Picture of David A. Feldheim

David A. Feldheim

Of Counsel
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T: 215.495.6512
F: 215.495.6600

2929 Arch St 13th Floor
Philadelphia, Pennsylvania 19104

David A. Feldheim, Of Counsel in the Firm’s Corporate & Business Services Group, has extensive experience in corporation, franchise and contract matters. Providing legal assistance to his business clients over the past four decades has enabled Mr. Feldheim to acquire a depth of knowledge in numerous areas of commercial law, including extensive experience in the technology, petroleum, and real estate industries. Mr. Feldheim is credited with utilizing his communication skills, experience in drafting and negotiating agreements and broad knowledge of business matters to enable his clients to capitalize on all business opportunities.

Mr. Feldheim frequently assists new and established businesses, large and small enterprises, old and new technology companies, and clients with and without inside counsel. He assists corporations, partnerships, franchise operators, entrepreneurs, and professionals, as well as physicians, attorneys, and accountants.

Prior to joining Reger Rizzo & Darnall, Mr. Feldheim opened and operated his own firm for almost 20 years, where he focused on the practice of corporation and business law. He is well versed in contractual “Best Practices”, and is a frequent lecturer on this and other related topics.

After his graduation from New York University School of Law, Mr. Feldheim served as the Judicial Law Clerk to the Honorable David E. Groshens, President Judge of Montgomery County, PA. After completing his Clerkship, Mr. Feldheim joined the Sunoco, Inc. law department. During his tenure with Sunoco, Mr. Feldheim served as Chief Counsel to two subsidiary corporations, SunGard for six years and Sun Transport for seven years. He also held the positions of Chief Counsel for Commercial Transactions and Chief Counsel for Antitrust. He had first chair responsibility for numerous acquisitions and divestments, outsourcing arrangements and a broad spectrum of contractual negotiations.

Mr. Feldheim has served as Chairman of the Antitrust Committee of the Philadelphia Bar Association, Vice Chair of the Corporate Counseling Committee of Antitrust Law Section of the American Bar Association, and Vice Chair of the Suburban General Healthcare System in Norristown, PA. Currently, he is serving his fourteenth year as Chair of the Montgomery Bar Association Committee on Business, Banking and Corporate Counseling. He has served as Secretary and Board Member of the Montgomery Bar Foundation and he has also been an active member of the Franchise Committee.


J.D., New York University School of Law (1972)

B.A., American University (1969)

Jurisdictions Admitted to Practice Pennsylvania
Professional & Bar Association Memberships

Past Chairman, Philadelphia Bar Association’s Antitrust Committee

Past Vice Chair, American Bar Association Antitrust Law Section’s Corporate Counseling Committee

Past Member of the Board Directors and Executive Committee, Montgomery County Bar Association

Past Chairman, Montgomery County Bar Association’s Intellectual Property and Communication Law Committees

Past Chair, Montgomery County Bar Association’s Business, Banking and Corporate Counsel Committee

Past Treasurer, Montgomery County Bar Foundation

Past Secretary, Montgomery County Bar Foundation

Civic & Charitable Associations
President, Congregation Or Ami
Vice Chair, Board of Suburban General Hospital 
Vice Chair, Board of Suburban General Healthcare System
Publications & Press Mentions
Featured, People on the Move. The Philadelphia Inquirer. (December 26, 2016)
Author, Forty Years Ago. The Montgomery County Bar Association. (December 2012)
Author, Your Neighborhood Gasoline Station - Legal Issues Overview. The Pennsylvania Bar Association. (Spring 2010)
Author, Starting and Running a Business (With or Without a Lawyer?). Mid-Atlantis Alliance. (July 2003)
Author, Contracts, Agreements and Pacts, Oh My! Client Alert