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PRO
also known as James Tanner Duncan
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J. Tanner Duncan is a Cincinnati-born criminal defense attorney who takes the fight head-on—and doesn’t back down. Practicing in both Ohio and Kentucky, he handles everything from life-altering felony charges to misdemeanors and traffic offenses, bringing the same aggressive, results-driven approach to every case.
From investigation through trial, Tanner is strategic, relentless, and built for high-stakes defense. He has handled cases involving murder, shootings, sex crimes, DUI/OVIs, domestic violence, and more—where the consequences can follow a client for life. He prepares every case for trial, challenges every piece of evidence, and forces the prosecution to prove its case.
Tanner thrives in the courtroom while others avoid it. He makes sure clients understand exactly what’s at risk—whether it’s jail time, permanent records, registration requirements, license suspensions, or firearm restrictions—and builds a defense designed to protect their future.
Licensed in both Ohio and Kentucky, Tanner is uniquely positioned to handle cases with cross-state consequences, including probation, parole, and license issues. His approach is simple: take control early, apply pressure, and fight relentlessly to win.
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Practice Areas
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State: Kentucky
Acquired: 2021
No misconduct found
State: Ohio
Acquired: 2019
No misconduct found
12 E. Warren Street, Lebanon, OH, 45036
3734 Eastern Avenue, Cincinnati, OH, 45226
121 West High Street, Oxford, OH, 45056
9078 Union Centre Blvd. Suite 350, West Chester, OH, 45069
401 Scott St., Covington, KY, 41011
4555 Lake Forest Drive Suite 650, Cincinnati, OH, 45242
3805 Edwards Road Suite 550, Cincinnati, OH, 45209
104 Client Reviews
Showing 71 - 75 of 104 reviews
Posted by anonymous | July 28, 2023 | Hired Attorney | Criminal Defense
I'm so Thankful for Tanner!
After receiving a letter from Law Enforcement I quickly went on the internet to find a criminal lawyer. SUHRE & Associates appeared in the search and their advertising drew me in to place a call. The firm referred me to Tanner Duncan. I am so thankful for Tanner and his confidence, professional...
Posted by Robin | July 24, 2023 | Hired Attorney
Tanner Duncan of Suhre and Associates
I recently had the pleasure of working with Tanner Duncan of Suhre and Associates. He was very knowledgeable, competent, diligent and caring. I highly recommend Mr. Duncan for your legal needs.
Posted by DLasonia | July 20, 2023 | Hired Attorney | Lawsuits & Disputes
Excellent Attorney
Tanner is an excellent attorney! He handled my case very well, efficiently and with the utmost care and attention. He kept me informed throughout the entire process and was excellent to work with. He was patient in answering all of my questions and concerns and was very diligent and focused throu...
Posted by Geoff | June 07, 2023 | Hired Attorney
He did a great job!
He kept me apprised of each phase of my case in an expeditious manner. I would definitely recommend him to anyone looking for an excellent attorney.
Posted by anonymous | June 04, 2023 | Hired Attorney
5 STARS
I am very pleased with this firm! Communication was great and never had a problem getting ahold of my lawyer Tanner. Tanner was a great help and I would recommend him or anyone in their firm for any legal help!
"I endorse this lawyer. Tanner is smart, talented, hard-working, and kind. I appreciate his vigorous representation of his clients."
"Tanner is a fantastic criminal defense attorney. He is hardworking and dedicated to getting his clients the best outcome. He is well known in most courts in the Greater Cincinnati area and that reputation carries over to his interactions with judges and prosecutors. Would highly recommend."
"Tanner is a bright, motivated, and aggressive lawyer. He cares deeply about his clients and works tirelessly to get the best result possible. I endorse Tanner without reservation."
"Not only does Tanner have the intelligence and experience to aggressively represent his clients at the highest level, he genuinely cares about his clients and the outcome they receive. I would stand next to Mr. Duncan in any type of criminal matter with confidence."
Criminal defense lawyer
2019
Cum Laude, Northern Kentucky University - Salmon P. Chase College of Law
2019
Dean's List, Northern Kentucky University - Salmon P. Chase College of Law
2019
Order of the Barristers, Northern Kentucky University - Salmon P. Chase College of Law
2019
Law Review - Associate Editor, Northern Kentucky University - Salmon P. Chase College of Law
2018
Dean's List, Northern Kentucky University - Salmon P. Chase College of Law
2018
Law Review - Associate Editor, Northern Kentucky University - Salmon P. Chase College of Law
2017
Dean's List, Northern Kentucky University - Salmon P. Chase College of Law
2016
Dean's List, Northern Kentucky University - Salmon P. Chase College of Law
2025 - Present
Trial Attorney, Rittgers & Rittgers
2021 - 2025
Trial Attorney, Suhre & Associates, LLC
2019
JD - Juris Doctor
2014
BS - Bachelor of Science (History)
2024
2024
Criminal Defense Practice
English