Peter Sullivan

James P. Chivilo is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. James P., who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James P. is held by other top lawyers in the same geographic and legal practice area.

Steven L. Brenneman is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Steven L., who practices law in Chicago, Illinois, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven L. is held by other top lawyers in the same geographic and legal practice area.

Kathryn Kovitz Arnold is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Kathryn Kovitz, who practices law in Chicago, Illinois, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kathryn Kovitz is held by other top lawyers in the same geographic and legal practice area.

Keith H. Berk is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Keith H., who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Keith H. is held by other top lawyers in the same geographic and legal practice area.

As Global Head of McDermott’s Trademark Prosecution and Controversy Practice, Christina (Tina) L. Martini focuses her practice on domestic and international trademark and copyright law, as well as domain name, Internet, social media, advertising, unfair competition and entertainment law. Tina has extensive experience in counseling, prosecution, enforcement, due diligence and licensing matters. She successfully assists clients in protecting their intellectual property rights through liti...

Kevin M. O'Hagan is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Insurance. Kevin M., who practices law in Chicago, Illinois, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kevin M. is held by other top lawyers in the same geographic and legal practice area.

Timothy Cavanagh, Founder With more than 35 years of experience, nationally recognized trial attorney Timothy J. Cavanagh has championed the rights of personal injury victims across Illinois and throughout the country. Since founding Cavanagh Sorich Law Group in 1997, he has secured more than 75 verdicts and settlements totaling $900 million on behalf of his clients. Cavanagh’s cases have broken Illinois records, strengthened safety standards, and prompted policy change within city and ...

Francis A. Citera is Co-Chair of the firm's Products Liability & Mass Torts Litigation Group and Co-Chair of the Chicago Litigation Practice. Frank has 30 years of experience defending purported class actions, toxic tort actions, and other complex litigation in both federal and state courts. He has tried many cases, including an action by the Government to enforce a unilateral administrative order, an allocation case among potentially responsible parties, and a complex product liability, ...

Matthew F. Bergmann is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Matthew F., who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew F. is held by other top lawyers in the same geographic and legal practice area.

Bob Riley is a trial lawyer. He has tried a broad array of complex, high-stakes cases and has argued appeals in state and federal courts across the country. His practice focuses on product liability, mass torts, and environmental cases; class actions; and general commercial litigation. Bob’s appellate work has given rise to over forty reported decisions concerning trial consolidations, punitive damages, civil conspiracy, class certification, and constitutional interpretation. He litigat...