William D. Heinz

Robert J. Cooney, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs. Robert J., 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 Robert J. is held by other top lawyers in the same geographic and legal practice area.

Caroline W. Hudson is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law. Caroline W., who practices law in Chicago, Illinois, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Caroline W. is held by other top lawyers in the same geographic and legal practice area.

Tom is an intellectual property attorney who regularly counsels clients on patent and trademark prosecution, IP litigation, and post-grant patent challenges before the Patent Trial and Appeal Board (PTAB). His practice reflects a balance of strategic portfolio development and dispute-driven risk assessment, uniquely blending transactional work with intellectual property litigation. This integrated approach enables him to advise clients with a practical, end‑to‑end perspective on how patents a...

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

David Allen helps high-net-worth individuals and families with all their legal needs. With an approach that seamlessly integrates estate planning, tax minimization and concierge lawyering, David's advice allows his clients to spend less time managing advisors and more time focusing on their passions, their businesses and their families. From restructuring valuable art collections to coordinating legal services for multibillion-dollar family businesses and family offices, David is often the fi...

Jeffrey H. Lipe is a founding partner of Lipe Lyons Murphy Nahrstadt & Pontikis LTD in Chicago, Illinois. He leads the firm’s general liability practice and is a member of the professional liability, commercial litigation, product liability, construction, transportation, and labor and employment practice groups. His practice includes product liability, construction litigation, commercial litigation, employment counseling and litigation, premises liability, transportation liability m...

Gabriel Aizenberg is a commercial litigator representing corporate and individual plaintiffs and defendants in complex proceedings in federal, bankruptcy and state courts and arbitration forums. He focuses his practice on litigation areas such as fraud, contractual disputes, business torts, breach of fiduciary duty, claims of violations of non-competition and non-solicitation agreements, trade secret misappropriation, and government contracts. Gabriel has experience in post-judgment proceedin...

Joseph R. Lanser is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Joseph R., 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 Joseph R. is held by other top lawyers in the same geographic and legal practice area.

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

Marshall is a founding partner of NGE and strategic advisor for diverse clients with substantial business and personal interests worldwide. He manages a broad range of complex transactions and strategies for corporate and individual clients, including mergers and acquisitions, estate planning, federal, state and international tax controversies and venture capital transactions. A significant portion of Marshall’s practice is devoted to developing estate planning and business strategies f...