Arbitration/Alternative Dispute Resolution & More Attorney · Serving Casper, WY · 40+ Years Experience
Profile Summary
About John A. Masterson at a Glance
John A. Masterson is a litigation, environmental, government, and adr attorney based in Casper, Wyoming. They have 40+ years of legal experience, licensed to practice since 1986. Admitted to practice in Wyoming (1986) and U.S. District Court, District of Wyoming (1986). Educated at University of Wyoming (J.D., 1986) and University of Michigan (B.G.S., 1983). Recognitions include BV Distinguished. Active member of Wyoming State Bar American Bar Association Wyoming Trial Lawyers Association American Judicature Society. Serves clients in Casper, WY and the surrounding metropolitan area.
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About John A. Masterson
- Mr. John A. Masterson is a lawyer practicing arbitration & alternative dispute resolution, litigation, natural resources & energy and 2 other areas of law
- John received a B.G.S. degree from University of Michigan in 1983, and has been licensed for 40 years
- John practices in Casper, WY
Practice Areas Explained
John A. Masterson's Areas of Legal Practice
Each practice area below reflects the types of cases John A. Masterson handles, with a practical overview of what that area of law involves and how it may apply to your situation in Casper.
Civil Litigation in Casper
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
John A. Masterson is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in Wyoming →
Environmental Law in Casper
Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.
John A. Masterson is one of 55,977 environmental attorneys indexed nationally. Browse environmental attorneys in Wyoming →
Government & Administrative Law in Casper
Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.
John A. Masterson is one of 131,162 government attorneys indexed nationally. Browse government attorneys in Wyoming →
Mediation & Arbitration in Casper
Mediators and arbitrators for civil, commercial, family, and employment dispute resolution.
John A. Masterson is one of 73,315 adr attorneys indexed nationally. Browse adr attorneys in Wyoming →
Jurisdictional Context
Why Local Counsel Matters in Casper
Practicing law in Wyoming. Legal matters in Wyoming are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Casper are typically filed in the local municipal court or the appropriate Wyoming state district court, depending on subject matter and amount in controversy. An attorney licensed in Wyoming 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 Wyoming courts without local counsel or pro hac vice admission.
Casper Courts and Legal Process
Choosing a Casper-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 Wyoming attorneys? Browse all attorneys in Casper or all attorneys in Wyoming.
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Professional Profile
Why Clients in Casper Choose John A. Masterson
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 A. Masterson's practice in the field of litigation, environmental, government, and adr.
Decade-Tested Legal Experience
John A. Masterson brings 40+ 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 Wyoming and U.S. District Court, District of Wyoming, John A. Masterson can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering litigation, environmental, and government, John A. Masterson can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Casper
A Casper-based practice means John A. Masterson 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 A. Masterson Online
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John A. Masterson's Practice Areas & Specializations
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