Frank D. Chaiken

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...

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...

Commercial real estate investors trust Kenneth Jacobson to guide them through high-dollar transactions in all kinds of economic environments. He helps capital providers like real estate investment trusts (REITs), commercial banks, insurance companies and investment funds invest in commercial real estate through a world of different product types and investment structures. Thanks to a rigorous focus on issues that matter, Ken executes deals with maximum efficiency. Ken has a well-honed ability...

Keith Hebeisen is a partner at Clifford Law Offices. One of the most respected medical malpractice attorneys in Illinois, Mr. Hebeisen has achieved great results for clients in settlements and trials. Although Mr. Hebeisen concentrates his practice in the area of medical malpractice cases against doctors and hospitals, he has represented individuals in a wide variety of cases, including transportation, product liability and toxic torts. We are proud to have him on our team. Mr. Hebeisen has b...

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

Matthew C. Crowl is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Criminal Defense: White-Collar. Matthew C., who practices law in Chicago, Illinois, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew C. is held by other top lawyers in the same geographic and legal practice area.

Roy Bossen concentrates his practice in corporate health care. He has represented numerous hospitals and physician groups in corporate and regulatory matters. Mr. Bossen has extensive experience in compliance counseling, structuring and implementing joint ventures, physician contracting and compensation, establishing and representing medical practices and the acquisition and sale of medical practices. Mr. Bossen also has significant experience in regulatory, tax exemption and accreditation co...

Gabor Balassa is a senior litigation partner and trial lawyer. Gabor has successfully tried significant commercial disputes in federal and state courts and in arbitrations across the country, including in New York, Chicago, Dallas, Houston, Pittsburgh, Tampa, and Wilmington. He represents a diverse client base, ranging from big-four accounting firms, to oil & gas, telecommunications, and pharmaceutical companies, to private-equity firms. Gabor’s broad experience encompasses class ac...

James H. Whalen is the co-managing partner of Lipe Lyons Murphy Nahrstadt & Pontikis LTD, a Chicago, Illinois law firm. He practices in the areas of Litigation – Insurance, tort defense, commercial litigation, and product liability. Mr. Whalen represents clients in state and federal courts, as well as before state administrative bodies. His practice includes construction, business, commercial, product liability, employment discrimination, and premises liability litigation. Mr. Whale...

Drawing on nearly 40 years of combined experience as a federal prosecutor and defense attorney, Sheldon Zenner expertly navigates his clients through high-stakes matters, including government and internal investigations, regulatory proceedings, all phases of criminal matters and related civil litigation. Sheldon's diverse client base is made up of corporations, high-ranking executives and company owners across a wide range of industries, including financial services, health care and entertain...