About Us Jarvis Law Office, P.C. is an Estate Planning Attorney in St. Clairsville. We offer services spanning the Trust Lawyer and Estate Planning spectrum to help you retain more of your assets and dignity as you age. If you are facing a difficult decision regarding the care of a loved one, or if you have concerns about the future of your estate, your family’s assets, and how they can be managed responsibly, you don’t have to make these decisions alone. Get the answers you need and the benefits you deserve.