Jason M. Vismantas

Kimberly M. Copp is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Gaming Law and Public Finance Law. Kimberly 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 Kimberly M. is held by other top lawyers in the same geographic and legal practice area.

Jean Gallo Wine is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Jean Gallo, 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 Jean Gallo is held by other top lawyers in the same geographic and legal practice area.

John Cullis focuses his practice on intellectual property litigation, counseling and procurement. Over the course of his career, John has been recognized among his peers as a preeminent litigator in the field of intellectual property. John is an accomplished trial lawyer who has first-chaired trademark, trade dress, trade secret, copyright and unfair competition matters before judges and juries in numerous U.S. federal courts and the U.S. Patent and Trademark Office’s (USPTO) Trademark ...

Basil represents companies in the asset management industry with in regulatory and transactional matters. He regularly counsels clients in connection with structuring and forming private investment funds, including hedge funds, private equity funds, commodity pools, commingled funds, alternative investments and credit funds, group trusts and collective investment trusts, new product development, securities offerings, and related filing obligations, investment management compliance matters, ac...

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...

Born and raised in the Chicagoland area, John grew up working in his family’s restaurant and then stayed local attending both Northwestern University (B.A.) and Notre Dame Law School (J.D.). As a first generation Greek American, John witnessed the difficulties that immigrants can experience while adapting to a new culture. He also experienced the importance of community in helping people to assimilate and understand how to become part of that new culture. He is fluent in Greek and has b...

Former Illinois Director of Insurance Nat Shapo litigates, argues and briefs cases in federal and state appellate and district courts throughout the country for a variety of clients. He represents insurers, licensees and insurance trade associations in regulatory and public policy matters in dozens of states and with federal agencies and the National Association of Insurance Commissioners (NAIC). During his four years as Illinois insurance commissioner, Nat was elected to the NAIC Executive C...

Tony develops and implements global strategies for creating, protecting and enforcing the full range of traditional and digital intellectual property assets, including trademarks, copyrights, trade secrets, patents, domain names and social media portfolios. He enforces intellectual property rights in federal and state courts throughout the country and before the Trademark Trial and Appeal Board. He coordinates similar enforcement efforts all over the world. He manages the daily intellectual p...

Catherine Krenz Doan is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Claimants. Catherine, who practices law in Chicago, Illinois, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Catherine is held by other top lawyers in the same geographic and legal practice area.

Leslie Smith is a litigation partner and was a long-time member of the Firm’s Global Management Committee. She concentrates her practice in the areas of antitrust, class action, and consumer fraud litigation. The Legal 500 stated that Leslie has a ‘good strategic approach’, ‘demonstrates personal commitment to the company’s cause’ and ‘acquires and deploys the best firm talent appropriately’. Leslie is highlighted as “2017 Life Science Sta...