Atty. John Marshall
John Marshall is a lawyer practicing litigation/defense, litigation/plaintiff, mediation and 4 other areas of law. John has been licensed for 44 years.
Litigation Defense & More Attorney · Serving Rockville, MD · 44+ Years Experience
Profile Summary
About John Marshall at a Glance
John Marshall is a Member based in Rockville, Maryland, practicing at Mulhern, Patterson and Marshall, LLP. They have 44+ years of legal experience, licensed to practice since 1982. Their practice focuses on personal injury, criminal defense, business, poa, and litigation. Admitted to practice in Maryland (1982) and District of Columbia (1983). Educated at American University J.D. (—). Recognitions include AV Preeminent. Serves clients in Rockville, MD and the surrounding metropolitan area.
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About John Marshall
- John Marshall is a lawyer practicing litigation/defense, litigation/plaintiff, mediation and 4 other areas of law
- John has been licensed for 44 years
- John practices at Mulhern, Patterson and Marshall, LLP in Rockville, MD
Practice Areas Explained
John Marshall's Areas of Legal Practice
Each practice area below reflects the types of cases John Marshall handles, with a practical overview of what that area of law involves and how it may apply to your situation in Rockville.
Personal Injury in Rockville
Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.
John Marshall is one of 262,557 personal injury attorneys indexed nationally. Browse personal injury attorneys in Maryland →
Criminal Defense in Rockville
A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.
John Marshall is one of 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Maryland →
Business & Corporate Law in Rockville
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
John Marshall is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Maryland →
Power of Attorney in Rockville
John Marshall is one of 32,920 poa attorneys indexed nationally. Browse poa attorneys in Maryland →
Civil Litigation in Rockville
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
John Marshall is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in Maryland →
Jurisdictional Context
Why Local Counsel Matters in Rockville
Practicing law in Maryland. Legal matters in Maryland are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Rockville are typically filed in the local municipal court or the appropriate Maryland state district court, depending on subject matter and amount in controversy. An attorney licensed in Maryland 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 Maryland courts without local counsel or pro hac vice admission.
Rockville Courts and Legal Process
Choosing a Rockville-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 Maryland attorneys? Browse all attorneys in Rockville or all attorneys in Maryland.
Frequently Asked
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Professional Profile
Why Clients in Rockville Choose John Marshall
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 Marshall's practice in the field of personal injury, criminal defense, business, poa, and litigation.
Decade-Tested Legal Experience
John Marshall brings 44+ 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 Maryland and District of Columbia, John Marshall can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering personal injury, criminal defense, and business, John Marshall can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Rockville
A Rockville-based practice means John Marshall 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 John Marshall Handles in Rockville
Below is a representative sample of the types of matters John Marshall has experience with under Maryland 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 John Marshall directly to discuss the specifics of your situation.
Search Reference
How People Find John Marshall Online
Prospective clients searching for legal help in Rockville commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like John Marshall.
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John Marshall's Practice Areas & Specializations
Education & Law School Background
Awards & Professional Honors
Bar Admissions & Licensed Jurisdictions
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