Willig, Williams & Davidson
1845 Walnut Street - 24th Floor
Philadelphia, PA 19103
Toll free: (800) 631-1233 / (215) 656-3600


Attorney's Practice Areas

Legal Services

Criminal Defense



Jonathan Krinick

Jonathan Krinick is an associate in the legal services department of Willig, Williams & Davidson. Resident in the firm’s Philadelphia office, Jonathan represents individual union members and their families in criminal and bankruptcy matters.

A skilled litigator, Jonathan has been representing working individuals and their families for more than 20 years. He counsels and advocates on behalf of clients facing criminal charges, including traffic violations and license suspensions. Jonathan also routinely represents individuals facing personal bankruptcy. Jonathan also possesses extensive experience in domestic relations and family law matters including divorce, custody, support and domestic violence.

Jonathan serves as an adjunct professor at Widener University School of Law. He teaches Advanced Trial Methods (Criminal), Intensive Trial Advocacy (ITAP) and Criminal Procedure II: Prosecution and Adjudication. Under Jonathan’s tutelage, classroom practice simulations and lectures cover a vast array of material such as preparation of pleadings and motions, discovery, examination of witnesses, motions practice, trial strategy, constitutional considerations, procedure and plea bargaining.

Jonathan began his career as a criminal defense attorney in Washington, D.C., handling client counseling, plea negotiations, motions, jury and non-jury trials, appellate representation and coordination of social services for his clients. He received his bachelor of arts from George Washington University and his law degree from the University of Connecticut School of Law.


  • University of Connecticut School of Law, J.D., 1982
  • George Washington University, B.A., 1979


  • Willig, Williams & Davidson, Associate, 2008-Present
  • Jennings Sigmond, Associate, 1989-2002; Director of Legal Service Plans, 2002-2008
  • Widener University School of Law, Adjunct Professor, 1993-Present
  • Temple University Legal Aid Office, Associate Counsel, 1986-1989
  • Law Office of Jonathan Krinick, Principal, 1983-1986

Court Admissions

  • District of Columbia Court of Appeals, 1982
  • United States Court of Appeals for the District of Columbia Circuit, 1985
  • United States District Court for the District of Columbia, 1985
  • Supreme Court of Pennsylvania, 1986
  • United States District court for the Eastern District of Pennsylvania, 1986

Professional Affiliations

  • Philadelphia Bar Association, 1986-Present

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