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In 2020, the readers of CityBeat voted Treleven & Klingensmith the best law firm in Cincinnati.  It means the world to us that Cincinnatians, our former clients and colleagues, took the time to vote us #1.  This award is a recognition of our dedication to not only fighting for our clients in court but also caring for our clients like they are our friends and family.   We understand that representation isn’t just fighting for your rights in the courthouse, but it means working to keep your job, keep your family and keep your sanity.  Many of our clients have never been in the legal system before and we understand the stress and uncertainty that comes with DUI, a criminal charge or other legal matter.  That is why we are available 24-7 to answer any question you have.   Contact us today at 513-999-5297 if you have been charged with a DUI, Criminal Offense or need Family Law representation.  The attorneys of Treleven & Klingensmith dedicate themselves to different areas of the law and we will make sure you are connected with the right attorney.

Client Reviews


John has been such a great support throughout my case. He is a very compassionate, honest and dependable attorney. John is a straight shooter.
– Paula
Would definitely recommend.

I knew going in that I was facing an uphill battle. Mr. Klingensmith was upfront with me about all possible outcomes, likelihood of one outcome over another, etc. No sugar-coating, straight to the point. Very personable. He managed to get what could have been an absolute nightmare down to state minimum penalty for everything, without having to draw the case out or take it to trial. And I was basically broke going in to the whole ordeal. He allowed a payment plan with a minimal deposit, and still behaved as if I had paid for the whole thing upfront. Even postponing my payments when work got slow in the winter, encouraging me to pay off court fines/probation before resuming payments to him. Very professional and helpful. I can not thank him enough for everything.
– Rick
Very Respected Lawyer and Person
I was advised by a friend (another Lawyer) to contact Nick about my situation. Not only was Nick personable, he never made me feel uncomfortable about my situation. Even as bad as I felt about my poor decision. After our first meeting he made me feel at ease and explained every step of the process and how he would be handling the situation. Nick is well educated and up to date in the always changing OVI laws and was able to use a new law that even the Judge was not well versed in. (no disrespect to the Judge, just no one had used this new law/defense in his courtroom) After seeing Nick in the court house, not just the court room. You could see that he is a very well liked and respected Lawyer and person. Since he once was a prosecutor for Hamilton County he has many connections and friendships that have continued even after switching to private practice. I would highly recommend Nick to anyone in my situation because I feel you would get the best representation no matter what your situation may be.
– Derek
Saved My Life.
Best lawyer in the tri-state he is amazing and great in price. He saved my life.
– Teron
Children's Services & Kids

John was awesome in handling our case. Definitelly top notch, and help work through out case to a positive outcome. Good understandable communication and reasonable $$$$. We recommended him to one other person we know and. As expected was awesome.
So Happy I Called Him
I truly appreciate all of the services Nicholas provided throughout my legal process. He was flexible in meeting with me around the ever-busy holidays. He was upfront and extremely knowledgeable in providing me with realistic expectations throughout the entire process. He is very personable, and easy to go to for any help or questions. I highly recommend his services.



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