A founding shareholder of Mathis, Marifian & Richter, Ltd. Patrick Mathis focuses his practice in business law, taxation, estate planning and banking.
With more than 35 years’ experience, Pat has an extensive background in providing legal counsel related to business mergers, sales and acquisitions, shareholder litigation, trusts and wills, probate, federal and state tax audits and appeals, Tax Court litigation and criminal tax defense. He has provided a full range of legal services to clients in the Southern Illinois and St. Louis Metropolitan areas for more than three decades.
Pat has been active in legal continuing education for more than 25 years having served as an author, speaker and as a member and chairman of the Board of Directors for the Illinois Institute for Continuing Legal Education. He has written several definitive articles in his areas of practice. He has held leadership positions on taxation sections and committees for the American Bar Association and Illinois State Bar Association and has lectured extensively for both. He is also a member of the Missouri Bar Association, St. Clair County Bar Association, Bar Association of Metropolitan St. Louis and the American College of Trust and Estate Counsel.
Pat is involved in his community, having served on the Board of Directors for the March of Dimes, Southern Illinois District; the Board of Trustees for Illinois College of Jacksonville; the board of the Southwestern Illinois College Foundation; on the board of directors of Camp Ondessonk of the Catholic Diocese of Belleville; and as a Southern Illinois University Foundation Planned Giving Council member. He has also served on the boards of the St. Clair County Greenspace Foundation, Signal Hill Neighborhood Association, Signal Hill Education Foundation and Signal Hill School District. Pat has also served on Special Children, Inc.’s Finance Committee for Mamie O. Stookey School and as chairman of Big Brothers Big Sisters of St. Clair County’s Annual Fund Drive. He is very involved in Blessed Sacrament Parish, having served in various roles, including as parish council president, Finance and Parish Council member, and Parish School of Religion teacher. Pat is also currently a member of the Missouri Athletic Club, St. Clair Country Club, Alpha Sigma Nu and Eta Sigma Phi.