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

Ontario Releases Updated De-Identification Guidelines Ontario Releases Updated De-Identification Guidelines

Privacy
– October 29, 2025October 29, 20252025-10-29
On October 15, 2025, the Office of the Information and Privacy Commissioner of Ontario (IPC) released updated De-Identification Guidelines for Structured Data (the “New Guidelines”), providing Ontario-based data custodians with an updated framework for safeguarding privacy while maintaining data utility. The New Guidelines take into account emerging privacy risks and technological advancements, replacing the original version published in 2016.
Deeth Williams Wall https://www.dww.com/articles/ontario-releases-updated-deidentification-guidelines

Voilà! TMOB Finds VUALA May Be Confusing With VOILA Voilà! TMOB Finds VUALA May Be Confusing With VOILA

Trademark and Copyright Litigation
– October 29, 2025October 29, 20252025-10-29
On September 23, 2025, the Trademarks Opposition Board (TMOB) issued its decision in Sobeys Capital Incorporated v CCP Productos, S.A.P.I. de C.V., 2025 TMOB 190, refusing CCP Productos, S.A.P.I. de C.V.’s (the Applicant) application for the mark VUALA in relation to bread, cookies, frozen confectionary, and pastries.
Deeth Williams Wall https://www.dww.com/articles/voil%C3%A0-tmob-finds-vuala-may-be-confusing-voila

Federal Court Considers Test For New Evidence On Trademark Appeal, Refuses Trademark Application For CHEF’S OWN Federal Court Considers Test For New Evidence On Trademark Appeal, Refuses Trademark Application For CHEF...

Trademark and Copyright Litigation
– October 29, 2025October 29, 20252025-10-29
On October 10, 2025, the Federal Court of Canada (the Court) issued its decision in Yat Sun Food Products Ltd. v Griffith Foods International Inc., 2025 FC 1688, allowing an appeal of a decision of the Trademarks Opposition Board (TMOB) which dismissed Yat Sun Food Products Ltd.’s (Yat Sun) opposition to Griffith Foods International Inc.’s (Griffith) trademark CHEF’S OWN (the Mark), for various food sauces and seasoning.
Deeth Williams Wall https://www.dww.com/articles/federal-court-considers-test-for-new-evidence-on-trademark-appeal-refuses-trademark

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
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Events

DWW Partner Jennifer R. Davidson To Speak On Privacy Law Panel At LSO 15th Business Law Summit

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.

DWW Partner Jennifer R. Davidson To Moderate Session On Legal Regulation in Cybersecurity at ITechLaw 2025 European Conference

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.

DWW Partner Jennifer R. Davidson To Co-Chair Data Protection Committee Meeting on Neural Data Rights At ITechLaw 2025 European Conference

October 29, 2025

On October 29, 2025, Jennifer R. Davidson will co-chair the Data Protection Committee Meeting at the International Technology Law Association (ITechLaw) 2025 European Conference in London, England.

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