Matthew Siegel

Cozen O'Connor PC

Matthew J. Siegel focuses his practice in the areas of cyber and technology risks, commercial litigation, and insurance coverage. He also co-chairs the firm’s Privacy, Data and Cybersecurity Industry Team and is a member of the Technology Committee.

Matt has represented a wide variety of clients, including insurers, contractors, product manufacturers, and individuals, and concentrates his practice on complex litigation matters, including prosecuting and defending first- and third-party insurance coverage claims, construction claims, and commercial disputes.

Matt has also counseled clients on the evaluation of data privacy risks, responses and solutions, and he serves as a breach coach, providing analysis and advice to address data breach events, including forensics, notification pursuant to federal and state laws, credit monitoring, and public relations issues.

In addition to breach response, Matt has counseled insurers on the underwriting and coverage issues arising under cyber-risk policies. Outside of the office, Matt is an active member of the community. He is the former vice president of the board of the Support Center for Child Advocates, a nonprofit organization that represents abused and neglected children in Philadelphia.

He also serves as chair of the firm’s child advocacy practice group and handles several cases for the Support Center. He has lectured at the center’s training program on several occasions, co-chairs the agency’s Volunteer Committee, and was named one of its Distinguished Advocates in 2006. Matt is also a former member of the board of directors of the Jewish Relief Agency, a nonprofit agency that provides food relief to thousands of local citizens in need.

Matt received his Bachelor of Arts in English from Colgate University in 1995. He earned his law degree, cum laude, at Temple University Beasley School of Law in 1998, where he served as an articles editor for the Temple Political and Civil Rights Law Review and was awarded the Barrister Award for achievement in the field of trial advocacy.


  • Provided advice and counsel to a publicly traded REIT on cybersecurity and incident response plans, and provided overall assistance regarding risk management relating to cybersecurity.
  • Provided advice and counsel on insurance coverage issues relating to high-profile consumer data breaches that involved millions of cardholders, including oversight of settlement negotiations with nationwide class counsel and payment card brands.
  • U.S. District Court for the Eastern District of Pennsylvania verdict in 2013 in favor of national workers’ compensation insurer following a week-long jury trial, and against insured on counterclaim for bad faith. The jury found that the insured committed fraud in the application, entitling the insurer to recover from the insured its attorney’s fees and amounts paid on a claim valued at more than $4 million.


  • Temple University School of Law, J.D., cum laude, 1998
  • Colgate University, B.A., 1995

BAR ADMISSIONS : New Jersey; Pennsylvania


  • Pennsylvania Supreme Court
  • Superior Court of New Jersey
  • U.S. District Court — Eastern District of Pennsylvania
  • U.S. District Court — New Jersey
  • U.S. Court of Appeals for the Third Circuit


  • American Bar Association
  • Defense Research Institute
  • Pennsylvania Bar Association
  • Philadelphia Bar Association
  • Philadelphia Support Center for Child Advocates


Rate : $$$

What types of cases Attorney Matthew Siegel & Cozen O'Connor PC can handle?
Cozen O'Connor PC can handle cases related to laws concerning Litigation, Insurance, Construction, Privacy. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Cozen O'Connor PC located?
Cozen O'Connor PC is located at One Liberty Place, 1650 Market Street, Suite 2800, Philadelphia, PA 19103, United States. You can reach out to Cozen O'Connor PC using their phone line (215) 665-3703. You can also check their website or email them at [email protected].
How much would it cost to hire Cozen O'Connor PC?
Matthew Siegel lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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Cozen O'Connor PC
Philadelphia 19103 PA US
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