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Robert Dean Tiefenthaler

Criminal defense Attorney at Sioux City, IA

Not yet reviewed

also known as Robert Tiefenthaler, Bob Tiefenthaler

  • State Years
    South Dakota - SD 28 years
    Iowa - IA 29 years
    Nebraska - NE 27 years
  • Licensed for 28 years
    State SD
    Acquired 1995
    Active No misconduct found
  • Licensed for 29 years
    State IA
    Acquired 1994
    Active No misconduct found
  • Licensed for 27 years
    State NE
    Acquired 1996
    Inactive No misconduct found

We have not found any instances of professional misconduct for this lawyer.

About Robert

Learn Robert’s areas of practice.

Practice areas
  1. Criminal defense
    OWI/DUI; Drug Cases; Felonies and Misdemeanors; Licensed in All State and Federal Courts in IA, NE, and SD

    29 years

  2. Personal injury
    Wrongful Death; Car and Truck Collisions; Motorcycle Collisions; Slip and Fall; Medical Malpractice

    29 years

  3. Workers compensation
    Work Injuries of All Types in Iowa

    29 years

Bob is a trial lawyer who practices in all state and federal courts in Iowa, Nebraska, and South Dakota.  He guarantees zealous, yet fair and compassionate representation.  He has protected the rights of individuals and families for two decades, whether it involves personal injury, workers' compensation, or criminal defense.  

When you walk into our law office, you will be greeted with a smile and put at ease.  Your rights will be fully explained - and not in legalese.  Bob will never charge you a fee just to answer your initial questions.

Contact Robert

Similar lawyers nearby

Tiefenthaler Law Office, P.C.
501 Pierce St Ste 210
Sioux City, IA, 51101-1229


Not yet reviewed. Review Robert


  • Hourly Rates $ 300-300 per hour
  • Contingency 33%-40%
Payment methods
Cash, Check


AVVO RATING 8.0 (Excellent)

Work Experience

  • President
  • Tiefenthaler Law Office, P.C.
  • 1999 - Present


  • University of South Dakota School of Law
  • JD - Juris Doctor
  • 1994
  • University of South Dakota
  • BS - Bachelor of Science
  • 1991


  • Iowa Association for Justice
  • Board Member
  • 2017 - Present
  • Iowa Association for Justice
  • Criminal Law Core Group
  • 2003 - Present
  • American Association for Justice
  • Member
  • 1995 - Present
  • National College of DUI Defense
  • Member
  • N/A
  • South Dakota Association of Criminal Defense Lawyers
  • Member
  • N/A
  • National Association of Criminal Defense Lawyers
  • Member
  • N/A
  • Iowa State Bar Association
  • N/A
  • Nebraska State Bar Association
  • N/A
  • South Dakota State Bar
  • N/A
  • Woodbury County Bar Association
  • N/A
View all associations

Languages Spoken

  • English

Honors and Awards

  • 2011 Criminal Justice Act Lawyer of the Year
  • Judges of the Northern District of Iowa
  • 2011

Attorney endorsements

Received (2)
Given (1)
Endorse Robert
Criminal defense Attorney | Apr 16
Relationship: Fellow lawyer in community
"I have the pleasure to serve with Bob on the criminal core group for the Iowa Association for Justice. Bob is extremely knowledgeable in the area of criminal defense. He is at the top of my list for referrals in western Iowa, eastern Nebraska and southeast South Dakota."
Unknown Attorney | Oct 29
Relationship: Fellow lawyer in community
"I endorse this lawyer."
Personal injury

Avvo Contributions

This attorney hasn't created any legal answers in Q&A or legal guides recently on Avvo.

Sioux City Criminal defense Lawyer Robert Dean Tiefenthaler
Robert Dean Tiefenthaler
Criminal defense Attorney
Sioux City, IA
Licensed for 29 years