News
UB Greensfelder Earns Top Rankings in Chambers USA 2026 Edition
June 4, 2026

With her experience defending class actions in some of the most challenging venues in the country, Abby is experienced at defending high-stakes class actions. Abby has represented clients in dozens of class actions nationwide, including in California, Illinois, Missouri, New York, and other states. She has defended clients in all stages of class action practice, including the trial of a class action case to verdict, as well as multidistrict litigation (MDL).
Abby focuses on defeating class actions at the earliest stage possible. She has successfully defeated class certification, eliminated, and narrowed putative class claims through dispositive motions, and crafted creative class action settlements. She routinely addresses issues under the Class Action Fairness Act (CAFA) and has experience with the unique issues of damages, the use of national caliber experts on both merits and class certification issues, and with contractual class action waivers. Abby’s experience includes directing the administration of the claims and notice processes for class sizes in the millions.
Abby’s class action experience runs the gamut of the modern economy, including in the areas of:
Representative Experience includes:
Abby also writes on class actions, including “An Epic Supreme Court Decision Enforcing Class Arbitration Waivers in Employment Agreements” and “SCOTUS decision in TransUnion LLC v. Ramirez raises hurdle for establishing standing in class action claims under the Illinois Biometric Information Privacy Act and other data privacy and consumer protection Statutes.” Abby has been named to The Best Lawyers in America®, Mass Tort Litigation/Class Actions - Defendants, Missouri (2024).
With her experience defending class actions in some of the most challenging venues in the country, Abby is experienced at defending high-stakes class actions. Abby has represented clients in dozens of class actions nationwide, including in California, Illinois, Missouri, New York, and other states. She has defended clients in all stages of class action practice, including the trial of a class action case to verdict, as well as multidistrict litigation (MDL).
Abby focuses on defeating class actions at the earliest stage possible. She has successfully defeated class certification, eliminated, and narrowed putative class claims through dispositive motions, and crafted creative class action settlements. She routinely addresses issues under the Class Action Fairness Act (CAFA) and has experience with the unique issues of damages, the use of national caliber experts on both merits and class certification issues, and with contractual class action waivers. Abby’s experience includes directing the administration of the claims and notice processes for class sizes in the millions.
Abby’s class action experience runs the gamut of the modern economy, including in the areas of:
Representative Experience includes:
Abby also writes on class actions, including “An Epic Supreme Court Decision Enforcing Class Arbitration Waivers in Employment Agreements” and “SCOTUS decision in TransUnion LLC v. Ramirez raises hurdle for establishing standing in class action claims under the Illinois Biometric Information Privacy Act and other data privacy and consumer protection Statutes.” Abby has been named to The Best Lawyers in America®, Mass Tort Litigation/Class Actions - Defendants, Missouri (2024).
With her experience defending class actions in some of the most challenging venues in the country, Abby is experienced at defending high-stakes class actions. Abby has represented clients in dozens of class actions nationwide, including in California, Illinois, Missouri, New York, and other states. She has defended clients in all stages of class action practice, including the trial of a class action case to verdict, as well as multidistrict litigation (MDL).
Abby focuses on defeating class actions at the earliest stage possible. She has successfully defeated class certification, eliminated, and narrowed putative class claims through dispositive motions, and crafted creative class action settlements. She routinely addresses issues under the Class Action Fairness Act (CAFA) and has experience with the unique issues of damages, the use of national caliber experts on both merits and class certification issues, and with contractual class action waivers. Abby’s experience includes directing the administration of the claims and notice processes for class sizes in the millions.
Abby’s class action experience runs the gamut of the modern economy, including in the areas of:
Representative Experience includes:
Abby also writes on class actions, including “An Epic Supreme Court Decision Enforcing Class Arbitration Waivers in Employment Agreements” and “SCOTUS decision in TransUnion LLC v. Ramirez raises hurdle for establishing standing in class action claims under the Illinois Biometric Information Privacy Act and other data privacy and consumer protection Statutes.” Abby has been named to The Best Lawyers in America®, Mass Tort Litigation/Class Actions - Defendants, Missouri (2024).
With her experience defending class actions in some of the most challenging venues in the country, Abby is experienced at defending high-stakes class actions. Abby has represented clients in dozens of class actions nationwide, including in California, Illinois, Missouri, New York, and other states. She has defended clients in all stages of class action practice, including the trial of a class action case to verdict, as well as multidistrict litigation (MDL).
Abby focuses on defeating class actions at the earliest stage possible. She has successfully defeated class certification, eliminated, and narrowed putative class claims through dispositive motions, and crafted creative class action settlements. She routinely addresses issues under the Class Action Fairness Act (CAFA) and has experience with the unique issues of damages, the use of national caliber experts on both merits and class certification issues, and with contractual class action waivers. Abby’s experience includes directing the administration of the claims and notice processes for class sizes in the millions.
Abby’s class action experience runs the gamut of the modern economy, including in the areas of:
Representative Experience includes:
Abby also writes on class actions, including “An Epic Supreme Court Decision Enforcing Class Arbitration Waivers in Employment Agreements” and “SCOTUS decision in TransUnion LLC v. Ramirez raises hurdle for establishing standing in class action claims under the Illinois Biometric Information Privacy Act and other data privacy and consumer protection Statutes.” Abby has been named to The Best Lawyers in America®, Mass Tort Litigation/Class Actions - Defendants, Missouri (2024).
With her experience defending class actions in some of the most challenging venues in the country, Abby is experienced at defending high-stakes class actions. Abby has represented clients in dozens of class actions nationwide, including in California, Illinois, Missouri, New York, and other states. She has defended clients in all stages of class action practice, including the trial of a class action case to verdict, as well as multidistrict litigation (MDL).
Abby focuses on defeating class actions at the earliest stage possible. She has successfully defeated class certification, eliminated, and narrowed putative class claims through dispositive motions, and crafted creative class action settlements. She routinely addresses issues under the Class Action Fairness Act (CAFA) and has experience with the unique issues of damages, the use of national caliber experts on both merits and class certification issues, and with contractual class action waivers. Abby’s experience includes directing the administration of the claims and notice processes for class sizes in the millions.
Abby’s class action experience runs the gamut of the modern economy, including in the areas of:
Representative Experience includes:
Abby also writes on class actions, including “An Epic Supreme Court Decision Enforcing Class Arbitration Waivers in Employment Agreements” and “SCOTUS decision in TransUnion LLC v. Ramirez raises hurdle for establishing standing in class action claims under the Illinois Biometric Information Privacy Act and other data privacy and consumer protection Statutes.” Abby has been named to The Best Lawyers in America®, Mass Tort Litigation/Class Actions - Defendants, Missouri (2024).
With her experience defending class actions in some of the most challenging venues in the country, Abby is experienced at defending high-stakes class actions. Abby has represented clients in dozens of class actions nationwide, including in California, Illinois, Missouri, New York, and other states. She has defended clients in all stages of class action practice, including the trial of a class action case to verdict, as well as multidistrict litigation (MDL).
Abby focuses on defeating class actions at the earliest stage possible. She has successfully defeated class certification, eliminated, and narrowed putative class claims through dispositive motions, and crafted creative class action settlements. She routinely addresses issues under the Class Action Fairness Act (CAFA) and has experience with the unique issues of damages, the use of national caliber experts on both merits and class certification issues, and with contractual class action waivers. Abby’s experience includes directing the administration of the claims and notice processes for class sizes in the millions.
Abby’s class action experience runs the gamut of the modern economy, including in the areas of:
Representative Experience includes:
Abby also writes on class actions, including “An Epic Supreme Court Decision Enforcing Class Arbitration Waivers in Employment Agreements” and “SCOTUS decision in TransUnion LLC v. Ramirez raises hurdle for establishing standing in class action claims under the Illinois Biometric Information Privacy Act and other data privacy and consumer protection Statutes.” Abby has been named to The Best Lawyers in America®, Mass Tort Litigation/Class Actions - Defendants, Missouri (2024).
With her experience defending class actions in some of the most challenging venues in the country, Abby is experienced at defending high-stakes class actions. Abby has represented clients in dozens of class actions nationwide, including in California, Illinois, Missouri, New York, and other states. She has defended clients in all stages of class action practice, including the trial of a class action case to verdict, as well as multidistrict litigation (MDL).
Abby focuses on defeating class actions at the earliest stage possible. She has successfully defeated class certification, eliminated, and narrowed putative class claims through dispositive motions, and crafted creative class action settlements. She routinely addresses issues under the Class Action Fairness Act (CAFA) and has experience with the unique issues of damages, the use of national caliber experts on both merits and class certification issues, and with contractual class action waivers. Abby’s experience includes directing the administration of the claims and notice processes for class sizes in the millions.
Abby’s class action experience runs the gamut of the modern economy, including in the areas of:
Representative Experience includes:
Abby also writes on class actions, including “An Epic Supreme Court Decision Enforcing Class Arbitration Waivers in Employment Agreements” and “SCOTUS decision in TransUnion LLC v. Ramirez raises hurdle for establishing standing in class action claims under the Illinois Biometric Information Privacy Act and other data privacy and consumer protection Statutes.” Abby has been named to The Best Lawyers in America®, Mass Tort Litigation/Class Actions - Defendants, Missouri (2024).