourt LLP

Osler, Hoskin & Harcourt LLP’s thriving IP practice stands out for its strength-and-depth across the full suite of prosecution, IP portfolio management, anti-counterfeiting and litigation. The group also benefits from its ability to team up with the wider firm’s formidable corporate offering to handle the IP aspects of major commercial transactions. Ottawa-based practice head Bradley White is widely acknowledged as a market leader in IP litigation, with 25 years of experience in blockbuster patent disputes. Ottawa managing partner Donna White is a go-to name on the trademark side, where she focuses on prosecution with an emphasis on proceedings before the Trademarks Opposition Board. Talented up-and-coming names include Ottawa partner Barry Fong and Toronto-based associate Sydney Young. John Cotter was appointed to the bench in June 2023.