Marshall Dennehey, P.C. – Philadelphia, PA

A National Leader in Civil Defense Litigation

Since its founding in 1962, Marshall Dennehey has evolved into a formidable force in the legal landscape, establishing itself as a leading American civil defense litigation law firm. As an Am Law 200 firm, we are the trusted counsel for a sophisticated clientele of insurers, their insureds, self-insured businesses, and professionals across a multitude of industries. Our mission is to provide a vigorous and intelligent defense, carefully managing litigation to protect our clients’ interests and achieve their business objectives. With a team of over 500 attorneys, we combine national recognition with a deep understanding of local jurisdictions, offering a powerful defense against claims and lawsuits. Our approach is collaborative, pragmatic, and always mindful of our clients’ bottom line, from the earliest stages of a dispute to its ultimate resolution.

A Formidable Defense Across Four Core Departments

Our firm is structured to provide elite, specialized defense counsel across the full spectrum of civil litigation. We house some of the country’s most accomplished trial lawyers within four major departments, each containing numerous dedicated practice groups.

• Casualty Defense: We defend clients against a vast array of personal and property liability claims, including automobile and trucking accidents, premises liability, product liability, and catastrophic injury litigation.
• Professional Liability Defense: Our attorneys protect the reputations and licenses of professionals, defending lawyers, accountants, architects, engineers, and financial professionals against claims of malpractice and errors and omissions.
• Health Care Defense: We are a leader in defending health care providers, including hospitals, physicians, and long-term care facilities, against complex medical malpractice and professional liability claims.
• Workers’ Compensation Defense: We represent employers and insurers in all aspects of workers’ compensation litigation, providing an aggressive defense to minimize exposure and control costs.
• Employment and Labor Law Defense: We counsel and defend employers in all matters of employment law, including claims of discrimination, harassment, wrongful termination, and wage and hour disputes.

A Legacy of Excellence and Results

Marshall Dennehey’s commitment to delivering superior client service and exceptional outcomes is consistently recognized by our clients and the legal industry. We are proud to be named the ‘External Law Firm Partner of the Year’ by Liberty Mutual Insurance and to be honored by The Legal Intelligencer as a ‘Litigation Department of the Year.’ With dozens of attorneys recognized in ‘The Best Lawyers in America,’ our record of success is clear. When settlement is not an option, our clients trust our seasoned trial attorneys to aggressively advocate for them in the courtroom, where we have a proven history of achieving favorable verdicts.