Robert E. Cattanach

Robert E. Cattanach




His technical background enables him to understand the complex business challenges associated with today’s cyber world, and provide the strategic acumen to achieve success.

Bob’s decades of experience as a trial lawyer also enable his clients to achieve their business objectives if other means of resolution cannot be achieved. Bob has an active trial docket in courts around the country, where his innovative thinking, collaborative client approach, and keen strategic insights have provided his clients with a long string of successful verdicts and appeals. Under Bob’s leadership, Dorsey teams have helped our clients achieve precedent-setting results, especially in the complex area of constitutional challenges to government overreach.

Education & Admissions

United States Naval Academy (B.S., Engineering, 1972), with Distinction

University of Wisconsin Law School (J.D., 1975), with Honors


  • Minnesota
  • Wisconsin
  • Minnesota Supreme Court
  • Wisconsin Supreme Court
  • Minnesota Federal District Court
  • Wisconsin Federal District Court
  • U.S. Court of Appeals for the Eighth Circuit
  • U.S. Court of Claims
  • U.S. Supreme Court


Representative Experience

Bob has represented numerous clients in breach responses, development of privacy policies and procedures, and provided counsel to corporate Boards of Directors, and Audit Committees on matters of cybersecurity, privacy and internal governance. Bob’s long history of interaction with key government agencies began with his service of the United States Department of Justice, Civil Division, which represents the interests of the United States and its agencies, including the CIA, FBI, Departments of State, Defense and Energy. His longstanding relationship with those agencies enables him to engage with key players on major cyber issues, and be the “go-to” attorney for all matters cyber.

Bob has significant experience defending consumer class actions, including Telephone Consumer Protection Act (TCPA) suits.

Bob is also a much-sought-after commentator and contributor to professional and journalistic coverage of cybersecurity issues, ranging from the New York Times and USA Today to numerous television media and the Sedona Conference Working Group 11 on cyber matters.

    News & Resources


    US Companies Face Increasing Privacy Challenges in Europe
    US Companies Face Increasing Privacy Challenges in Europe
    Wine and Beer Law, Chapter: Top Ten Pit-Falls in Brewery and Winery Acquisitions
    Joe Hall, Bob Cattanach and Brad Hammer author article on energy and privacy law: "So, who owns your energy-use data?" WindPower Engineering and Development
    Five Steps to Prepare for a Data Breach
    Dorsey Partner Bob Cattanach Comments on Cyber Sharing Bills
    AT&T Settles with FCC for $25 Million in Landmark Privacy and Data Breach Agreement
    Proposed Federal Breach Notification Law: Panacea or Flash in the Pan?
    Message from New York Court: Rely on CGL Policy Coverage for Data Breaches at Your Own Peril
    CFTC and SEC Propose New Identity Theft Red Flags Rules
    "Properties of Telecommunications Mergers and Acquisitions," Aspatore Executive Reports

    News & Press Mentions

    Dorsey Partner Bob Cattanach Comments on Energy Companies and Cyber Attacks
    Dorsey Partner Bob Cattanach Comments on Verizon-Yahoo Deal
    Dorsey Partner Bob Cattanach Comments on Yahoo Data Breach
    Dorsey Partner Bob Cattanach Remarks on Spyware Firm Tied to iPhone Hack
    Dorsey Partner Bob Cattanach Comments on Spyware Companies Facing Privacy Risks
    48 Dorsey Lawyers in Minneapolis and Fargo Selected for Inclusion in The Best Lawyers in America 2017 and 2017 Lawyers of the Year
    Dorsey Partner Bob Cattanach Comments on Microsoft Winning Appeal for Overseas Emails
    Dorsey Partner Bob Cattanach Comments on FBI Probe into Clinton Emails
    Super Lawyers Recognizes 37 Dorsey Lawyers in Minneapolis
    Dorsey Partner Bob Cattanach Remarks on Symantec Ruling
    Dorsey Partner Bob Cattanach Comments on Renewal of Encryption Controversy Following Orlando Shooting
    Dorsey Partner Bob Cattanach Comments on Clinton Email Audit
    Dorsey Partner Bob Cattanach Comments on LinkedIn Data Breach
    Dorsey Partner Bob Cattanach Weighs in on FCRA Spokeo Claims
    Dorsey Partner Bob Cattanach Comments on EU-US Privacy Deal
    Dorsey Partner Bob Cattanach Discusses Microsoft's Fight Over Gag Orders
    Dorsey Partner Bob Cattanach Remarks on FCC's Nutrition Labels
    Bob Cattanach on "The Latest on the FBI/Apple Legal Battle" [Podcast]
    Dorsey Partner Bob Cattanach Comments on FBI Not Divulging Hacking Secrets
    Dorsey Partner Bob Cattanach Remarks on FBI Vacating Apple Order

    Select Presentations

    • “Dorsey & Whitney LLP DorsEdiscovery Forum,” Dorsey & Whitney LLP Seminar, January 28, 2015
    • “Dorsey & Whitney LLP Cybersecurity Seminar,” Dorsey & Whitney LLP Seminar, November 12, 2014
    • “Company Computers Under Attack: Big Dollars and Private Data Are Being Stolen Every Day: What Are You Doing About It?”, Dorsey & Whitney LLP Webinar, June 26, 2014
    • “Privacy & Technology Commerce,” Dorsey & Whitney LLP Breakfast Briefing, March 12, 2014
    • “Once More Into the Breach: Managing Risks When Your Company’s Data Has Been Compromised,” Dorsey & Whitney Corporate Counsel Symposium, 2013
    • Numerous CLE presentations on Regulatory Litigation and Enforcement

    Industries & Practices

    Cybersecurity, Privacy & Social Media
    Government Enforcement & Corporate Investigations
    • Closely Held Businesses
    • Cybersecurity, Privacy & Social Media
    • Energy
    • Environmental
    • Food & Agribusiness
    • Government Enforcement & Corporate Investigations
    • Health Care
    • Insurance Law
    • Mining & Natural Resources
    • Public-Private Project Development
    • Telecommunications
    • Telephone Consumer Protection Act

    Professional & Civic

    Professional Achievements

    • The Sedona Conference Working Group on Data Security and Privacy Liability, Working Group 11 (June 2015)
    • The Sedona Conference All Voices Meeting (2014)
    • Chairman of the Board, Ordway Center for the Performing Arts
    • Co-Chair, International Association of Privacy Professionals KnowledgeNet Chapter, Minneapolis-St. Paul
    • Past President, numerous Bar Association Committees and Divisions

    Community Involvement

    • Minnesota State Cycling Champion – Road Race (2009)
    • Minnesota State Cycling Champion – Criterium (2009)


    • Listed in Best Lawyers in America©, 2008-2017
    • Listed as a Minnesota Super Lawyer, 2011-2016
    Robert E. Cattanach