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

TikTok’s Privacy Practices Inadequate For Children Conclude Canadian Privacy Commissioners TikTok’s Privacy Practices Inadequate For Children Conclude Canadian Privacy Commissioners

Privacy
October 15, 2025October 15, 20252025-10-15
On September 23, 2025, the Privacy Commissioner of Canada and its provincial counterparts in Quebec, British Columbia, and Alberta (collectively, the Commissioners) released the findings of their joint investigation into TikTok, a popular video-sharing app. The investigation concluded that TikTok had inadequate measures in place to stop children from accessing the platform; and prevent the collection and use of their sensitive personal information for profiling and targeting purposes.
Deeth Williams Wall https://www.dww.com/articles/tiktok%E2%80%99s-privacy-practices-inadequate-for-children-conclude-canadian-privacy-commissioners

New Guidance For AI Models In The Financial Sector Take Effect In May 2027 New Guidance For AI Models In The Financial Sector Take Effect In May 2027

Information Technology
October 15, 2025October 15, 20252025-10-15
On September 11, 2025, the Office of the Superintendent of Financial Institutions (OSFI) released its amendments to Guideline E-23 on Model Risk Management (the New Guideline). The New Guideline sets out OSFI’s expectations concerning model risk management (MRM) by federally regulated financial institutions (FRFIs) which, after an eighteen-month transition period, will be effective as of May 1, 2027.
Deeth Williams Wall https://www.dww.com/articles/new-guidance-for-ai-models-financial-sector-take-effect-may-2027

Ontario Court Rules Cyber Incidents Trigger Notification Obligations Even Where Data Not Accessed Ontario Court Rules Cyber Incidents Trigger Notification Obligations Even Where Data Not Accessed

Cybersecurity
October 15, 2025October 15, 20252025-10-15
On September 16, 2025, the Ontario Superior Court of Justice Divisional Court (the Court) issued its decision in Hospital for Sick Children v. Ontario (Information and Privacy Commissioner), 2025 ONSC 5208, upholding decisions of the Information and Privacy Commissioner of Ontario (IPC) which found that encryption-only cyber incidents give rise to notification obligations under Ontario’s Personal Health Information Protection Act (PHIPA) and Child, Youth and Family Services Act, 2017 (CYFSA).
Deeth Williams Wall https://www.dww.com/articles/ontario-court-rules-cyber-incidents-trigger-notification-obligations-even-where-data-not

Federal Court Of Appeal Broadens Special Circumstances Excusing Non-Use Of Recently Acquired Trademarks Federal Court Of Appeal Broadens Special Circumstances Excusing Non-Use Of Recently Acquired Trademarks

Trademark and Copyright Litigation
October 1, 2025October 1, 20252025-10-01
On September 9, 2025, the Federal Court of Appeal (FCA) issued its decision in Centric Brands Holding LLC v Stikeman Elliott LLP, 2025 FCA 161, overturning a Federal Court (FC) decision to expunge Centric Brands Holding LLC’s (Centric) AVIREX trademark registration (the Mark).
Deeth Williams Wall https://www.dww.com/articles/federal-court-of-appeal-broadens-special-circumstances-excusing-nonuse-of-recently

Privacy Commissioners Of Canada And Ontario Update MOU For Sharing Information Privacy Commissioners Of Canada And Ontario Update MOU For Sharing Information

Privacy
October 1, 2025October 1, 20252025-10-01
On September 11, 2025, the Privacy Commissioner of Canada and the Information and Privacy Commissioner of Ontario (collectively, the “Commissioners”) signed an updated Memorandum of Understanding Between the Information and Privacy Commissioner of Ontario and the Privacy Commissioner of Canada on Mutual Assistance and Information Sharing in the Administration and Enforcement of Laws Protecting Personal Information (the “Memorandum”) to facilitate information-sharing between their Offices on issues of common interest.
Deeth Williams Wall https://www.dww.com/articles/privacy-commissioners-of-canada-and-ontario-update-mou-for-sharing-information

Partial Sealing Order Issued In Infringement Claim By Media Against OpenAI Partial Sealing Order Issued In Infringement Claim By Media Against OpenAI

Litigation
October 1, 2025October 1, 20252025-10-01
On August 14, 2025, the Superior Court of Justice issued its decision in Toronto Star Newspapers Limited v OpenAI Inc., 2025 ONSC 4685, granting OpenAI and its related entities’ (collectively, the Defendants) request for a Partial Sealing Order (the Order) in its motion to challenge the court’s jurisdiction over certain claims. In the underlying action, the Defendants are being sued by several Canadian newspaper and media outlets (collectively, the Plaintiffs) for copyright infringement, breach of their “Terms of Use”, and circumvention of technological protection measures.
Deeth Williams Wall https://www.dww.com/articles/partial-sealing-order-issued-infringement-claim-by-media-against-openai

Events

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.

October 29, 2025

Deeth Williams Wall LLP is proud to be a Bronze Sponsor of the International Technology Law Association (ITECHLAW) 2025 European Technology Law Conference. This year’s conference will be held in London, England, from October 29 to 31, 2025.

October 24, 2025

On October 24, 2025, Richard Austin and Amy-Lynne Williams (Retired) will co-chair a panel titled “From War Room to Boardroom: Winning Tech Negotiations” at the Canadian Technology Law Association’s 2025 Annual Fall Conference in Toronto.