Business Details
24 Years
experience
Trusted Antitrust and Consumer Protection Attorneys in Philadelphia
Langer Grogan & Diver is a Philadelphia-based law firm dedicated to advancing social and economic justice for consumers and small businesses. Founded in 2002, we specialize in antitrust litigation, consumer protection, and public interest law, with a track record of landmark victories in federal and state courts nationwide. Our attorneys have secured the largest consumer recovery within the Third Circuit and received prestigious accolades, including the American Antitrust Institute's Outstanding Antitrust Litigation Achievement Award. We represent clients in complex class actions involving antitrust conspiracies, predatory lending, and deceptive business practices. Our work has reshaped industry standards, such as untying sports broadcasting packages to benefit consumers. Committed to public service, we partner with legal aid organizations and established the Langer Grogan & Diver Social Justice Fellowship at the University of Pennsylvania Law School.Our team combines decades of experience with a rigorous approach to legal analysis and economic theory. We have served as Special Counsel to the Pennsylvania Attorney General and represented classes of businesses and consumers in high-impact litigation. Our attorneys are recognized leaders in their fields, with notable cases featured in major appellate decisions. We maintain affiliations with legal organizations focused on justice and equality. Our practice extends beyond traditional litigation to include contract disputes and franchise law. We balance commercial representation with pro bono work, reflecting our core values of fairness and accountability. The firm's founders and partners have been at the forefront of antitrust enforcement for over two decades.
Services
Antitrust Litigation
Consumer Protection
Whistleblower Cases
Social Justice Litigation
Complex Litigation
Details
- Year established: 2002
Highlights and features
- We have over two decades of experience in antitrust litigation.
- Awarded by the American Antitrust Institute for Outstanding Antitrust Litigation Achievement.
- Secured the largest consumer recovery within the Third Circuit.
- Established the Social Justice Fellowship at the University of Pennsylvania Law School.
- Recognized by courts for combining legal knowledge with economic theory.
Services
Antitrust Litigation
We represent consumers and businesses in antitrust cases challenging price-fixing conspiracies, monopolistic practices, and unfair competition. Our attorneys have secured landmark rulings, including the largest antitrust recovery in the Third Circuit. We specialize in complex class actions involving industries like telecommunications, sports broadcasting, and financial services.
Consumer Protection
Our firm prosecutes consumer fraud cases against corporations engaged in deceptive practices, including predatory lending and false advertising. We have recovered millions for consumers through class action lawsuits. Our work includes challenging schemes that exploit vulnerable populations through illegal financial products.
Public Interest Law
We advance public interest through litigation that promotes economic fairness and corporate accountability. Our pro bono work includes representing underserved communities and partnering with legal aid organizations. The firm established a social justice fellowship to support public interest careers for law graduates.
Complex Litigation
We handle complex commercial litigation beyond antitrust, including contract disputes and franchise law matters. Our experience extends to representing clients in multi-jurisdictional cases and coordinating with regulatory agencies. We combine legal strategy with economic analysis to resolve intricate business conflicts.
People
Howard Langer
Founding Partner
Pioneer of major antitrust cases with over 30 years of experience. Led the largest antitrust recovery in the Third Circuit. Recognized for combining legal expertise with economic analysis in complex litigation.
John J. Grogan
Founding Partner
Seasoned litigator focusing on consumer protection and public interest law. Instrumental in establishing the firm's social justice fellowship. Has represented clients in high-impact class actions against corporate misconduct.
Edward Diver
Partner
Specializes in complex litigation and appellate advocacy. Key contributor to the firm's landmark antitrust cases. Maintains active involvement in legal organizations promoting economic fairness and competition law.
Questions
What areas of law do you specialize in?
We focus on antitrust litigation, consumer protection class actions, and public interest law. Our attorneys have particular expertise in challenging anticompetitive business practices and corporate fraud.
What notable cases have you handled?
We represented consumers in the NFL Sunday Ticket antitrust case, secured a jury verdict against loan servicer Vervent, and served as Special Counsel in Pennsylvania v. Think Finance. Our cases have set important legal precedents.
How do you approach public interest work?
We combine litigation with advocacy, partnering with legal aid organizations and funding public interest fellowships. Our pro bono work focuses on economic justice and protecting vulnerable populations from corporate exploitation.
