Gregory Tsonis

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

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

Floyd Mandell is the national co-chair and founder of the firm's Intellectual Property department. He has represented some of the world’s most recognizable companies in intellectual property litigation. Few other lawyers have handled as many high-profile cases over the past 20 years involving copyrights, trademarks, trade secrets, trade dress, false advertising and defamation. He has been lead counsel in more than 40 published decisions, many involving novel or cutting-edge issues. On m...

David E. Rapoport is the founding and managing partner of Rapoport Weisberg & Sims P.C. In 42 years as a trial attorney, he has consistently won multimillion-dollar jury verdicts and settlements for people who have been wrongfully injured and the families of people who have been wrongfully killed. Recently, David obtained record high jury verdicts and settlements for his clients, including a $ 13.25 medical malpractice jury verdict in 2023, a $6.4 million medical malpractice settlement an...

Roshan P. Shrestha Ph.D. is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Roshan P., 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 Roshan P. is held by other top lawyers in the same geographic and legal practice area.

Michael Carrillo advises individuals and businesses on patent, trademark, copyright and trade secret matters, as well as on foreign and domestic patent and trademark protection. Michael navigates clients through and beyond developing, managing and policing small and large IP portfolios, creating practical strategies that leverage his clients’ assets while safeguarding their bottom line. A member of the firm’s Management Committee, Michael is listed among The Best Lawyers in Americ...

Leonidas L. Bezanis II , a partner at Beermann LLP , brings extensive experience in litigation, mediation, and alternative dispute resolution to help clients navigate a wide range of family law matters. Whether representing high-net-worth individuals, high-profile clients, or families facing life’s challenges, Mr. Bezanis approaches each case with the same dedication, ensuring that every client feels understood and supported. His ability to handle complex financial estates and intricate...

Kevin Durkin is a partner at Clifford Law Offices. Over a career that spans more than 35 years, Mr. Durkin has successfully represented clients in many practice areas, including: Aviation accident litigation and transportation liability Truck, railroad and automobile litigation Premises liability and negligent security Medical malpractice Mr. Durkin has been named a top-tier attorney by U.S. News-Best Lawyers in the areas of personal injury litigation, aviation law and product liability since...

John M. Popelka focuses his practice exclusively representing public and private sector clients in the area of Workers’ Compensation law. Equally comfortable in the courtroom and at the negotiating table, a significant portion of his practice involves litigating and settling claims for union workers who suffer career-ending injuries, permanent total disability, catastrophic injuries requiring home modification and lifetime medical care, and death cases. John joined Anesi Ozmon in 1993, ...

Louis S. Harrison has long been recognized as one of the premier estate planning attorneys in the country. A founding partner of Harrison & Held, LLP – one of the nation’s most elite estate planning firms – Lou’s practice encompasses all aspects of trust and estate planning, including estate and business planning for closely held companies. In addition to individuals in need of sophisticated planning, Lou represents numerous family offices, public figures, CEOs of ...