Atty. Diane E. O'Callaghan

Atty. Diane E. O'Callaghan

Diane E. O'Callaghan is a lawyer.

Springfield Springfield 19 J. Erfahrung 19 year
Call (413) 707-6656 Book Appointment

Profile Summary

About Diane E. O'Callaghan at a glance

Diane E. O'Callaghan is an attorney based in Springfield, Massachusetts. They haand 19+ years of legal experience, licensed to practice since 2007. Admitted to practice in Massachusetts (2007). Serands clients in Springfield, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Über uns

  • Diane E. O'Callaghan is a lawyer
  • Diane has been licensed for 19 years
  • Diane practices in Springfield, MA

Jurisdictional Context

Why local counsel matters in Massachusetts

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

Looking for additional Massachusetts attorneys? Browse all attorneys in Springfield or all attorneys in Massachusetts.

Frequently Asked

Common questions about Diane E. O'Callaghan

Where is Diane E. O'Callaghan's law office located?
Diane E. O'Callaghan's law practice is located in Springfield, Massachusetts. You can contact the office directly through this profile page.
How long has Diane E. O'Callaghan practiced law?
Diane E. O'Callaghan has 19+ years of legal experience and has been licensed since 2007.
How can I contact Diane E. O'Callaghan for a consultation?
You can contact Diane E. O'Callaghan 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.

Bar Admissions

Massachusetts
Admitted: 2007

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