Atty. Jason A. Kosow

Atty. Jason A. Kosow

Jason A. Kosow is a lawyer.

Boston Boston 26 yrs experience 26 year
Call (857) 810-7331 Book Appointment

Profile Summary

About Jason A. Kosow at a glance

Jason A. Kosow is an Associate based in Boston, Massachusetts, practicing at DiMento & Sullivan. They have 26+ years of legal experience, licensed to practice since 2000. Admitted to practice in Massachusetts (2000) and U.S. District Court, District of Massachusetts and U.S. Court of Appeals, First Circuit (2001). Educated at New England School of Law (J.D., 1999) and Brandeis University (B.A., 1996). Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Jason A. Kosow is a lawyer
  • Jason received a B.A. degree from Brandeis University in 1996, and has been licensed for 26 years
  • Jason practices at DiMento & Sullivan in Boston, MA

Jurisdictional Context

Why local counsel matters in Massachusetts

Practicing law in Massachusetts. Legal matters in Massachusetts are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Boston 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 substantive 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 Boston or all attorneys in Massachusetts.

Frequently Asked

Common questions about Jason A. Kosow

Where is Jason A. Kosow's law office located?
Jason A. Kosow's law practice is located in Boston, Massachusetts. The firm is DiMento & Sullivan. You can contact the office directly through this profile page.
How long has Jason A. Kosow practiced law?
Jason A. Kosow has 26+ years of legal experience and has been licensed since 2000.
Where did Jason A. Kosow go to law school?
Jason A. Kosow earned their education at (J.D., 1999); (B.A., 1996).
How can I contact Jason A. Kosow for a consultation?
You can contact Jason A. Kosow 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.
New England School of Law
- 1999
B.A.
Brandeis University
- 1996

Bar Admissions

Massachusetts
Admitted: 2000
U.S. District Court, District of Massachusetts and U.S. Court of Appeals, First Circuit
Admitted: 2001

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