Practice Areas


The firm concentrates on antitrust law. Its lawyers have represented consumers in class actions, generic pharmaceutical companies, auto parts companies, and family businesses.

Read More

Consumer Protection

Langer Grogan & Diver is committed to protecting consumers from dishonest corporations and deceptive practices. We have been at the forefront of the fight against predatory “payday” loans that target our most vulnerable citizens.

Read More

Civil RICO

The Racketeer Influenced and Corrupt Organizations (“RICO”) Act targets more than mob bosses and organized crime. It also applies to corporations that knowingly help others deceive and steal from consumers. Langer Grogan & Diver has had great success recovering the proceeds of such illegal activity.

Read More

False Claims Act

The False Claims Act prohibits people and companies from defrauding the federal government. It applies when a company or person knowingly submits a false claim for payment to the federal government The Act applies to almost any type of fraud in which the government has paid money based on a fraudulent claim.

Read More

Law in the Public Interest

The firm is committed to public interest. The firm invests substantial resources into public interest litigation. We do these cases in partnership with public interest organizations.

Read More

Commercial & Contract

Our lawyers have had great success in a variety of commercial litigation matters outside of the antitrust field, particularly in the area of contract and franchise litigation.

Read More


Langer, Grogan & Diver P.C.
1717 Arch Street, Suite 4130
Philadelphia, PA 19103

Phone: 215-320-5660  |   Fax: 215-320-5703
Contact Us