David S. Petkun is resident in the Philadelphia office and concentrates his practice in corporate and partnership law, mergers and acquisitions, joint ventures, corporate finance, consumer credit regulation, banking, and the Uniform Commercial Code. David joined Cozen O'Connor in the year 2000.

David’s representations include domestic and foreign corporations and financial institutions; healthcare and hospital systems; manufacturers; television networks and television stations; issuers in public and private securities offerings; and entrepreneurs.

David earned his undergraduate degree and law degree, magna cum laude, from the University of Pennsylvania, where he was elected to Order of the Coif. During 1972-1973, he served as law clerk to Hon. John Biggs, Jr., U.S. Court of Appeals for the Third Circuit.