John J. Castaneda

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...

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...

James H. Cundiff advises clients on family wealth and business planning, federal estate, gift and generation-skipping tax planning, and estate and trust administration. James represents entrepreneurs, corporate executives, and other business leaders and wealthy individuals on estate and tax planning matters. Counseling closely held businesses and family members, James is actively engaged in the structuring of family businesses as well as business control and succession planning, multi-generat...

Melissa A. Siebert is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Defendants. Melissa A., 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 Melissa A. is held by other top lawyers in the same geographic and legal practice area.

Timothy S. Schafer is the founding partner of Schafer & Schafer and a seasoned trial lawyer with more than four decades of experience fighting for the injured. Over the course of his career, he’s recovered more than $500 million in verdicts and settlements, including over 100 individual cases where he secured $1 million or more. Timothy has been consistently recognized as one of the top trial lawyers in Indiana and the country, earning honors like Best Lawyer of the Year by U.S. New...

Pat Nash is a partner in the Restructuring Group of Kirkland & Ellis LLP. He represents a variety of clients in complex business reorganizations, troubled company M&A, debt restructurings, and financing matters. He has counseled companies experiencing financial difficulties, purchasers of and investors in distressed companies, and lenders to and creditors of such companies. Pat also has extensive cross-border insolvency experience. Described as “very commercial, very smart and v...

Jonathan A. Rosenfeld is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Jonathan A., who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jonathan A. is held by other top lawyers in the same geographic and legal practice area.

Mitchell D. Goldsmith is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Mitchell D., who practices law in Chicago, Illinois, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mitchell D. is held by other top lawyers in the same geographic and legal practice area.

Janet Garetto is a partner in the IP group. Her practice spans the firm’s Trademarks & Copyrights, Patents and IP Litigation practice groups. Janet counsels clients on IP issues facing their brands. In addition, she counsels clients on patent protection and litigation prevention issues with a focus on chemical and mechanical technologies. Janet also serves as the Managing Partner of Nixon Peabody’s Chicago office. What do you focus on? I focus my practice on three main areas, ...

David represents management nationwide in virtually all areas of labor and employment law. David’s goal is to identify what each client seeks to achieve and then realize that end. David’s dedication to service is manifest in his accessibility to the clients he serves. A direct communicator, David is valued by clients and colleagues alike for providing practical and on-point legal advice, clear answers to complex questions, and workable business solutions. With more than 30 years o...