Atty. John Peter D D'Ambrosio

Atty. John Peter D D'Ambrosio

John Peter D D'Ambrosio is a lawyer practicing commercial litigation, white collar criminal defense, appellate practice. John Peter D received a A.B. degree from College of the Holy Cross in 2006, and has been licensed for 17 years.

Hartford Hartford 17 yrs experience 17 year
Call (860) 969-4273 Book Appointment

Profile Summary

About John Peter D D'Ambrosio at a glance

John Peter D D'Ambrosio is an Associate based in Hartford, Connecticut, practicing at Cowdery, Ecker & Murphy, L.L.C.. They have 17+ years of legal experience, licensed to practice since 2009. Their practice focuses on criminal defense, business, white collar, litigation, and appellate. Admitted to practice in Connecticut (2009) and New York (2010). Educated at St. John's University School of Law (J.D., 2009) and College of the Holy Cross (A.B., 2006). Active member of American Bar Association. Serands clients in Hartford, CT and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Peter D D'Ambrosio is a lawyer practicing commercial litigation, white collar criminal defense, appellate practice
  • John Peter D received a A.B. degree from College of the Holy Cross in 2006, and has been licensed for 17 years
  • John Peter D practices at Cowdery, Ecker & Murphy, L.L.C. in Hartford, CT

Practice Areas Explained

John Peter D D'Ambrosio's Areas of Practice

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

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

John Peter D D'Ambrosio is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Connecticut →

Business & Corporate Law

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

John Peter D D'Ambrosio is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Connecticut →

White Collar Crimes

John Peter D D'Ambrosio is one of 20,025 white collar attorneys indexed nationally. Browse white collar attorneys in Connecticut →

Civil Litigation

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

John Peter D D'Ambrosio is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Connecticut →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

John Peter D D'Ambrosio is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in Connecticut →

Jurisdictional Context

Why local counsel matters in Connecticut

Practicing law in Connecticut. Legal matters in Connecticut are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Hartford are typically filed in the local municipal court or the appropriate Connecticut state district court, depending on subject matter and amount in controversy. An attorney licensed in Connecticut 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 Connecticut courts without local counsel or pro hac vice admission.

Looking for additional Connecticut attorneys? Browse all attorneys in Hartford or all attorneys in Connecticut.

Frequently Asked

Common questions about John Peter D D'Ambrosio

Where is John Peter D D'Ambrosio's law office located?
John Peter D D'Ambrosio's law practice is located in Hartford, Connecticut. The firm is Cowdery, Ecker & Murphy, L.L.C.. You can contact the office directly through this profile page.
What practice areas does John Peter D D'Ambrosio handle?
John Peter D D'Ambrosio focuses on criminal defense, business, white collar, litigation, appellate. Each practice area listed reflects experience handling cases of that type in Connecticut.
How long has John Peter D D'Ambrosio practiced law?
John Peter D D'Ambrosio has 17+ years of legal experience and has been licensed since 2009.
Where did John Peter D D'Ambrosio go to law school?
John Peter D D'Ambrosio earned their education at (J.D., 2009); (A.B., 2006).
How can I contact John Peter D D'Ambrosio for a consultation?
You can contact John Peter D D'Ambrosio 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.

Education

J.D.
St. John's University School of Law
- 2009
A.B.
College of the Holy Cross
- 2006

Bar Admissions

Connecticut
Admitted: 2009
New York
Admitted: 2010

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