Office of the Attorney General State of Florida Department of Legal Affairs v. Institutional Shareholder Services Inc

Court

District Court, N.D. Florida (N.D. Fla.)
Official Court Website →

Assigned judge

Mark E. Walker · 263 cases in index

Docket number

5:26-cv-00026

Cause

15:15 Antitrust Litigation
15 U.S.C. § 15 — Clayton Act (private antitrust suits)

Nature of suit

410 Anti-Trust
Claims of unlawful restraint of trade, monopolization, or anticompetitive conduct under the Sherman and Clayton Acts.

Jurisdiction

Federal Question

Jury demand

None

Date filed

01/27/2026

90 Antitrust cases in this court are indexed here.

Parties

• plaintiff · Office of the Attorney General, State of Florida, Department of Legal Affairs · 6 cases
• defendant · Institutional Shareholder Services Inc · 2 cases

Part of a Larger Litigation Pattern

This is one of 3 Antitrust cases in our index naming INSTITUTIONAL SHAREHOLDER SERVICES INC — a possible mass-tort or coordinated-litigation cluster.

About Antitrust Lawsuits

Antitrust lawsuits allege unlawful restraints on competition — price-fixing, monopolization, market allocation, or anticompetitive mergers — brought under federal antitrust statutes such as the Sherman and Clayton Acts.

Frequently Asked Questions

What is Office of the Attorney General State of Florida Department of Legal Affairs v. Institutional Shareholder Services Inc?

Office of the Attorney General State of Florida Department of Legal Affairs v. Institutional Shareholder Services Inc is a federal antitrust lawsuit filed on 01/27/2026 in the District Court, N.D. Florida. The case is currently open in the federal court system. Antitrust lawsuits allege unlawful restraints on competition — price-fixing, monopolization, market allocation, or anticompetitive mergers — brought under federal antitrust statutes such as the Sherman and Clayton Acts.

What type of case is this?

It is classified as “Antitrust” under the federal nature-of-suit system. Antitrust lawsuits allege unlawful restraints on competition — price-fixing, monopolization, market allocation, or anticompetitive mergers — brought under federal antitrust statutes such as the Sherman and Clayton Acts.

What court is the case in?

The case is in the District Court, N.D. Florida, docket number 5:26-cv-00026.

When was the case filed?

Office of the Attorney General State of Florida Department of Legal Affairs v. Institutional Shareholder Services Inc was filed on 01/27/2026. The case is currently open.

What law is the case brought under?

The docket lists the cause as 15 U.S.C. § 15 — Clayton Act (private antitrust suits).