Jonathan M. Mraunac

Of Counsel || Chicago

Jonathan Mraunac represents general contractors, subcontractors, suppliers, and other participants in the construction industry. As a member of Ogletree’s construction practice group, Jonathan advises clients relative to all aspects of the construction process including the prosecution and defense of claims in federal and state court, arbitration, and mediation, the perfection and prosecution of mechanics lien claims, and the formation and negotiation of contract documents.

Recently, Jonathan obtained summary judgment for a subcontractor client in a $2.5 million multi-party lawsuit which alleged construction defects in a downtown Chicago condominium building.

Prior to joining Ogletree, Jonathan represented design professionals in both the litigation and transactional contexts. Jonathan assisted architecture and engineering clients in negotiating project contracts, perfecting and pursuing mechanics lien claims, and defending claims concerning design defect, delay and impact, and personal injury. There, Jonathan prepared non-competition and non-poaching agreements for an ENR Top 250 client in connection with a large-scale healthcare facility project in Kuwait City.

Jonathan is a member of the Associate Board for Make-A-Wish Foundation of Illinois.

Learn more about Jonathan M. Mraunac


  • J.D., Thomas Jefferson School of Law, 2007
  • B.A., University of Michigan, 2004

Admittance to Practice

  • Illinois
  • U.S. District Court, Northern District of Illinois

Professional Activities

  • Chicago Bar Association
  • American Bar Association
  • May 31, 2018 - - "Higher Law: Workers & Weed | Cole Memo Redux | Plus: Who Got the Work"
  • Emerging Lawyer, Construction Law (2016, 2019) Law Bulletin Leading Lawyers (awarded to less than 2% of Illinois lawyers)
  • Rising Star (2016-2017) Illinois Super Lawyers (awarded to 2.5% of Illinois lawyers)

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