Katherine Anne Dierdorf

Katherine Anne Dierdorf

Dierdorf Law, LLC
  • Criminal Law, Traffic Tickets, Personal Injury ...
  • Illinois, Missouri
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Prior to opening my own law firm, I worked for one of St. Louis' largest firms. While there, I gained valuable experience in the numerous facets of civil law, representing both plaintiffs and defendants in a wide variety of matters. I also served as a prosecuting attorney for the City of St. Louis. As a former prosecutor, I understand the intricacies of criminal law and have the experience necessary to provide effective representation during every phase of your criminal case. Whether your troubles are civil or criminal in nature, I understand the negative impact these experiences can have on your life. I am passionate about providing high quality, zealous, and affordable representation throughout the St. Louis Metropolitan Area - including the Metro East. I care about the well-being of each and every one of my clients.

Practice Areas
    Criminal Law
    Criminal Appeals, Drug Crimes, Expungement, Fraud, Gun Crimes, Internet Crimes, Sex Crimes, Theft, Violent Crimes
    Traffic Tickets
    Suspended License
    Personal Injury
    Animal & Dog Bites, Brain Injury, Car Accidents, Construction Accidents, Motorcycle Accidents, Premises Liability, Truck Accidents, Wrongful Death
    DUI & DWI
    Juvenile Law
    Collaborative Law, Contested Divorce, Military Divorce, Property Division, Same Sex Divorce, Spousal Support & Alimony, Uncontested Divorce
    Products Liability
    Drugs & Medical Devices, Motor Vehicle Defects, Toxic Torts
    Domestic Violence
    Domestic Violence Criminal Defense, Domestic Violence Restraining Orders, Victims Rights , Victims Rights
    Family Law
    Adoption, Child Custody, Child Support, Father's Rights, Guardianship & Conservatorship, Paternity, Prenups & Marital Agreements, Restraining Orders, Same Sex Family Law
    Entertainment & Sports Law
Jurisdictions Admitted to Practice
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  • English: Spoken, Written
Professional Experience
Founder/Solo Practitioner
Dierdorf Law, LLC
- Current
Assistant Circuit Attorney
Circuit Attorney's Office
Served as either lead or sole prosecutor during trials of a broad range of crimes. Used independent judgment, discretion, and initiative to investigate and research the factual basis for cases in preparation for hearings and trials, including, interviewing and advising police officers, witnesses, and victims in regard to prospective and pending criminal charges. Negotiated plea bargains and managed dockets for felony and misdemeanor divisions. Represented the State of Missouri at felony and misdemeanor bond reduction and probation revocation hearings.
Pro Bono Attorney
Washington University in St. Louis - School of Law
Acted as lead counsel representing clients in various litigation matters, both civil and criminal, before the Circuit Court and Family Court of St. Louis County, as well as various municipal courts around the St. Louis area.
Armstrong Teasdale, LLP
A litigator and transactional attorney in the firm’s Financial and Real Estate Services practice group representing lenders and other creditors in loan documentation, litigation proceedings, bankruptcy, and informal workouts. Significant writing experience includes: drafting various loan documents, pleadings, and motions practice, such as, drafting summary judgment motions, motions to compel and for sanctions, and motions to dismiss.
Washington University School of Law
J.D. (2011) | Law
Honors: CALI Excellence for the Future Award in Corporate and White Collar Crime
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University of Michigan - Ann Arbor
B.A. (2008) | History
Activities: University of Michigan Women's Basketball Team
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Professional Associations
The Missouri Bar  # 63782
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State Bar of Illinois  # 6307756
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Websites & Blogs
Dierdorf Law, LLC
Contact & Map
Dierdorf Law, LLC
P.O. Box 16041
Clayton, MO 63124
Telephone: (314) 896-4272
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