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Ruth E. Promislow

Partner

Partner | Email

T: 416.777.4688

Email

Toronto

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Promislow Ruth
 
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T: 416.777.4688


Email

Toronto

Download vCard
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  • Education
  • Bar Admissions
  • Select Experience
  • Recent Recognition
  • Insights, News & Events
  • Related Services
  • Select Experience
  • Recent Recognition
  • Insights, News & Events
  • Related Services

Ruth Promislow practices in the areas of privacy, data protection and management, cybersecurity and fraud.

Ruth Promislow helps clients navigate complex privacy, data management, artificial intelligence and cybersecurity matters.

With over 20 years of experience in litigating high-stakes commercial disputes (including complex commercial fraud), marked by an impressive track record of success, Ruth has focused the last decade of her practice on advisory work surrounding regulatory compliance with privacy and emerging technology legislation, data management and governance, cybersecurity preparedness and breach response, and associated commercial and regulatory disputes.

Ruth is regularly retained by leading global organizations for her expertise on privacy regulatory compliance, data management and governance (including breach preparedness, privilege and outsourcing), managing cyber-attacks, transactional opportunities and risks relating to data and cybersecurity, as well as novel issues of privacy, data and cybersecurity law. Ruth’s clients include financial institutions and insurance companies, leading technology platform providers, international retailers, medical device manufacturers, hospitality organizations and professional advisors.

Ruth's expertise is widely recognized, and her accomplishments in privacy, data management and cybersecurity have earned rankings by Chambers Canada, where she and the firm's practice group are globally recognized.

Ruth is a thought leader in the privacy/data/cybersecurity space and is frequently invited to speak on emerging legal issues. Ruth plays a leadership role with several noteworthy international organizations, including:

  • adjunct professor at the University of Toronto Faculty of Law (Cybersecurity and Artificial Intelligence);
  • invited speaker to the FBI/RCMP Cybercrime Exchange;
  • lead facilitator for the MasterCard Emerging Leaders Cyber Initiative;
  • steering committee member at the Cambridge Forum on Cybersecurity; and
  • member of the United States Cybersecurity Leaders' Roundtable.

Education

McGill University, BA, 1994, with honours University of Toronto, MA, 1995 University of Toronto, LLB, 1998 

Bar Admissions

Ontario, 2000

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Recognize Partners, as Canadian counsel, in its acquisition of Blue Mantis and its subsidiaries in the US, Canada, and India, from ABRY Partners
Marriott International, Inc. in privacy class action litigation
BetterHelp, Inc. in privacy class action litigation
A leading international technology company in preparing opinions on novel issues of law regarding data management
A leading medical device manufacturer with global operations in providing regulatory compliance advice on Canadian privacy and health information laws
Association of insurance and reinsurance companies as breach coach
One of the largest cannabis companies in the world as breach coach for the development of policy and compliance programs on cybersecurity preparedness and incident response
Breach counsel, involving overseeing forensic investigations, regulatory and litigation risk management, reporting to regulators and handling regulatory inquiries and investigations
Lineage Logistics, an international refrigerated warehousing and storage company owned by Bay Grove Capital, on its acquisition of VersaCold Logistics Services, a Canadian refrigerated warehousing company with fully integrated logistics capabilities, from Torquest Partners, The Investment Management Corporation of Ontario and OPTrust
CF Acquisition Corp. VI, a special purpose acquisition company (SPAC) sponsored by Cantor Fitzgerald, as Canadian counsel on its business combination with Rumble Inc., a high growth neutral video distribution platform with an international user/subscriber base, valued at an initial enterprise value of US$2.1-billion
Datasite LLC, a portfolio company of CapVest Partners LLP, in its acquisition of Firmex Inc., a leading virtual data room and subscription file-sharing provider

Recent Recognition

Chambers Canada
Ranked, Privacy & Data
Benchmark Litigation: Canada
Recognized as a Litigation Star
The Legal 500 Canada
Corporate and Mergers & Acquisitions, Energy - Oil and Gas
Canadian Legal Lexpert Directory
Repeatedly Recommended, Data Protection & Privacy
Repeatedly Recommended, Environmental, Social & Governance (ESG)

Insights, News & Events

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Bennett Jones Lawyers Named Among Canada’s Top Litigators By Benchmark Canada

May 01, 2025
       

Blog

Don’t Be the Next Victim of a BEC Scam

April 07, 2025
       

Blog

10 Key Questions to Guide Cyber Risk Management

April 04, 2025
       

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Commercial Litigation
Data Governance Protection & Cybersecurity
Fraud Law
Privacy & Data Protection
Retail, Consumer & Luxury Law
Artificial Intelligence
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