Attorney Bio
John P. Hilgeman, Esq.

John lives in Kettering, Ohio, with his wife, Jenny, and has three grown children. He grew up in Centerville, Ohio, graduated from Kettering Archbishop Alter High School in 1975, earned his B.A. in Economics from the University of Cincinnati in 1979, and his J.D. from the University of Dayton School of Law in 1982. John is licensed to practice law in the State of Ohio, U.S. District Court for the Southern District of Ohio and the U.S. Court of Appeals for the Sixth Judicial Circuit. He has been a member of the Dayton and Ohio State Bar Associations since 1983.
From 1981 to 1989, John held various positions with Lexis/Nexis, including management responsibilities in Product Development, Database Operations and Corporate Planning. He began his private practice working with Dayton Attorney, Jack E. Staley, from 1989 to 1991. He then worked at the law firm of Altick and Corwin from 1991 until 1994. John and his current partner, Christopher F. Cowan, formed Cowan & Hilgeman in 1994 and purchased a Downtown Dayton office building, where the firm is still located. John concentrates his practice in the areas of General Civil Litigation, Business Law, Estate Planning and Probate Law and Family Law.
John has been active in the legal community, having taught the Dayton Bar Association New Lawyer Training Collection Seminar for several years. He has also taught business law and real estate law classes for the American Institute of Paralegal Studies and the Ohio Real Estate Institute. He regularly donates his time to the Dayton Bar Association Volunteer Lawyers Project, assisting indigent persons obtain a divorce and was the Project’s first recipient of the Unsung Hero Award which recognized him for his longstanding volunteer pro bono work. John has also been invited to appear on the The Dayton Bar Association Lecture Series, both in-person and on television, regarding small business formation and probate matters.
BAR ADMISSIONS
- State of Ohio (1983)
- United States Sixth Circuit Court of Appeals (1990)
- United States District Court for the Southern District of Ohio (1990)
EDUCATION
- University of Dayton School of Law, Juris Doctorate (1982)
- University of Cincinnati, Bachelor of Economics (1979)
PROFESSIONAL ORGANIZATIONS AND ASSOCIATIONS
- State of Ohio Bar Association
- Dayton Bar Association
jesse martin2024-12-17 Cowan & Hilgeman gave me a pain free experience in my personal injury case. They were very helpful and always reached out in a timely fashion and explained every step in detail. Michelle in particular was especially helpful and so nice and patient every step of the way! Thank you! Elizabeth 27012024-10-23 Jack Hilgeman did a great job handing my case.He always responded back to me in a timely manner, he was very knowlegable and proficent.I would definitely recommend and hire him again if needed. Dawn Sanford2024-09-21 Easy to get a hold of all the staff. Always able to answer my questions quick. I would definitely use this firm again. Debbie Carter2024-07-01 Mr. Hilgeman handled my case. He worked diligently on my case. He did an excellent job and I am completely satisfied. caitlin shelton2024-07-01 Although jack was unable to take my case, he was more than exceptional in helping me. Thank you so much Jack for every minute you put into helping. You have no idea how much I appreciate it. I wish you and your firm well. Justin Sullivan2024-05-28 I highly recommend jack and his team to work on your injury or accident claims. I ended up getting alot more back than expected. Michael Galloway2024-04-27 Jack handled my case swiftly and professionally, he almost always is available personally and that's what I loved about having him representing me! Thank you Jack!!! Jay Parris2024-04-01 I wouldn't hesitate to use their services again. Have nothing but Amazing things to say about them.

30-Minute Consultation
No fee. No obligation. No risks.