David Kaufman

William E. Ridgway is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Regulatory Enforcement (SEC, Telecom, Energy). William E., 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 William E. is held by other top lawyers in the same geographic and legal practice area.

Garret Leach is a nationally recognized first chair trial lawyer who focuses on patent and other intellectual property litigation. He is a registered patent attorney and has successfully led litigation teams in district courts throughout the country as well as at the International Trade Commission. He has also argued for his clients before the U.S. Court of Appeals for the Federal Circuit and the Patent Trial and Appeal Board. His appellate arguments include a successful argument in front of ...

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

Mark D. Pollack is a partner in the Litigation practice of Paul Hastings and is based in the firm’s Chicago office. He also serves as the Firm’s General Counsel. Mr. Pollack concentrates his practice in the areas of white-collar criminal defense, complex commercial litigation, internal corporate investigations, and compliance counseling. He has extensive experience in counseling and defending corporations, boards of directors, and executive officers in relation to a broad range of...

Alan R. Greenfield is a top attorney recognized by Best Lawyers in the practice area(s) of Franchise Law. Alan R., who practices law in Chicago, Illinois, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alan R. is held by other top lawyers in the same geographic and legal practice area.

Jeffrey Ekeberg is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Jeffrey, 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 Jeffrey is held by other top lawyers in the same geographic and legal practice area.

Nick Kahlon’s approach to litigation is straightforward: out-think and out-prepare the other side. His ease in court is grounded in the knowledge that he has thought through and planned for every detail, and his ease with clients comes from a deep understanding of their business needs. Nick’s practice focuses on complex commercial litigation, including noncompetes, class actions, patent cases, and other significant business disputes. He has represented some of the largest companie...

Ronald Safer manages complex, high-stakes cases with a focus in civil litigation. Ron has successfully represented companies and individuals in federal and state court involving matters such as commercial disputes, accounting fraud, tax fraud, anti-kickback violations, Foreign Corrupt Practices Act (FCPA), environmental violations, and securities fraud. He represents clients before the U.S. Department of Justice (DOJ), Securities and Exchange Commission (SEC), Financial Industry Regulatory Au...

Matthew J. Cannon is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar and Qui Tam Law. Matthew J., who practices law in Chicago, Illinois, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew J. is held by other top lawyers in the same geographic and legal practice area.

Russell is a Partner at Kirkland & Ellis LLP where he has spent his entire 36+ year career. He focuses his trial, appellate and alternative dispute resolution practice on patent infringement matters and disputes involving and related to technology transfer and patent license agreements. His trial practice includes jury trials, arbitrations and Section 337 proceedings before the U.S. International Trade Commission. His appellate practice concentrates on appeals in the Court of Appeals for ...