Atty. John P. Mathis
John P. Mathis is a lawyer practicing federal energy regulation, energy transactional matters, energy litigation and 1 other area of law.
Energy Litigation & More Attorney · Serving Washington, DC · 56+ Years Experience
Profile Summary
About John P. Mathis at a Glance
John P. Mathis is an Edison Mission Energy based in Washington, District of Columbia. They have 56+ years of legal experience, licensed to practice since 1970. Their practice focuses on litigation and energy. Admitted to practice in California (1970) and District of Columbia (1975). Educated at Harvard Law School (J.D., 1969) and Southern Methodist University (B.A., 1966). Recognitions include AV Preeminent. Serves clients in Washington, DC and the surrounding metropolitan area.
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About John P. Mathis
- John P. Mathis is a lawyer practicing federal energy regulation, energy transactional matters, energy litigation and 1 other area of law
- John P. received a B.A. degree from Southern Methodist University in 1966, and has been licensed for 56 years
- John P. practices in Washington, DC
Practice Areas Explained
John P. Mathis's Areas of Legal Practice
Each practice area below reflects the types of cases John P. Mathis handles, with a practical overview of what that area of law involves and how it may apply to your situation in Washington.
Civil Litigation in Washington
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
John P. Mathis is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →
Energy & Utilities Law in Washington
Energy attorneys for oil & gas, renewables, utility regulation, and energy sector transactions.
John P. Mathis is one of 35,985 energy attorneys indexed nationally. Browse energy attorneys in District of Columbia →
Jurisdictional Context
Why Local Counsel Matters in Washington
Practicing law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia 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 District of Columbia courts without local counsel or pro hac vice admission.
Washington Courts and Legal Process
Choosing a Washington-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 District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.
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Professional Profile
Why Clients in Washington Choose John P. Mathis
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 P. Mathis's practice in the field of litigation and energy.
Decade-Tested Legal Experience
John P. Mathis brings 56+ 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 California and District of Columbia, John P. Mathis can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering litigation and energy, John P. Mathis can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Washington
A Washington-based practice means John P. Mathis 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 P. Mathis Online
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John P. Mathis's Practice Areas & Specializations
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