Mark Weissburg

Janet Garetto is a partner in the IP group. Her practice spans the firm’s Trademarks & Copyrights, Patents and IP Litigation practice groups. Janet counsels clients on IP issues facing their brands. In addition, she counsels clients on patent protection and litigation prevention issues with a focus on chemical and mechanical technologies. Janet also serves as the Managing Partner of Nixon Peabody’s Chicago office. What do you focus on? I focus my practice on three main areas, ...

Mark D. Pollack is a partner in the Litigation practice of Paul Hastings and is based in the firm’s Chicago office. He also serves as the Firm’s General Counsel. Mr. Pollack concentrates his practice in the areas of white-collar criminal defense, complex commercial litigation, internal corporate investigations, and compliance counseling. He has extensive experience in counseling and defending corporations, boards of directors, and executive officers in relation to a broad range of...

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

Thomas J. Pontikis is a partner with Lipe Lyons Murphy Nahrstadt & Pontikis Ltd. in Chicago, Illinois. His practice focuses on insurance defense, commercial litigation, mass and toxic tort litigation, product liability, construction litigation, professional malpractice, construction defect matters, and Personal Injury Litigation – Defendants. He is peer review rated by Martindale-Hubbell with an AV Preeminent designation, reflecting high peer recognition for ethical standards and le...

Laurie Levin is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Real Estate Law. Laurie, 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 Laurie is held by other top lawyers in the same geographic and legal practice area.

Barry A. Chatz is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Litigation - Bankruptcy. Barry A., 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 Barry A. is held by other top lawyers in the same geographic and legal practice area.

Seth Horvath focuses his practice on trial and appellate litigation in state and federal courts nationwide. He represents a wide variety of clients in complex commercial disputes across multiple industries. My focus My practice includes three main areas: Commercial Litigation My commercial litigation experience is wide-ranging. From single-witness administrative hearings to complex, multiparty trials to summary proceedings on issues of law, I represent clients in the real-estate, financial-se...

Kenneth P. Kansa is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Kenneth 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 Kenneth P. is held by other top lawyers in the same geographic and legal practice area.

Colin Dunn is a highly successful premise liability lawyer, aviation accident attorney, and partner at Clifford Law Offices. He obtained his law degree from Loyola University School of Law in Chicago, graduating magna cum laude. Mr. Dunn was eighth in his class of 169, and served on the Law Journal. During law school, he worked for the Honorable Justice Ann Williams of the Seventh Circuit Court of Appeals as well as for the Honorable Judge Ronald Guzman of the United States District Court for...

A firm founder, visionary leader, and skilled litigator, Paul Slater handles high-stakes antitrust cases for private and public enterprises, including Fortune 500 companies. He pioneered the opt-out practice, representing companies as individual plaintiffs in industry-wide multidistrict antitrust litigation. This practice enables clients to tailor their claims and maximize their recoveries outside of class action proceedings, which often fail to meet individual client needs. Mr. Slater repres...