Charles D. Lange

Matthew H. Kamens joined the firm’s Philadelphia office in April 2009 as senior counsel in the Business Law Department. A member of the Private Client Services Group, Matthew concentrates his practice in trusts, estate and business planning matters, as well as complex estate administration. Matthew has significant knowledge of life insurance and its structuring in estate planning contexts and also serves as a trustee of a number of significant trusts holding liquid and nonliquid assets ...

Carter N. Williamson is a construction practice attorney who has represented construction industry clients including contractors, subcontractors, suppliers, and owners. He has a background in litigating and resolving legal construction matters from routine common disputes to complex, multi-party litigation. He has resolved construction matters through litigation, arbitration and mediation in the five-county Philadelphia area, the United States District Court for the Eastern District of Pennsy...

Natalie Klyashtorny heads the litigation team at Nochumson P.C. She has played a significant leadership role in the legal community, and has extensive experience as an attorney in the Philadelphia region. Her clients find it reassuring to know that when she walks into a courtroom, she has most likely already appeared before the presiding judge, knows opposing counsel, and understands how to work with them both. Natalie plays an active role in both the real estate and legal communities, and is...

Noah H. Charlson is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Noah H., who practices law in Philadelphia, Pennsylvania, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Noah H. is held by other top lawyers in the same geographic and legal practice area.

Litigation partner Kate Campbell handles environmental, toxic tort and class action litigation and Superfund and RCRA remediation matters*. Since joining the firm in 2003, she has developed considerable experience in defending complex toxic tort claims for personal injury, wrongful death, medical monitoring and property damage, in representing potentially responsible parties across the country in CERCLA and RCRA matters, and in litigating federal, state and private enforcement actions under a...

Ira C. Gubernick is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Ira C., who practices law in Philadelphia, Pennsylvania, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ira C. is held by other top lawyers in the same geographic and legal practice area.

W. John Vandenberg is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. W. John, who practices law in Philadelphia, Pennsylvania, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which W. John is held by other top lawyers in the same geographic and legal practice area.

Leonard A. Sloane is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Personal Injury Litigation - Plaintiffs. Leonard A., who practices law in Media, Pennsylvania, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Leonard A. is held by other top lawyers in the same geographic and legal practice area.

Howard J. Davis is the Chair of the Business and Finance Department and a managing partner of the Firm. He represents clients in a broad range of transactions and acts as outside general counsel to numerous middle market and start-up companies. Howard has an extensive background in representing buyers/sellers, investors, and issuers in mergers and acquisitions; joint ventures and strategic alliances; and corporate finance transactions. During his more than 30 years of experience, he has been ...

James M. Kwartnik is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. James M., who practices law in Philadelphia, Pennsylvania, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James M. is held by other top lawyers in the same geographic and legal practice area.