Richard M. Assmus

Jillian S. Cole is a lawyer recognized by Best Lawyers in the practice area of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Jillian S. practices law in Chicago, Illinois Best Lawyers has recognized Jillian S. Cole since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jillian S. Cole is held by other lawyers.

Keith A. Hebeisen is a partner at Clifford Law Offices and one of Illinois’ most respected and accomplished medical malpractice attorneys. For over four decades, he has represented individuals and families in complex medical negligence litigation, securing numerous significant and record-setting verdicts and settlements. Although Mr. Hebeisen concentrates his practice on medical malpractice litigation involving physicians, hospitals, and other health care providers, he has represented i...

Marcelo Halpern is a partner with the firm's Business practice and a member of the Technology Transactions & Privacy group. Marcelo's practice focuses on transactional, strategic and corporate representation of global "FORTUNE 100" companies, start-up and emerging growth companies, as well as U.S.-based and international governments and non-profits. His experience includes structuring and negotiating technology and intellectual property-oriented strategic alliances and joint ventures; sof...

David Koropp is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. David practices law in Chicago, Illinois Best Lawyers has recognized David Koropp since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which David Koropp is held by other lawyers.

John Hartmann is a partner in Kirkland & Ellis LLP’s litigation practice group, where he focuses on shareholder, professional liability and business litigation matters, as well as regulatory enforcement proceedings and corporate internal investigations. John has represented leading corporations, professional services firms, private investment firms, as well as their directors, officers and partners, in numerous securities class actions, shareholder derivative suits, disputes over co...

Gary Gassman focuses his practice in the areas of insurance coverage counseling and litigation and is co-chair of the firm’s Professional Liability Practice Group. For more than 20 years, his practice has been concentrated on management liability including directors and officers and entity liability, employment practices liability, fiduciary liability, and various types of professional liability and commercial general liability coverage. He also has significant reinsurance experience. G...

Mr. Deer represents management in a variety of employment-related matters, including litigation involving age, race, sex, and disability discrimination claims, covenants not to compete, trade secrets, wage and hour claims, ERISA claims, and other workplace torts. Mr. Deer has been named in the 2009 and 2010 editions of The Best Lawyers in America.Mr. Deer has acted as lead trial counsel in employment discrimination/wrongful discharge cases in the federal district and state courts in Illinois,...

James J. Lukas, Jr. is Co-Chair of the Chicago Intellectual Property & Technology Practice. He focuses his practice on intellectual property litigation with a particular emphasis on patent litigation and related client counseling. He has experience with complex patent litigation cases in federal district courts throughout the country, including both enforcing patent rights and defending against charges of infringement on behalf of clients. He has first-chaired trials and claim constructio...

Bill has almost 40 years of experience in bankruptcy litigation. Bill is a calming and relaxed force while being a committed advocate for his clients. Bill is the senior member of Barack Ferrazzano’s Bankruptcy & Creditor Rights Group. In recent years Bill has focused his practice on representing secured debt holders and landlords in Chapter 11 cases and other insolvency proceedings. Bill has litigated a broad variety of cases in the bankruptcy courts, including stay relief, adequat...

Nationally known for successfully representing clients in personal injury matters, Mr. Steven M. Levin is an outstanding attorney, successful entrepreneur and, most importantly, a committed family man. his family values carry over into everything he does, from representing people seeking better care for their elderly loved ones to building a law firm that has become one of the best in the nation at winning substantial verdicts and settlements for people affected by medical malpractice, nursin...