NastLaw – A Philadelphia Law Firm

NastLaw is a Philadelphia law firm, providing services to clients nationwide. Our attorneys fight for victims, so you can be assured that you will receive vigorous and aggressive representation.

This work is our passion, and we are dedicated to helping consumers and institutions defend their rights when harmed by large corporations.

We Fight for You

NastLaw attorneys fight for victims, so you can be assured that you will receive vigorous and aggressive representation.

This work is our passion, and we are dedicated to helping consumers and institutions defend their rights when harmed by large corporations.

Trusted Leadership

Lead by Dianne Nast, one of the country’s premier litigators, NastLaw attorneys combine over 90 years of complex civil litigation experience. We provide our clients with experienced, confident representation to guide them in the most difficult cases.

Ms. Nast is one of the most accomplished attorneys in the country and has been recognized by Courts across the country for her skill and leadership in complex litigation.

NastLaw attorneys are known for taking leadership roles in their cases, helping to ensure our clients’ needs are well represented in every situation.

Nationwide Representation

We represent clients across the country, and our lawyers are recognized as some of the top in the country for their dedication to their clients and track record of results.

Our offices are located in Philadelphia, one of the major centers of civil litigation in the United States. NastLaw attorneys work tirelessly to provide our clients with the best legal representation.

Experience and Awards

NastLaw attorneys have decades of experience in complex litigation, with each attorney focusing his or her career on complex litigation. NastLaw attorneys have negotiated billions of dollars settlements and are nationally regarded for their experience, leadership and successful representation of clients in complex litigation.


Dangerous Drugs


Your legal team at NastLaw combines over 90 years of legal experience representing people injured by dangerous drugs. Our dangerous drug lawyers are nationally recognized for their experience in representing people harmed by these products. Together, they have helped to negotiate billions of dollars in settlements.

Firm founder Dianne Nast has extensive and diverse experience in pharmaceutical litigation, and much of her professional career has involved this type of litigation. With over 25 years in this field, she is consistently recognized by her clients and peers as one of the best lawyers in the country.

Our attorneys are frequently asked to take leadership roles in the resolution of dangerous drug lawsuits. NastLaw currently holds court-appointed leadership roles in several major pharmaceutical cases against drugs such as Xarelto, Zoloft, Yasmin/Yaz, Prescription Testosterone.



Vehicle Recalls

NastLaw is one of the nation’s leading firms for vehicle recall lawsuits. Our attorneys have decades of experience in vehicle recall litigation for components such as tires, airbags, accelerators, ignition switches, and more.

NastLaw founder Dianne Nast has been appointed to the executive committee in the lawsuit against General Motors for defective ignition switches.

We are also pursuing lawsuits against Takata Corporation and several major auto manufacturers for defective airbag inflators.



Medical Devices

Nastlaw attorneys have decades of experience litigating medical devices. Our attorneys have been appointed to national leadership positions in various device Multi-District Litigations, including breast implants, trans-vaginal mesh and pace makers.

NastLaw attorneys work on at national and at local levels in prosecuting these cases for plaintiffs around the country.

Our current medical device investigations include Da Vinci Robots, Transvaginal Mesh Implants and Mirena IUD contraceptives.



Antitrust Litigation


NastLaw attorneys are nationally recognized for their antitrust experience and have been appointed to significant leadership positions in some of the largest antitrust cases. Our lawyers have successfully litigated dozens of major antitrust cases to protect consumers and ensure fair competition for businesses.

Our antitrust lawyers are leading the way in some of the biggest and most significant antitrust cases. It is common to find one of our lawyers holding the lead counsel position, or playing a prominent role in the steering committee for many major antitrust cases.

Ms. Nast currently serves as a member of the executive committee for several antitrust cases, including In re: Effexor XR Antitrust Litigation (D. N.J.), Modafinil Antitrust Litigation (E.D. Pa.) and Skelaxin Antitrust Litigation (E.D. Tenn.).