Atty. John William Simon
John William Simon is a lawyer practicing constitutional law, appellate practice, criminal law. John received a A.B. degree from Boston University in 1971, and has been licensed for 41 years.
Appellate Practice & More Attorney · Serving Clayton, MO · 41+ Years Experience
Profile Summary
About John William Simon at a Glance
John William Simon is a criminal defense, civil rights, and appellate attorney based in Clayton, Missouri. They have 41+ years of legal experience, licensed to practice since 1985. Admitted to practice in Missouri (1985), U.S. District Court, Western District of Missouri (1985), U.S. Court of Appeals, Eighth Circuit (1986), and U.S. Supreme Court (1991). Educated at Yale Law School (J.D., 1984) and Boston University (A.B., 1971). Recognitions include AV Preeminent. Serves clients in Clayton, MO and the surrounding metropolitan area.
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About John William Simon
- John William Simon is a lawyer practicing constitutional law, appellate practice, criminal law
- John received a A.B. degree from Boston University in 1971, and has been licensed for 41 years
- John practices in Clayton, MO
Practice Areas Explained
John William Simon's Areas of Legal Practice
Each practice area below reflects the types of cases John William Simon handles, with a practical overview of what that area of law involves and how it may apply to your situation in Clayton.
Criminal Defense in Clayton
A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.
John William Simon is one of 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Missouri →
Civil Rights in Clayton
Civil rights attorneys for discrimination, police misconduct, constitutional rights, and civil liberties cases.
John William Simon is one of 69,634 civil rights attorneys indexed nationally. Browse civil rights attorneys in Missouri →
Appellate Practice in Clayton
Appellate attorneys for civil and criminal appeals at state and federal court.
John William Simon is one of 85,572 appellate attorneys indexed nationally. Browse appellate attorneys in Missouri →
Jurisdictional Context
Why Local Counsel Matters in Clayton
Practicing law in Missouri. Legal matters in Missouri are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Clayton are typically filed in the local municipal court or the appropriate Missouri state district court, depending on subject matter and amount in controversy. An attorney licensed in Missouri brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Missouri courts without local counsel or pro hac vice admission.
Clayton Courts and Legal Process
Choosing a Clayton-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Missouri attorneys? Browse all attorneys in Clayton or all attorneys in Missouri.
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Professional Profile
Why Clients in Clayton Choose John William Simon
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish John William Simon's practice in the field of criminal defense, civil rights, and appellate.
Decade-Tested Legal Experience
John William Simon brings 41+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in Missouri, U.S. District Court, Western District of Missouri, and U.S. Court of Appeals, Eighth Circuit, John William Simon can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering criminal defense, civil rights, and appellate, John William Simon can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Clayton
A Clayton-based practice means John William Simon attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
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How People Find John William Simon Online
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John William Simon's Practice Areas & Specializations
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Bar Admissions & Licensed Jurisdictions
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