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Jonathan Landesman

Partner   |   Philadelphia, New York
Partner   |   Philadelphia, New York

As co-chair of the Firm’s Labor & Employment Group, Jon aggressively represents contractors and other construction industry clients in all areas of labor and employment law. He is a shareholder and a member of the Firm’s Executive Committee and Board of Directors.

Jon has broad experience representing employers in all types of employment litigation matters, including discrimination, harassment, retaliation, wrongful discharge, and FMLA cases. He also represents employers in overtime, misclassification, and employee benefit cases, including class actions and collective actions. Jon has served as lead trial counsel in federal and state courts around the country, appearing pro hac vice in Delaware, Georgia, Kentucky, New Jersey, New Mexico, Ohio, South Carolina, Virginia, West Virginia, and Wisconsin. Jon also has extensive experience at the appellate level and has personally briefed and argued cases before the United States Court of Appeals for the Third Circuit, Pennsylvania Commonwealth Court, Pennsylvania Superior Court, and Delaware Supreme Court.

Jon regularly litigates cases involving non-competition agreements and the misappropriation of trade secrets. He has successfully handled dozens of emergency injunction hearings, obtaining preliminary and permanent injunctions and recovering millions of dollars of lost profits for his clients.

Jon is also an experienced labor lawyer. As lead negotiator at the bargaining table, he has successfully negotiated collective bargaining agreements in a wide variety of industries, including manufacturing, construction, distribution, telecommunications, and food service. He regularly handles unfair labor practice charges, union organizing campaigns, and grievance and arbitration proceedings.

Jon counsels clients on virtually all workplace issues, including hiring and firing, leaves of absence under the FMLA, drug testing, and wage and hour compliance. Jon has reviewed and prepared hundreds of employee handbooks, restrictive covenant agreements, and severance agreements.

On occasion, Jon accepts cases representing executive-level employees in employment cases, particularly in cases involving a breach of contract.

In addition to his labor and employment practice, Jon has substantial experience litigating shareholder disputes and business-divorce cases involving closely held companies and partnerships.

A frequent author, Jon’s writings on labor and employment law have appeared in several national publications. He has presented seminars on labor and employment law issues for a variety of national organizations, employer associations, the Philadelphia Bar Association, and clients of the Firm. He has also taught graduate and undergraduate level courses at Holy Family University as an adjunct faculty member and has served as an instructor at Ursinus College. He has been quoted in the Philadelphia Inquirer, and his cases have been reported in publications such as the National Law Journal, The Legal Intelligencer, BNA's Daily Labor Report, and Law360.



Jonathan's engagements include:

  • Obtained summary judgment in a multi-plaintiff federal court case involving wage and hour and discriminatory retaliation claims;
  • Successfully briefed and argued the granting of attorneys' fees in a non-competition case before the Pennsylvania Superior Court;
  • Obtained a permanent injunction and compensatory damages in a non-competition case following a week-long trial in a Pennsylvania state court;
  • Successfully negotiated a settlement providing our client in excess of $650,000 in an unfair competition action against two former vice presidents;
  • Obtained an arbitration award for a publicly-traded telecommunications company denying a contract interpretation grievance alleging the improper transfer of bargaining unit work from a union facility to a non-union facility;
  • Obtained summary judgment in federal court against a construction union involving a project labor agreement and work jurisdictional dispute;
  • Obtained mass picketing injunctions against various Philadelphia-based construction unions and the Building Trades Council;
  • Successfully negotiated a settlement providing a former shareholder in excess of $1,400,000 in a replevin action in federal court; and
  • Obtained remedial orders in an unfair labor practice case against two Philadelphia-based construction unions for using inflatable rats and engaging in unlawful picketing.
News & Publications

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  • Martindale-Hubbell AV® Preeminent™ Peer Review Rated
  • Pennsylvania Super Lawyers List, Employment & Labor: 2013 - 2018
  • Super Lawyers Pennsylvania Rising Stars List, Employment & Labor: 2005 - 2008, 2010 - 2012


Fordham University School of Law, J.D.
Boston University, B.A.

Bar Admissions

New York

Court Admissions

U.S. District Court, Eastern District of Pennsylvania
U.S. District Court, Western District of Pennsylvania
U.S. Court of Appeals, Third Circuit
U.S. District Court, Southern District of New York