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Atty. John B. Koss

Atty. John B. Koss

John B. Koss is a lawyer practicing life sciences / biotechnology, antitrust / trade law, complex tort & product-related litigation and 4 other areas of law.

Boston Boston 21 yrs experience 21 year
Call (857) 416-9478 Book Appointment

Profile Summary

About John B. Koss at a glance

John B. Koss is a Contract Attorney based in Boston, Massachusetts, practforg at Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.. They haand 21+ years of legal experience, licensed to practice since 2005. Admitted to practice in Massachusetts (2005) and New York First Circuit Court of Appeals United States District Court for the District of Massachuset (2006). Educated at Boston University J.D. (—) and Northwestern University B.A. Journalism Northwestern University M.S. Journalism (—). Actiand member of Professional & Community Involvement: •Member, Fenway Health Board of Directors •Member, Steering Committee of the Young Leaders Council, Fenway Health •Member, Boston Area Rape Crisis Center (BARCC) Board of Directors. Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John B. Koss is a lawyer practicing life sciences / biotechnology, antitrust / trade law, complex tort & product-related litigation and 4 other areas of law
  • John received a B.A. degree from Northwestern University, and has been licensed for 21 years
  • John practices at Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. in Boston, 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 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 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 Boston or all attorneys in Massachusetts.

Frequently Asked

Common questions about John B. Koss

Where is John B. Koss's law office located?
John B. Koss's law practice is located in Boston, Massachusetts. The firm is Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.. You can contact the office directly through this profile page.
How long has John B. Koss practiced law?
John B. Koss has 21+ years of legal experience and has been licensed since 2005.
Where did John B. Koss go to law school?
John B. Koss earned their education at (—); (—).
How can I contact John B. Koss for a consultation?
You can contact John B. Koss 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

Boston University J.D.
- In Progress
Northwestern University B.A. Journalism Northwestern University M.S. Journalism
- In Progress

Bar Admissions

Massachusetts
Admitted: 2005
New York First Circuit Court of Appeals United States District Court for the District of Massachuset
Admitted: 2006

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