DWW Ranked Best Law Firm in Canada by Best Lawyers, 2026
DWW Ranked Best Law Firm in Canada by Best Lawyers, 2026
DWW Welcomes Gary Daniel as a Partner of the Firm
DWW Welcomes Gary Daniel as a Partner of the Firm
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.
Helping Your Ideas Take Flight For Over 25 Years
Helping Your Ideas Take Flight For Over 25 Years.

Recent Insights

Provision For Adducing New Evidence In Trademarks Appeals Interpreted For The First Time By Federal Court Provision For Adducing New Evidence In Trademarks Appeals Interpreted For The First Time By Federal Court

Trademark and Copyright Litigation
– January 28, 2026January 28, 20262026-01-28
On January 14, 2026, the Federal Court (the Court) issued its decision in Products Unlimited, Inc. v Five Seasons Comfort Limited, 2026 FC 48, overturning the Trademark Opposition Board’s decision (the Board’s Decision) which refused Products Unlimited, Inc.’s (the Applicant) application for FILTER DESIGN on the ground that the diamond-shaped aperture design is dictated primarily by a utilitarian function and therefore non-registrable. The Applicant sought leave to file additional evidence and appealed the Board’s Decision.
Deeth Williams Wall https://www.dww.com/articles/provision-for-adducing-new-evidence-trademarks-appeals-interpreted-for-first-time-by

Date Of Acquisition May Be Used For Special Circumstances Excusing Non-Use Of Recently Acquired Trademarks Date Of Acquisition May Be Used For Special Circumstances Excusing Non-Use Of Recently Acquired Trademark...

Trademark and Copyright Litigation
– January 28, 2026January 28, 20262026-01-28
On January 9, 2026, the Federal Court of Appeal (FCA) issued its decision in Comité interprofessionnel du vin de champagne v Coors Brewing Company, 2026 FCA 2, dismissing an appeal of a Federal Court (FC) decision finding that the Registrar of Trademarks (the Registrar), committed no error in concluding that special circumstances excusing non-use existed for recently acquired trademarks.
Deeth Williams Wall https://www.dww.com/articles/date-of-acquisition-may-be-used-for-special-circumstances-excusing-nonuse-of-recently

Canadian Privacy Commissioner Investigates Retailer’s Sale Of Refurbished Laptops Which Were Not Fully Wiped Canadian Privacy Commissioner Investigates Retailer’s Sale Of Refurbished Laptops Which Were Not Fully Wi...

Privacy
– January 28, 2026January 28, 20262026-01-28
On January 13, 2026, the Office of the Privacy Commissioner of Canada (the OPC) released its findings of its investigation into Staples Canada ULC’s (Staples) privacy practices related to their “Openbox” program which allows customers to return laptops to be refurbished and resold by Staples. The OPC found that Staples failed to fully remove customers’ personal information from the returned laptops before resale.
Deeth Williams Wall https://www.dww.com/articles/canadian-privacy-commissioner-investigates-retailer%E2%80%99s-sale-of-refurbished-laptops-which

E-TIPS® NEWSLETTER’S “2025: YEAR IN REVIEW” E-TIPS® NEWSLETTER’S “2025: YEAR IN REVIEW”

Intellectual Property
– January 14, 2026January 14, 20262026-01-14
Thank you for your readership over the last year and welcome to what we hope will be an exciting 2026! In this year’s first issue of the E-TIPS® Newsletter, we will recap our most noteworthy reports from 2025, covering developments in intellectual property and information technology law under the following categories: (1) Legislative and Policy Developments, (2) Trademarks, (3) Patents, (4) Copyright, (5) Privacy and Cybersecurity, and (6) Artificial Intelligence.
Deeth Williams Wall https://www.dww.com/articles/etips%C2%AE-newsletter%E2%80%99s-%E2%80%9C2025-year-review%E2%80%9D

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
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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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