About James Tanner Duncan

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 intensity to every case.

From the moment a client is under investigation through trial, Tanner is aggressive, strategic, and focused on winning. He has defended cases involving murder, shootings, sex crimes, DUI/OVIs, domestic violence, and more—cases where the stakes couldn’t be higher and the margin for error is zero.

While others avoid the courtroom, Tanner thrives in it. He prepares every case for trial, applies pressure where it counts, and forces the prosecution to prove every element. He also makes sure clients understand exactly what’s on the line—whether it’s jail time, lifelong registration requirements, permanent records, license suspensions, or firearm restrictions.

Licensed in both Ohio and Kentucky, Tanner is uniquely positioned to handle cases that cross state lines, including complex issues involving probation, parole, and multi-state consequences. His approach is simple: take control early, fight relentlessly, and protect his clients’ future at all costs.

 

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Services

Areas of Law

  • Personal Injury 9
    • Automobile Accidents
    • Motorcycle Accidents
    • Trucking Accidents
    • Pedestrian Accidents
    • Slip and Fall
    • Dog Bites
    • Traumatic Brain Injury
    • Amputation Accidents
    • Wrongful Death
  • Criminal Law 9
    • Criminal Defense
    • Burglary
    • Drug Crimes
    • Expungements
    • Federal Criminal Law
    • Homicide
    • Juvenile Law
    • DUI/DWI
    • Sex Crimes
  • Health Care 1
    • Nursing Home Litigation
  • Medical Malpractice
  • Construction Law 1
    • Construction Accidents
  • Premises Liability
  • Head and Spinal Injuries
  • Assault
  • Appellate Practice 1
    • Criminal Appeals
  • Family Law 1
    • Domestic Violence
  • White Collar Crime 1
    • Embezzlement
  • Weapons Charges 1
    • Gun Charges
  • Other 2
    • Back Injuries
    • OVI

Practice Details

  • Payment Information
    Payment & Cost Features
    Fixed hourly rates
    Fixed fees available
    Accepted Credit Cards
    American Express
    Discover
    MasterCard
    Other
    Visa
  • Video Calls
    Offers Video Calls
  • Firm Information
    Position
    Attorney
    Firm Name
    Rittgers Rittgers & Nakajima

Experience

  • Bar Admission & Memberships
    Admissions
    2021, Kentucky
    2019, Ohio
  • Education & Certifications
    Law School
    Northern Kentucky University, Salmon P. Chase College of Law
    J.D.
    cum laude
    Other Education
    University of Cincinnati
    B.A.
    cum laude

Contact James Tanner Duncan

Attorney at Rittgers Rittgers & Nakajima
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12 East Warren StreetLebanon, OH 45036U.S.A.

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3734 Eastern AvenueCincinnati, OH 45226U.S.A.

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9078 Union Centre Blvd., Suite 350West Chester, OH 45069U.S.A.

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121 West High StreetOxford, OH 45056U.S.A.

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401 Scott StreetCovington, KY 41011U.S.A.

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Other Office Locations

Cincinnati, OH

3734 Eastern AvenueCincinnati, OH 45226U.S.A.

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West Chester, OH

9078 Union Centre Blvd., Suite 350West Chester, OH 45069U.S.A.

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Oxford, OH

121 West High StreetOxford, OH 45056U.S.A.

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Covington, KY

401 Scott StreetCovington, KY 41011U.S.A.

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Attorneys FAQs

  • Is this attorney admitted to the bar in more than one state?
    Yes, James Tanner Duncan is admitted to practice in Kentucky and Ohio.
  • Does this attorney offer any legal services for a flat fee?
    Yes, James Tanner Duncan offers fixed fees for certain legal services.
  • Does this attorney accept major credit cards?
    Yes, James Tanner Duncan will accept American Express, Discover, MasterCard and Visa.
  • How many attorneys are in this law firm?
    Rittgers Rittgers & Nakajima has 5 attorneys at this location.
  • What law school did this attorney attend?
    James Tanner Duncan attended Northern Kentucky University, Salmon P. Chase College of Law.