Grant Y. Lee

Grant Y. Lee

Highland Park, Illinois

Grant Y. Lee is a partner at Quantum Legal LLC and a member of the Illinois bar. Grant is also admitted to practice before the Third and Seventh Circuit Court of Appeals. Prior to joining Quantum Legal LLC, Grant worked as an associate attorney for a multinational Pittsburgh-based law firm where he was involved in complex commercial litigation, class action defense, and product liability matters in state and federal court. Grant also has experience in e-Discovery and regulatory compliance matters and has handled various cases in mediation and arbitration.

Grant is a 2006 cum laude graduate of the University of Notre Dame Law School where he was awarded the Dean's Award in Deposition Skills and also worked at the Legal Aid Clinic. Grant earned a B.A., summa cum laude, from the University of Notre Dame in 2000 with a double major in Government and Computer Applications & Programming. Prior to law school Grant worked as a Technology Risk Consultant for a former Big 5 accounting firm where he was involved in internal audits and regulatory compliance matters.

Areas of Practice

  • Antitrust & Trade Regulation
  • Litigation & Appeals
  • Class Actions
  • Complex Litigation
  • Products Liability Law
  • Medical Products & Devices
  • Pharmaceutical Products

Litigation Percentage

  • 100% of Practice Devoted to Litigation

Bar Admissions

  • Illinois, 2006
  • U.S. District Court Northern District of Illinois, 2006
  • U.S. Court of Appeals 7th Circuit, 2007
  • U.S. Court of Appeals 3rd Circuit, 2009


  • Notre Dame Law School, Notre Dame, Indiana
    • J.D. cum laude - 2006
    • Honors: Dean's Award, Deposition Skills, 2005
  • University of Notre Dame, Notre Dame, Indiana
    • B.A. summa cum laude - 2000
    • Major: Government and Computer Applications and Programming

Past Employment Positions

  • Sarles & Ouimet, LLP, Associate, 2009 - 2010
  • Reed Smith, LLP, Associate, 2006 - 2009


  • Phi Beta Kappa