John Charles Theisen

John Charles Theisen
  • Managing Partner



John Theisen is the managing partner of Theisen & Associates, LLC. He has over 34 years experience in labor-relations matters in union and non-union settings. He has extensive experience in counseling all forms of business entities on labor, employment, and business matters and litigating all types of claims including claims involving discrimination, retaliatory discharge, unfair labor practices, wage disputes, the enforcement of non-competes, shareholder disputes, and breach of contract cases. He also has extensive experience handling personal injury and wrongful death cases. He has appeared before the United States Court of Appeals for the Seventh Circuit and Third Circuit, Federal District Courts throughout the country, the Indiana Supreme Court, the Indiana Court of Appeals and a variety of State Courts all over the country as well.

In addition, John has represented unionized companies as chief spokesperson, negotiating collective bargaining agreements and providing advice on contract maintenance and grievance resolution. He has assisted non-union companies in remaining union-free and responding to union organization efforts. His representation of both groups has involved strike/picket line management, supervisory training, policy development, and a wide variety of dealings with the NLRB, EEOC, and other administrative agencies on employment-related issues. John has appeared as a speaker on labor-related issues before numerous groups.

John is a graduate of St. Louis University School of Law (1977) where he graduated with honors and served as an Editor of the Law Review and the University of Michigan (1974) where he graduated with distinction. He has been a member of the Indiana Bar Association for over 30 years, has 4 children, enjoys playing golf, hockey and bridge and is an avid fisherman.

Areas of Practice

  • Labor and Employment 25%
  • Personal Injury 25%
  • Civil Litigation 25%
  • Business Litigation 15%
  • ERISA Litigation 10%

Bar Admissions

  • Indiana, 1979


  • Saint Louis University School of Law, St. Louis, Missouri
    • J.D. - 1977
    • Honors: magna cum laude
    • Honors: With High Honors
    • Honors: With High Distinction
  • University of Michigan, Ann Arbor, Michigan
    • B.A., Bachelor of Arts - 1974
    • Honors: With Distinction
    • Major: History


  • Business Law, St. Francis University

Honors and Awards

  • Best Lawyers, 2020-2023

Professional Associations and Memberships

  • Indiana Bar Association, Member, Present
  • American Inns of Court, Member, Present
  • Allen County Bar Association, Member, Present

Representative Cases

  • Cherokee Air Prods., Inc. v. Buchan, 4 N.E.3d 831 (Ind. Ct. App. 2014)
  • Custom Radio Corp. v. Actuaries & Benefit Consultants, Inc., 998 N.E.2d 263 (Ind. Ct. App. 2013)
  • Stevenson v. County Comm’rs, 3 N.E.3d 1062 (Ind. Ct. App. 2014)
  • Warrick v. Stewart , 29 N.E.3d 1284 (Ind. Ct. App. 2015)
  • Shackleford v. D&W Fine Pack, LLC, 111 N.E.3d 258 (Ind. Ct. App. 2018)
  • Estate of Phelps v. Book, 152 N.E.3d 1 (Ind. Ct. App. 2020)
  • Estabrook v. Mazak Corp., 140 N.E.3d 830 (Ind. 2020)


  • English


  • Psi Upsilon

Client Testimonials


Very professional, very informed, handled everything very well. Glad to have worked with this company over another I had previously had on my case. – Austin More Testimonials