DWW Ranked Best Law Firm in Canada by Best Lawyers, 2026
DWW Ranked Best Law Firm in Canada by Best Lawyers, 2026
 Helping Your Ideas Take Flight For Over 25 Years
Helping Your Ideas Take Flight For Over 25 Years.
Nine Lawyers recognized in The Best Lawyers in Canada, 2026
Nine DWW Lawyers named in the 2026 Edition of The Best Lawyers in Canada (TM)
DWW Recognized as one of the Best Law Firms in Toronto by Best Lawyers 2026
DWW Recognized as one of the Best Law Firms in Toronto by Best Lawyers 2026
Ideas won't keep. Something must be done about them. This is where we come in.
The vitality of thought is in adventure. Ideas won't keep. Something must be done about them. Alfred North Whitehead (1861-1947) This is where we come in. Deeth Williams Wall
Deeth Williams Wall has received awards and accolades from several national and international industry publications including Best of the Best, Who's Who Legal, Best Lawyer, Lexpert Guide to Leading Lawyers, Chambers Global, Canadian Lawyer and IP Stars.
Deeth Williams Wall has received awards and accolades from several national and international industry publications including Best of the Best, Who's Who Legal, Best Lawyer, Lexpert Guide to Leading Lawyers, Chambers Global, Canadian Lawyer and IP Stars.

Recent Insights

Privacy Commissioners Release Findings From PowerSchool Breach Investigation Privacy Commissioners Release Findings From PowerSchool Breach Investigation

Privacy
December 10, 2025December 10, 20252025-12-10
On November 18, 2025, Ontario and Alberta’s information and privacy commissioners (collectively, the Commissioners) released their findings following investigations into a privacy breach involving the education technology provider, PowerSchool Canada ULC (PowerSchool), which services educational bodies (e.g., school boards) in both provinces. While the Commissioners conducted separate investigations, they had many findings in common, including that certain educational bodies lacked adequate privacy and security arrangements with PowerSchool as required under applicable privacy law.
Deeth Williams Wall https://www.dww.com/articles/privacy-commissioners-release-findings-from-powerschool-breach-investigation

Better Beleaf It! CIPO Modifies Trademarks And Industrial Design Practices For 11-Point Maple Leaf Better Beleaf It! CIPO Modifies Trademarks And Industrial Design Practices For 11-Point Maple Leaf

Trademarks
December 10, 2025December 10, 20252025-12-10
On November 12, 2025, the Canadian Intellectual Property Office (CIPO) published a practice notice titled “Disclaimer of 11-point maple leaf” (the Notice), which indicated a change with respect to trademark applications that incorporate the 11-point maple leaf that forms a part of the National Flag of Canada.
Deeth Williams Wall https://www.dww.com/articles/better-beleaf-it-cipo-modifies-trademarks-and-industrial-design-practices-for-11point

All In: Federal Court Sets Aside Commissioner’s Rejection Of Card Game Patent All In: Federal Court Sets Aside Commissioner’s Rejection Of Card Game Patent

Patent Litigation
December 10, 2025December 10, 20252025-12-10
On November 12, 2025, the Federal Court (the Court) issued its decision in Dusome v Canada (Attorney General), 2025 FC 1809, allowing Barry Dusome and Wyatt Dusome’s (collectively, the Appellants’) judicial review of a decision of the Commissioner of Patents (the Commissioner) that refused Canadian Patent Application Number 2,701,028 for a method of playing a wagering poker game either with conventional physical cards or a computerized system (the 028 Application).
Deeth Williams Wall https://www.dww.com/articles/all-federal-court-sets-aside-commissioner%E2%80%99s-rejection-of-card-game-patent

Hell No!: Federal Court Finds Evidence Insufficient To Grant Norwich Orders Against ISPs In Copyright Infringement Claim Hell No!: Federal Court Finds Evidence Insufficient To Grant Norwich Orders Against ISPs In Copyright Inf...

Trademark and Copyright Litigation
November 25, 2025November 25, 20252025-11-26
On October 31, 2025, the Federal Court (the Court) issued its decision in Hellboy Productions, Inc. v DOE #1, 2025 FC 1766, denying Hellboy Productions, Inc.’s (the Plaintiff) motions to obtain Norwich orders against three internet service providers: Telus Communications Inc. (Telus), Cogeco Connexion Inc. (Cogeco), and Bell Canada (Bell) (collectively, the ISPs).
Deeth Williams Wall https://www.dww.com/articles/hell-no-federal-court-finds-evidence-insufficient-to-grant-norwich-orders-against-isps

An Otter Disaster: IPC Responds To Self-Reported Hospital Privacy Breach Involving AI-Powered Transcription Tool An Otter Disaster: IPC Responds To Self-Reported Hospital Privacy Breach Involving AI-Powered Transcripti...

Privacy
November 25, 2025November 25, 20252025-11-26
On October 27, 2025, the Information and Privacy Commissioner of Ontario (IPC) published its response to a hospital’s self-reported privacy breach under the Personal Health Information Protection Act (PHIPA) whereby a virtual meeting involving the discussion of patient information was inadvertently recorded and transcribed by an artificial intelligence-powered transcription tool (Otter.ai).
Deeth Williams Wall https://www.dww.com/articles/an-otter-disaster-ipc-responds-to-selfreported-hospital-privacy-breach-involving-aipowered

Canada’s 2025 Budget Plans To Book IP And AI Canada’s 2025 Budget Plans To Book IP And AI

Intellectual Property
November 25, 2025November 25, 20252025-11-26
On November 4, 2025, the Government of Canada released its 2025 Budget (“Budget 2025”), which introduces measures aimed at boosting innovation, productivity and infrastructure across Canada. Budget 2025 includes plans to generate and retain intellectual property (IP) in Canada and seize the potential of artificial intelligence (AI).
Deeth Williams Wall https://www.dww.com/articles/canada%E2%80%99s-2025-budget-plans-to-book-ip-and-ai

Events

November 14, 2025

On November 14, 2025, Jennifer R. Davidson will speak on a panel titled “Privacy Law in Practice: Contracting, Cross-Functional Teams, and Supply Chain Risk” at the Law Society of Ontario’s 15th Business Law Summit in Toronto, Ontario.

November 13, 2025

On November 13, 2025, M. Imtiaz Karamat will co-chair and Elisabeth Symons will speak on a webcast program titled “Foundations of Technology Contracting” hosted by the OBA Information Technology and Intellectual Property Law and Young Lawyers Division Programs.

October 30, 2025

On October 30, 2025, Jennifer R. Davidson will moderate a session on Legal Regulation in the Cybersecurity and Resilience Track at the International Technology Law Association (ITECHLAW)  2025 European Conference in London, England.