Peter J. Guffin
Recognized since 2014
Portland, Maine
Copyright Law
Litigation - Intellectual Property
Peter Guffin is chair of Pierce Atwood’s Privacy & Data Security practice. A long-time partner and now of counsel at the firm, Peter focuses his practice in the areas of information privacy and cybersecurity law, drawing on his extensive experience in the areas of intellectual property, the internet, and information technology.
Peter regularly advises clients with respect to regulatory compliance issues, risk management, governance, and data security incidents, including internal forensic investigations, data breach notification obligations, regulatory investigations and enforcement, risk mitigation, and litigation strategies.
Peter represents businesses and organizations across a wide range of industry sectors, including health care, information technology, education, energy, banking, financial services, insurance, and retail.
- E-mail: pguffin@pierceatwood.com
- Direct Phone Number: 207-791-1100
- Phone Number: 207-791-1100
- Lawyer Page: https://www.pierceatwood.com/people/peter-guffin
- Merrill's Wharf
254 Commercial Street
Portland, ME 04101
- University of Pennsylvania, J.D., graduated 1981
- Rutgers, The State University of New Jersey, B.A., magna cum laude, Phi Beta Kappa
- United States, Maine
- United States, Massachusetts
- Judicial Branch Task Force on Transparency and Privacy in Court Records (2017-2018) - Member
- Northern New England KnowledgeNet, International Association of Privacy Professionals - Co-founder; Co-chair (2014-2018)
- University of Maine School of Law - Visiting Professor of Practice; Co-director, Information Privacy Law Program
63 The Best Lawyers in America® awards
14 Best Lawyers: Ones to Watch® in America awards
- Litigation - Intellectual Property, Portland, ME (2025)
- Trademark Law, Portland, ME (2015)
- Copyright Law
- Litigation - Intellectual Property
- Licensing
- Open-Source Software
- Software
- Certified Information Privacy Professional (CIPP/US, CIPP/E), International Association of Privacy Professionals.
- Distinguished Fellow, Ponemon Institute, in recognition of service, commitment, and leadership to the advancement of responsible information management practices in business and government.
- Listed in The Best Lawyers in America® for Copyright Law and Intellectual Property Litigation (2014-present)
- Recipient of Maine Judicial Branch 2018 "Outstanding Volunteer of the Year" Award
- Selected as arbitrator for EU-US Privacy Shield Program by the US Department of Commerce and EU Commission.
- Information Technology Law
- Litigation - Patent
- Patent Law
- Privacy and Data Security Law
- Trademark Law
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