Cooper v. Atrium Medical Corporation

Court

District Court, D. New Hampshire (D.N.H.)
Official Court Website →

Assigned judge

Landya B. McCafferty · 1,850 cases in index

Docket number

1:23-cv-00478

Cause

28:1332 Diversity-Personal Injury
28 U.S.C. § 1332 — Diversity jurisdiction

Nature of suit

367 Personal Injury: Health Care/Pharmaceutical Personal Injury Product Liability
Injury from a drug, medical device, or health-care product — often grouped into mass-tort litigation.

Jurisdiction

Diversity

Jury demand

Plaintiff

Date filed

10/23/2023

Date terminated

11/20/2025

3,091 Product Liability cases in this court are indexed here.

Parties

• plaintiff · Cooper · 4340 cases
• defendant · Atrium Medical Corporation · 2336 cases

Part of a Larger Litigation Pattern

This is one of 2,337 Product Liability cases in our index naming Atrium Medical Corporation — a possible mass-tort or coordinated-litigation cluster.

• Horn v. Atrium Medical Corporation
  District Court, D. South CarolinaFiled 12/12/2025
• Harlow v. Atrium Medical Corporation
  District Court, D. New HampshireFiled 07/01/2024
• Dyson v. Atrium Medical Corporation
  District Court, D. New HampshireFiled 03/29/2024
• Dailey v. Atrium Medical Corporation
  District Court, D. New HampshireFiled 01/04/2024
• Pina v. Atrium Medical Corporation
  District Court, D. New HampshireFiled 09/13/2023
• Leary v. Atrium Medical Corporation
  District Court, D. New HampshireFiled 09/08/2023

About Product Liability Lawsuits

Product liability lawsuits claim that a defective or dangerous product caused injury or harm. These often target manufacturers of drugs, medical devices, vehicles, or consumer goods, and are frequently grouped into mass-tort or multidistrict litigation when many people are affected by the same product.

Frequently Asked Questions

What is Cooper v. Atrium Medical Corporation?

Cooper v. Atrium Medical Corporation is a federal product liability lawsuit filed on 10/23/2023 in the District Court, D. New Hampshire. The case was terminated on 11/20/2025. Product liability lawsuits claim that a defective or dangerous product caused injury or harm. These often target manufacturers of drugs, medical devices, vehicles, or consumer goods, and are frequently grouped into mass-tort or multidistrict litigation when many people are affected by the same product.

What type of case is this?

It is classified as “Product Liability” under the federal nature-of-suit system. Product liability lawsuits claim that a defective or dangerous product caused injury or harm. These often target manufacturers of drugs, medical devices, vehicles, or consumer goods, and are frequently grouped into mass-tort or multidistrict litigation when many people are affected by the same product.

What court is the case in?

The case is in the District Court, D. New Hampshire, docket number 1:23-cv-00478.

When was the case filed?

Cooper v. Atrium Medical Corporation was filed on 10/23/2023. It was terminated on 11/20/2025.

What law is the case brought under?

The docket lists the cause as 28 U.S.C. § 1332 — Diversity jurisdiction.