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

Federal Court Reinstates FLOW Trademark, Clarifies New Evidence Rule Federal Court Reinstates FLOW Trademark, Clarifies New Evidence Rule

Trademark and Copyright Litigation
– November 11, 2025November 11, 20252025-11-12
On October 20, 2025, the Federal Court of Canada (the Court) issued its decision in Big Duck Games, LLC v X-Flow Ltd., 2025 FC 1704, allowing Big Duck Games, LLC’s (BDG’s) appeal of a Registrar of Trademarks’ (the Registrar’s) decision expunging its FLOW trademark (the Mark).
Deeth Williams Wall https://www.dww.com/articles/federal-court-reinstates-flow-trademark-clarifies-new-evidence-rule

Canadian Privacy Commissioner Releases New Privacy Act Bulletin With Tips For Collecting Personal Information Canadian Privacy Commissioner Releases New Privacy Act Bulletin With Tips For Collecting Personal Informa...

Privacy
– November 11, 2025November 11, 20252025-11-12
On October 27, 2025, The Office of the Privacy Commissioner of Canada (OPC) released a new Privacy Act Bulletin (the Bulletin), which outlines responsible practices for regulated federal government institutions to consider before, while, and after collecting personal information.
Deeth Williams Wall https://www.dww.com/articles/canadian-privacy-commissioner-releases-new-privacy-act-bulletin-tips-for-collecting

What The Frack? Federal Court Of Appeal Reiterates Principle Of Claim Differentiation In Fracking Patent Dispute What The Frack? Federal Court Of Appeal Reiterates Principle Of Claim Differentiation In Fracking Patent ...

Patent Litigation
– November 11, 2025November 11, 20252025-11-12
On October 20, 2025, the Federal Court of Appeal (FCA) issued its decision in NCS Multistage Inc. v Kobold Corporation, 2025 FCA 187, granting NCS Multistage Inc.’s (NCS’) appeal of a Federal Court of Canada (FC) decision that found NCS infringed certain claims of Kobold Corporation’s et al. (collectively, Kobold’s) Patent No. 3,027,571 (the 571 Patent) for equipment used for hydraulic fracturing, commonly known as fracking.
Deeth Williams Wall https://www.dww.com/articles/what-frack-federal-court-of-appeal-reiterates-principle-of-claim-differentiation-fracking

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
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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 Associate M. Imtiaz Karamat to Co-Chair and DWW Counsel Elisabeth Symons to Speak on OBA “Foundations of Technology Contracting” Webcast

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.

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.

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