Matthew S. Marrone

Matthew S. Marrone: Attorney with Goldberg Segalla LLP
Attorney Awards


Matthew Marrone is a partner in Goldberg Segalla’s Philadelphia and Princeton offices, where he is one of the leaders of the firm’s professional liability practices focused on lawyers and insurance agents and brokers . He has represented clients in many forms of complex litigation, some with exposures in excess of $10 million. He has tried numerous cases to verdict and argued before various courts of appeal, including the Third Circuit U.S. Court of Appeals. Matt primarily defends lawyers, insurance agents, and other professionals against claims alleging malpractice or other wrongful acts, and often represents these same professionals in ethics investigations and disciplinary proceedings. Matt has defended hundreds of lawyers and has gone to trial in many cases, and often to verdict. Some matters he has defended were exposures in excess of $30 million. He has secured defense verdicts at trial and dismissals at summary judgment, and he has achieved countless favorable settlements for lawyers across all kinds of practice areas. His experience also includes matters involving non-profit directors’ and officers’ liability, governmental liability, civil rights and employment issues, product liability, trademark/copyright infringement, the Fair Debt Collection Practices Act, as well as death/catastrophic injury litigation. He also frequently counsels and represents insurers in coverage disputes.

Matt gained national recognition as Chair (2009-11) of the Professional Liability Committee of the Defense Research Institute (DRI), the largest organization of defense attorneys in the country, with membership in excess of 22,000. He is a frequent author and lecturer for regional and national audiences on topics in his areas of concentration. This activity includes writing the quarterly “Avoiding E&O ” column for Property Casualty 360.

He encourages his clients to view him as a trusted resource for their businesses, practices, or legal decision-making. By zealously advocating for his clients, providing them with relevant education, and recognizing the overall importance of cost efficiency in legal representation, Matt strives to ensure his clients receive excellent value from the services he provides.


•Pennsylvania Super Lawyers, Professional Liability: Defense, 2015 -18
•Pennsylvania Super Lawyers, Rising Stars, 2013
View peer-review methodologies at . No aspect of this advertisement has been approved by the Supreme Court of New Jersey.

Community Involvement

•Coach, Boys Baseball (7 -9 year-olds), Fairmount Sports Association


•Twelve Goldberg Segalla Attorneys Recognized in 2016 Pennsylvania Super Lawyers
May 13, 2016
•Eleven Goldberg Segalla Attorneys Recognized in 2015 Pennsylvania Super Lawyers
June 1, 2015
•Goldberg Segalla Named a New Jersey Powerhouse by Law360
June 26, 2014
•Goldberg Segalla Attorneys Listed in 2013 Pennsylvania Super Lawyers
May 17, 2013


•Fifteen Goldberg Segalla Attorneys Featured in 2018 Pennsylvania Super Lawyers
May 18, 2018
•Six Goldberg Segalla Attorneys Listed in 2013 New Jersey Super Lawyers
May 1, 2013
•Matthew S. Marrone Joins Goldberg Segalla as Partner in Professional Liability Practice Group
February 14, 2012


•In Ruling Clarifying NJ Legal-Malpractice Law, Judge Dismisses Suit against Divorce Attorney
January 4, 2019
•Legal Malpractice Claim Stemming From Complex Contract Negotiation Tossed Out on Appeal
September 11, 2018
•Two Recent Victories Significant for Defendants in New Jersey Legal Mal Cases
July 17, 2018


•Professional Liability Matters


•“Fanning the Flames: Have Conflicts of Interest Driven Up Claim Severity?” (Moderator), American Bar Association National Legal Malpractice Conference, Miami, FL, April 3-5, 2019
•Presenter, Relationship Counseling: How Different Levels of the Insurance Chain Impact E&O Claims, 10th Annual Errors & Omissions Insurance ExecuSummit, Uncasville, CT, June 7, 2016
•Author , Where Does Client Dissatisfaction Become an E&O Claim? Property Casualty 360 , November 12, 2015
•Panelist, Professional Liability Roundtable, IADC, New York, NY, May 28, 2015
•Author, “ Avoiding E&O: When an Insurer Goes Broke, Can Policyholders Blame the Broker? ” Property Casualty 360, March 4, 2015
•Quoted in “ Foley Atty in High Court Row May Have Broken Ethics Rules ,” Law360, February 23, 2015
•Author, “Caught in a Bind,” National Underwriter Property & Casualty, August 2014
•Co-Author, “Reduce E&O With EPL,” National Underwriter Property & Casualty, June 2014
•Author, “The Importance of How You Promote Your Agency: Social Media,” chapter in Insurance Agency Risk Management: A Comprehensive Guide to Avoiding E&O Claims, Book Two, Agents of America / Thomson Reuters, May 2014
•Author, “Consumer Protection Laws: Liability and Coverage Implications for Licensed Professionals and Their Insurers,” IADC Professional Liability Newsletter, February 2014
•Presenter, “Ethical Boundaries of Discovery in Social Media” and “Proper Social Media Conduct/Social Media Policies,” NBI Seminar: Ethics and Social Media - What Attorneys Need to Know, Cherry Hill, NJ, December 19, 2013
•Co-Author, “Moving Target: State Law Variances Require Agents to Be Diligent With Referral Fees,” American Agent & Broker, August 2013
•Presenter, “Professional Liability Claims Involving Criminal Charges,” E&O Insurance ExecuSummit, Mohegan Sun Resort, Connecticut, June 18-19
•Author, “Little FTC Acts: Case Study Analysis of State Consumer Protection Laws,” American Agent & Broker, May 2013
•Co-Author, “Fortify Loss Control: N.Y. Ruling Makes It Easier for Insureds to Sue Agents,” American Agent & Broker, February 2013
•Co-Author, “Insurer Insolvency,” chapter in Insurance Agency Risk Management: A Comprehensive Guide to Avoiding E&O Claims, Book One , Agents of America / Thomson Reuters, 2012
•Author, Pennsylvania Chapter for DRI’s Professional Liability Insurance: A Compendium of State Law , 2012
•Presenter, “Legal Ethics for Everyday Practice,” NBI Seminar, December 2012
•Panelist, “Malpractice Prevention and Ethical Compliance,” Minnesota Lawyers Mutual CLE Seminar, November 27, 2012
•Co-Author, “ Social Missteps: Web 2.0 raises risks for defamation, libel, copyright and security breaches ,” American Agent & Broker (Avoiding Errors and Omissions Column), November 2012
•Author, “Personal Umbrella Undersold?” American Agent & Broker, (Avoiding Errors and Omissions Column), August 2012
•Author, “ Clear Compensation: A Lesson in Transparency From NY’s Disclosure of Broker Compensation Rule ,” American Agent & Broker (Avoiding Errors and Omissions Column), May 2012
•Panelist, Real Estate Closing Attorney Malpractice Claims, Legal Malpractice Update Seminar, New Jersey Institute for Continuing Legal Education, March 31, 2012
•Co-Author, “ Record Retention: When Litigation is Pending or Foreseeable, Create a Litigation Hold Memorandum ,” American Agent & Broker (Avoiding Errors and Omissions Column), February 2012
•Presenter, “Professional Negligence - Or Is It More Than Just That?” DRI Professional Liability Seminar, December 15-16, 2011
•Presenter, “How to Avoid Being the Target of a Legal Malpractice Claim,” Legal Ethics: Solutions to the Most Common Challenges, National Business Institute Seminar, December 14, 2011
•Author, “Required Reading: Jurisdictions Disagree on Whether Insureds Have to Read Their Policies,” American Agent & Broker (Avoiding Errors and Omissions Column), November 2011
•Author, “Define Your ‘Client,’ and Beware the ‘Nonclient,’” New Jersey Law Journal, October 17, 2011
•Author, “The Erosion of Privity and Expansion of Lawyers’ Duties,” ProAssurance Lawyers’ Professional Liability Update, Fall 2011
•Author, “Reasonable Care or Fiduciary?”American Agent & Broker, (Avoiding Errors and Omissions Column), August 2011
•Author, “Rescission Blues,” American Agent & Broker (Avoiding Errors and Omissions Column), May 2011
•Presenter and Program Chair, “Coverage Issues Involving Claims-Made Policies,” Professional Liability Track, DRI Insurance Coverage and Claims Institute, April 14-16, 2010
•Author, “Claim Responsibility,” American Agent & Broker (Avoiding Errors & Omissions Column), February 2011
•Author, “Avoid the Problem Client,” American Agent & Broker (Avoiding Errors & Omissions Column), November 2010
•Author, “Meet and Document Customer’s Reasonable Expectations,” American Agent & Broker (Avoiding Errors & Omissions Column), August 2010
•Author, “Are You Paying Your Employees What You Owe Them?” American Agent & Broker (Avoiding Errors & Omissions Column), May 2010
•Author, “Steps to Take if You Are Sued,” American Agent & Broker (Avoiding Errors & Omissions Column), February 2010
•Author, “When Client Dissatisfaction Moves to E&O Claims,” American Agent & Broker (Avoiding Errors & Omissions Column), October 2009
•Author, “Defending Fair Debt Collection Practices Actions,” DRI’s For the Defense, May 2009
•Author, “What’s in a Name? The Clear Distinction Between Agent and Broker No Longer Applies,” American Agent & Broker (Avoiding Errors & Omissions Column), November 2008
•Presenter, “Application of Consumer Protection Statutes to Licensed Professionals: A Jumble of Judge-Made Law,” CLE seminar presented at DRI’s Annual Meeting, October 24, 2008
•Author, “Consumer Protection Laws and Licensed Professionals: Opposing Liability Viewpoints and Murky Coverage Implications,” PLUS Journal, June 2008

(Also at Philadelphia, PA Office)

Areas of Practice (3)

  • Corporate Services and Commercial Litigation
  • Global Insurance Services
  • Management and Professional Liability

Education & Credentials

Contact Information:
267.519. 6851  Phone
267.519.6801  Fax
Mailing Address:
PO Box 580, Princeton, NJ 08540-6530
University Attended:
University of Richmond, B.S., cum laude, 1995
Law School Attended:
Villanova Law School, J.D., 1998
Year of First Admission:
U.S. Court of Appeals for the Third Circuit; U.S. District Court for the Eastern District of Pennsylvania; 1998, Pennsylvania; 1998, New Jersey

Professional Affiliations

•Defense Research Institute, Professional Liability Steering Committee, Immediate Past Chair
•Professional Liability Underwriting Society (PLUS)
•International Association of Defense Counsel
•Agents of America, Advisory Board
•ABA Lawyers Professional Liability Consortium

Birth Information:
Chester, Pennsylvania, October 18, 1973
Payment Information:
  • Fixed Hourly Rates
  • Fixed Fees Available

Peer Reviews

4.4/5.0 (11 reviews)
High ethical standing icon
A Martindale-Hubbell Peer Rating reflects a combination of achieving a Very High General Ethical Standards rating and a Legal Ability numerical rating.
  • Legal Knowledge

  • Analytical Capability

  • Judgment

  • Communication

  • Legal Experience

  • 5.0/5.0 Rated by a Partner on 05/09/09 in Professional Liability Defense

  • 5.0/5.0 Rated by a Member on 05/01/09 in Professional Liability Defense

    mr. marrone is an excellent lawyer with whom i have had the fortune of working on various national committees in the field of professional liability defense.

    mr. marrone is an excellent lawyer with whom i have had the fortune of working on various national committees in the field of professional liability defense. Read less

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*Peer Reviews provided before April 15, 2008 are not displayed.

Princeton, New Jersey

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