847-577-2227 | 312-777-3773

Patrick M. McMahon

Partner, Business Law Manager

Patrick M. McMahon

Partner, Business Law Manager


847-577-2227 ext. 225 | 312-777-3773 ext. 225

Pat concentrates in corporate transactions. Pat is experienced in all aspects of business representation including mergers and acquisitions, financing, employment, joint ventures, commercial real estate transactions, and succession planning.  His clients include limited liability companies, general and limited partnerships, corporations, and sole proprietors.  Pat also represents individuals and families in their personal estate planning matters. Prior to joining the firm in 1996, Pat was a litigation associate with a large Chicago law firm. Pat lives in Inverness with his wife, Karen, and his four children.


Prospect High School, Class of 1984

B.A. from Indiana University School of Business in 1988

J.D. from John Marshall Law School in 1993

Leadership & Honors

  • Rotary Club of Arlington Heights, Member
  • Arlington Heights Chamber of Commerce, Former Director and Executive Committee Member
  • Northwest Community Hospital Foundation, Former Director
  • Journeys from PADS to Hope, Volunteer

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