Ian Zenziper

As a real estate partner, Brett has more than 20 years of diverse experience advising clients with respect to sophisticated real estate transactions, including acquisitions, dispositions, leasing, development, financings, and joint ventures. Brett is a trusted strategic advisor who maintains a deal-oriented approach with a goal of understanding and achieving his client’s goals in an efficient manner. Brett is thoughtful and highly cost-effective as he concentrates on the material issues...

Ricardo E. Ugarte is a top attorney recognized by Best Lawyers in the practice area(s) of International Arbitration - Commercial and International Arbitration - Governmental. Ricardo E., who practices law in Chicago, Illinois, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ricardo E. is held by other top lawyers in the same geographic and legal practice area.

Stephen V. D'Amore is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Stephen V., who practices law in Chicago, Illinois, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephen V. is held by other top lawyers in the same geographic and legal practice area.

Jeralyn Baran is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Jeralyn, 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 Jeralyn is held by other top lawyers in the same geographic and legal practice area.

For more than 30 years, Craig Tobin has been recognized for his precedent-setting civil and criminal trial work and is nationally recognized as one of the best trial lawyers in America, regularly voted by his peers to “The Best Lawyers in America,” “Leading Lawyers” and “Leading American Lawyers.” . Throughout his career, Mr. Tobin has guided many clients through high-profile cases which attract intense media attention and have either changed or defined the...

Andrew R. Running has extensive experience in environmental, insurance, toxic tort and general commercial litigation and arbitration. He has secured coverage victories for numerous clients in environmental contamination, product liability and toxic tort cases. Andrew has tried numerous environmental lawsuits involving claims of property damage and alleged regulatory violations, as well as litigation over the allocation of responsibility for the cleanup of hazardous waste sites. He has success...

Adria E. Mossing is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Adria E., who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Adria E. is held by other top lawyers in the same geographic and legal practice area.

Catherine (Cate) A. Battin represents clients in state and local tax controversies at the audit, administrative and judicial levels in numerous jurisdictions. She provides national state tax strategies for clients on a full range of state tax issues, including income tax apportionment, nexus, combination and sales tax characterization of products and services. She has defended numerous internet sellers in cases brought under the Illinois False Claims Act alleging fraudulent failures to collec...

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

Michael J. Summerhill is a partner in the firm’s Litigation practice group. He is a seasoned litigator with extensive appellate and trial court level experience. He represents clients ranging from Fortune 500 companies to startups in a variety of industries, including health care, software, health information technology, financial services and FinTech, medical device, consumer products, and venture capital. Mike also arbitrates commercial disputes before the American Arbitration Associa...