David P. Leibowitz

Steve Flores is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Steve, 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 Steve is held by other top lawyers in the same geographic and legal practice area.

For the past two decades, Mike has been assisting clients develop and defend their patent portfolios. A former Army officer and Ford Motor Company design engineer, clients appreciate Mike’s organized approach to problems and his ability to communicate with inventors across a wide swath of technologies. Mike is a full spectrum patent attorney and is himself a patentee. On the prosecution side, Mike has procured patents in nearly every art group other than bio/pharma and has an almost per...

Timothy R. Farrell is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Timothy R., 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 Timothy R. is held by other top lawyers in the same geographic and legal practice area.

Kelly Koss focuses her practice in domestic and international construction and commercial litigation and arbitration. She is respected by clients for her counsel regarding litigation avoidance techniques and her willingness to work collaboratively to seek early resolution to disputes. When litigation is unavoidable, Kelly is prepared to advocate zealously for her clients to achieve desired results. Kelly represents owners, developers, contractors and design professionals in disputes related t...

Christopher Butler is a nationally recognized corporate partner who concentrates his practice in the area of debt financing transactions with an emphasis on acquisitions and highly leveraged financings. He represents private equity groups, private and public companies and lending institutions across a broad spectrum of industries. He also represents debtors in loan workouts and restructurings, including debtor-in-possession and exit financings. The transactions that Chris has led include majo...

When corporate management and benefit plan fiduciaries need a highly experienced counselor to represent their interests in employment and compensation, tax, litigation, corporate planning, fiduciary responsibilities, or plan administration matters, they turn to attorney Lee Polk. Lee is adept at representing clients in business transactions and dealings with government agencies, such as the U.S. Department of Labor, the Internal Revenue Service, and the Pension Benefit Guaranty Corporation. C...

Wes is a partner in the Corporate & Securities practice group. He provides comprehensive legal services and advice to asset managers, proprietary trading firms, single-family offices, multifamily offices, and wealth management advisors. Wes counsels them on a wide range of transactional and regulatory issues, including corporate formation, structure and succession planning, operational and administrative matters, securities, futures, and derivatives matters, brokerage and derivatives docu...

As bond and underwriter's counsel, Lewis Greenbaum advises state and local governments, nonprofits and public-private partnerships on a range of general obligation and revenue bond financings. With a public finance practice spanning more than 40 years, Lew has been involved in hundreds of high-profile public projects and public-private partnerships. Lew also advises on public finance legislation. He is the co-author of the Local Government Debt Reform Act and the Municipal Bond Reform Act, tw...

David P. Radelet is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. David P., who practices law in Chicago, Illinois, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David P. is held by other top lawyers in the same geographic and legal practice area.

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.