John A. Leja

John A. Leja is a shareholder at Polsinelli and serves as the Vice Chairman of the Intellectual Property Litigation practice group.  

Mr. Leja has a wide range of experience representing corporations and individuals in matters involving intellectual property and complex commercial litigation in courts throughout the country including preliminary injunction hearings, claim construction, summary judgment and trial (bench and jury). He has counseled numerous companies and major manufacturers concerning patent and copyright litigation, unfair competition, intellectual property licensing, risk management, product liability, consumer transactions and negotiation strategy.

Mr. Leja has been the lead counsel in mediations, arbitrations and trials in a variety of matters. He was co-counsel before the International Trade Commission in a patent dispute involving adjustable work support systems.  He also settled patent disputes involving flexible re-closeable packaging, laminated card stock, and foundry technology. With respect to commercial matters, he has defended consumer class actions (reward points, early termination charges), construction claims (steel structures, concrete foundations, excavation, etc.) and wrongful franchise termination claims seeking in excess of $1.5 million. He also argued on behalf of his client in the U.S. Court of Appeals for the 7th Circuit in a matter of first impressions involving the adequacy of Truth in Lending Act disclosures.