City skyline with illuminated buildings reflected on the water at dusk.

SPECIALIZING IN ANTITRUST, SECURITIES, AND CONSUMER CLASS ACTION LITIGATION. OFFERING CLIENTS EXPERT LEGAL ADVICE AND VALUE-ADDED SOLUTIONS.

Close-up of Lady Justice statue holding scales, symbolizing fairness.

ANTITRUST, SECURITIES, AND CONSUMER MATTERS—BUILT FOR HIGH-STAKES DISPUTES AND MEASURABLE RESULTS.

City skyline with modern skyscrapers and a river under a blue sky.

COMPLEX LITIGATION FOR INSTITUTIONS, BUSINESSES, AND INVESTORS.

Request a Confidential Review | View Active Investigations

EXPERIENCE YOU CAN TRUST

Grabar Law Office

The firm specializes in complex, commercial litigation. The firm, and its principal, Joshua H. Grabar, have been involved in some of the largest class actions of the last two decades.

DEDICATION YOU CAN RELY ON

Grabar Law Office

We take pride in providing effective and aggressive representation. Our reputation and history of success speaks for itself and drives lasting client relationships. We are here for you.

LET'S WORK TOGETHER

Grabar Law Office

If you have suffered a financial loss as a result of price-fixing, securities fraud, or consumer fraud, we are on your side. If you are a business seeking to avoid unnecessary liability, or reduce the costs of compliance, we are your solution.

Core Practice Areas

Competition

Antitrust Litigation

Price fixing, market allocation, bid manipulation, monopolization and other restraints of trade affecting direct purchasers and institutions.

Explore →

FINANCIAL MARKETS & GOVERNANCE

Securities Litigation

Securities class actions, shareholder derivative litigation and corporate-governance matters involving alleged misconduct, misleading disclosures and fiduciary breaches.

Explore →

INSTITUTIONS

Institutional Litigation & Claims Monitoring

Claim identification, preservation, direct-action evaluation, recovery optimization and fiduciary support.

Explore →

CONSUMER MARKETS

Consumer Protection

Deceptive practices, false advertising and unfair competition presented in a restrained, businesslike voice.

Explore →

CATASTROPHIC HARM

Serious Injury & Wrongful Death

Selective representation in catastrophic injury and wrongful death matters, including cases handled in partnership with leading trial counsel.

Explore →

EXECUTION

Compliance & Complex Litigation Support

Document-intensive litigation, discovery, regulatory implementation and project-based legal support.

Explore →

latest news

Grabar Law Office In the News: ADMA Biologics Inc. Brass Sued Over ‘Channel Stuffing’ Disclosures

By Grabar Law | August 26, 2026
The top brass of pharmaceutical company ADMA Biologics Inc., among other things, failed to disclose certain related-party transactions the company engaged in and a channel-stuffing scheme to create the appearance of revenue, according to a shareholder derivative suit filed Monday. Plaintiff filed a complaint against ADMA’s CEO, its Chief Financial Officer, and several board members,…
Read More →

GRABAR LAW OFFICE FILES LAWSUIT ON BEHALF OF PRINCETON UNIVERSITY AGAINST INSULIN MANUFACTURERS AND PBMS

By Grabar Law | June 2, 2026
Philadelphia, Pennsylvania – June 2, 2026 – Grabar Law Office has filed a lawsuit on behalf of The Trustees of Princeton University in the United States District Court for the District of New Jersey against insulin manufacturers Eli Lilly and Company, Novo Nordisk Inc., and Sanofi-Aventis U.S. LLC, as well as pharmacy benefit manager (“PBM”)…
Read More →
Insulin vial and syringe on blue background.

Grabar Law Office Files Suit on Behalf of the City of St. Louis Against Major Insulin Manufacturers and PBMs

By Grabar Law | January 14, 2026
January 13, 2026 – Philadelphia, PA – Grabar Law Office has filed a major federal lawsuit in the U.S. District Court for the District of New Jersey on behalf of the City of St. Louis, against pharmaceutical giants Eli Lilly, Novo Nordisk, and Sanofi, along with the nation’s three largest pharmacy benefit managers (PBMs)—CVS Caremark,…
Read More →
Blood sugar log, glucometer, syringes, stethoscope.

Grabar Law Office Files Suit on Behalf of WashU Against Major Insulin Manufacturers and PBMs

By Grabar Law | January 14, 2026
January 13, 2026 – Philadelphia, PA – Grabar Law Office has filed a major federal lawsuit in the U.S. District Court for the District of New Jersey on behalf of The Washington University, d/b/a Washington University in St. Louis (“WashU”), against pharmaceutical giants Eli Lilly, Novo Nordisk, and Sanofi, along with the nation’s three largest…
Read More →