David Duffy

Fran is a compassionate and resourceful attorney whose practice encompasses all areas of complex family law, including divorce, marital dissolutions, child custody, allocation of parental responsibility, maintenance and child support, relocation, and asset identification and division. Fran also has extensive experience with prenuptial and postnuptial agreements. Because Harrison LLP also provides depth in multiple related practice areas, Fran’s clients benefit from sophisticated estate ...

Over the past 25 years, Brian Heidelberger has represented a multitude of the nation’s most revered brands and agencies in the marketing of their products and services. Recognized as Chicago “Lawyer of the Year” in Advertising Law by Best Lawyers and cited by Chambers USA as a “practical solutions-oriented lawyer” and an “expert in the field of advertising,” Brian is sought after by clients for his cutting-edge legal and industry knowledge, responsive...

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 ...

Gregory S. Gistenson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Construction. Gregory S., 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 Gregory S. is held by other top lawyers in the same geographic and legal practice area.

Phillip M. Schreiber is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Phillip M., who practices law in Chicago, Illinois, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Phillip M. is held by other top lawyers in the same geographic and legal practice area.

Susan M. Franzetti has extensive experience in compliance counseling, regulatory and litigation matters. Ms. Franzetti has extensive experience in water pollution matters under both federal and state programs, including issues relating to NPDES and industrial pretreatment discharge permits, effluent toxicity, TMDLs, use attainability analyses, wetlands, CSO’s/SSO’s, rule-making proceedings, variances/site-specific relief, mixing zone demonstrations, antidegradation, antibackslidin...

Sorinel Cimpoes is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Sorinel, 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 Sorinel is held by other top lawyers in the same geographic and legal practice area.

Margaret P. Battersby Black is an award-winning attorney who has played a key role in a number of nursing home and medical malpractice cases at Levin & Perconti. Her commitment to her practice has achieved noteworthy results for clients in all types of personal injury, nursing home, and malpractice matters. She is also committed to the advancement of women in the legal profession and serves as a mentor to law students and younger lawyers. In 2015, she was honored by IIT-Chicago-Kent Law S...

Ted Becker is Co-Chair of McDermott’s ERISA Litigation Team and a Fellow of the American College of Employee Benefits Counsel. He focuses his practice on litigation under ERISA and related federal and state actions, and defense of government investigations and audits relating to employee benefit, health and welfare, and retirement plans brought by the US Department of Labor, the Internal Revenue Service, and the US Department of Justice. He is a leading voice and nationally recognized p...

Lisa M. Burman is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Lisa M., who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lisa M. is held by other top lawyers in the same geographic and legal practice area.