Grant Y. Lee


Location: Highland Park, Illinois
Phone: (847) 433-4500
Fax: (847) 433-2500

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 and the Northern District of Illinois. Prior to joining Quantum Legal, Grant was an associate for a top 50 global law firm where he engaged in complex commercial litigation, including class action defense, product liability, and insurance recovery matters in state and federal court. Grant also has extensive experience in e-Discovery and regulatory compliance and has handled various cases in mediation and arbitration. Grant has also served as in-house counsel for various real estate firms and other commercial enterprises.

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. While in law school, Grant volunteered 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 specialized in internal audits and privacy & regulatory compliance.

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

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