Atty. Mariam A. Decker
Mariam A. Decker is a lawyer practicing medical malpractice, insurance defense, administrative hearings and appeals and 5 other areas of law.
Administrative Hearings and Appeals & More Attorney · Serving Columbia, MO · 36+ Years Experience
Profile Summary
About Mariam A. Decker at a Glance
Mariam A. Decker is a Member based in Columbia, Missouri, practicing at Oliver Walker Wilson LLC. They have 36+ years of legal experience, licensed to practice since 1990. Their practice focuses on medical malpractice, family law, business, ip, and litigation. Admitted to practice in Missouri U.S. District Court, Eastern District of Missouri U.S. District Court, Western District of (1990). Educated at University of Missouri-Columbia (J.D., 1990) and University of Missouri-Columbia (B.S.N., 1977). Recognitions include AV Preeminent. Active member of Boone County Bar Association The Missouri Bar American Board of Trial Advocates Missouri Organization of Defense Lawyers Defense Research Institute Missouri Association of Hospital Attorneys. Serves clients in Columbia, MO and the surrounding metropolitan area.
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About Mariam A. Decker
- Mariam A. Decker is a lawyer practicing medical malpractice, insurance defense, administrative hearings and appeals and 5 other areas of law
- Mariam received a B.S.N. degree from University of Missouri-Columbia in 1977, and has been licensed for 36 years
- Mariam practices at Oliver Walker Wilson LLC in Columbia, MO
Practice Areas Explained
Mariam A. Decker's Areas of Legal Practice
Each practice area below reflects the types of cases Mariam A. Decker handles, with a practical overview of what that area of law involves and how it may apply to your situation in Columbia.
Medical Malpractice in Columbia
Medical malpractice lawyers represent patients harmed by negligent doctors, hospitals, and other providers. Free case review, no fee unless you win.
Mariam A. Decker is one of 48,593 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in Missouri →
Family Law in Columbia
Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.
Mariam A. Decker is one of 185,688 family law attorneys indexed nationally. Browse family law attorneys in Missouri →
Business & Corporate Law in Columbia
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Mariam A. Decker is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Missouri →
Intellectual Property in Columbia
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Mariam A. Decker is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Missouri →
Civil Litigation in Columbia
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Mariam A. Decker is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in Missouri →
Jurisdictional Context
Why Local Counsel Matters in Columbia
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 Columbia 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.
Columbia Courts and Legal Process
Choosing a Columbia-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 Columbia or all attorneys in Missouri.
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Professional Profile
Why Clients in Columbia Choose Mariam A. Decker
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 Mariam A. Decker's practice in the field of medical malpractice, family law, business, ip, and litigation.
Decade-Tested Legal Experience
Mariam A. Decker brings 36+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering medical malpractice, family law, and business, Mariam A. Decker can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Columbia
A Columbia-based practice means Mariam A. Decker attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues Mariam A. Decker Handles in Columbia
Below is a representative sample of the types of matters Mariam A. Decker has experience with under Missouri law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact Mariam A. Decker directly to discuss the specifics of your situation.
Search Reference
How People Find Mariam A. Decker Online
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Mariam A. Decker's Practice Areas & Specializations
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