Atty. John Mattioni

Atty. John Mattioni

John Mattioni is a lawyer practicing admiralty and maritime law, business, civil litigation and 4 other areas of law. John received a B.S. degree from United States Merchant Marine Academy in 1957, and has been licensed for 60 years.

Philadelphia Philadelphia 60 yrs experience 60 year
Call (844) 503-9803 Book Appointment

Profile Summary

About John Mattioni at a glance

John Mattioni is a Shareholder based in Philadelphia, Pennsylvania, practicing at Mattioni, Ltd.. They have 60+ years of legal experience, licensed to practice since 1966. Their practice focuses on business, real estate, litigation, environmental, and government. Admitted to practice in Pennsylvania United States District Court for the District of Columbia United States District Court (1966). Educated at Temple University School of Law (J.D. Barenkopf, 1964) and United States Merchant Marine Academy (B.S., 1957). Recognitions include AV Preeminent. Active member of Montgomery County, Philadelphia, Pennsylvania and New Jersey State and American Bar Associations Justinian Society Maritime Law Association of the United States Ports of Philadelphia Maritime Society The Lawyers Club of Philadelphia. Serands clients in Philadelphia, PA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Mattioni is a lawyer practicing admiralty and maritime law, business, civil litigation and 4 other areas of law
  • John received a B.S. degree from United States Merchant Marine Academy in 1957, and has been licensed for 60 years
  • John practices at Mattioni, Ltd. in Philadelphia, PA and 1 other location

Practice Areas Explained

John Mattioni's Areas of Practice

Each practice area below reflects the types of cases John Mattioni handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

John Mattioni is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Pennsylvania →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

John Mattioni is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Pennsylvania →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

John Mattioni is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Pennsylvania →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

John Mattioni is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Pennsylvania →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

John Mattioni is one of 132,225 government attorneys indexed nationally. Browse government attorneys in Pennsylvania →

Jurisdictional Context

Why local counsel matters in Pennsylvania

Practicing law in Pennsylvania. Legal matters in Pennsylvania are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Philadelphia are typically filed in the local municipal court or the appropriate Pennsylvania state district court, depending on subject matter and amount in controversy. An attorney licensed in Pennsylvania brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Pennsylvania courts without local counsel or pro hac vice admission.

Looking for additional Pennsylvania attorneys? Browse all attorneys in Philadelphia or all attorneys in Pennsylvania.

Frequently Asked

Common questions about John Mattioni

Where is John Mattioni's law office located?
John Mattioni's law practice is located in Philadelphia, Pennsylvania. The firm is Mattioni, Ltd.. You can contact the office directly through this profile page.
What practice areas does John Mattioni handle?
John Mattioni focuses on business, real estate, litigation, environmental, government. Each practice area listed reflects experience handling cases of that type in Pennsylvania.
How long has John Mattioni practiced law?
John Mattioni has 60+ years of legal experience and has been licensed since 1966.
Where did John Mattioni go to law school?
John Mattioni earned their education at (J.D. Barenkopf, 1964); (B.S., 1957).
How can I contact John Mattioni for a consultation?
You can contact John Mattioni directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has John Mattioni received?
John Mattioni's notable recognition includes: AV Preeminent.

Education

J.D. Barenkopf
Temple University School of Law
- 1964
B.S.
United States Merchant Marine Academy
- 1957

Awards

AV Preeminent

Bar Admissions

Pennsylvania United States District Court for the District of Columbia United States District Court
Admitted: 1966

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