Amanda C.Sommerfeld


Los Ángeles +

Amanda Sommerfeld's practice focuses on the defense of corporate clients in individual and class action litigation in state and federal courts. She helps solve client problems, whether in litigation or in preventing litigation. Amanda has an exceptional track record in defeating class claims at the certification stage and successfully defending those decisions in the courts of appeal. She has extensive experience with complex wage & hour class and collective claims of independent contractor misclassification, exemption misclassification, off-the-clock work, meal and rest period violations, unpaid travel time, unpaid expense reimbursement, and other pay-related practices.

Amanda also represents private and public employers in all aspects of employer-employee relations, including counseling, training, litigation, trial, and appellate work. She represents companies in various industries, including manufacturing, aviation, oil refining, homebuilding, and retail/service establishments. Amanda also conducts employment-related training for management and counsels employers on reductions in force, harassment and discrimination, investigations into employee misconduct, and wage and hour audits.

Prior to joining Jones Day in 2017, Amanda assisted Black & Decker in obtaining a 9-0 victory in the United States Supreme Court on an Employee Retirement Income Security Act (ERISA) matter. She also managed the trial team in the first "suitable seating" class action to proceed to trial in California. In that case, which resulted in a judgment for the defendant retailer, the plaintiff had claimed that the nature of cashier work can reasonably be performed while sitting and that the retailer failed to provide suitable seats for its front end cashiers, in violation of California's wage orders.

Amanda frequently speaks on a variety of labor and employment topics, including wage and hour laws.


  • Sirius XM Radio and Pandora Media's summary judgment win in wage and hour PAGA matter upheld by 9th CircuitIn March 2024, the 9th Circuit Court of Appeals affirmed Jones Day clients Sirius XM Radio Inc.’s and Pandora Media, LLC’s summary judgment win dismissing all claims in this putative class and PAGA representative wage and hour action.
  • McDonald's wins summary judgment in California suitable seating PAGA actionJones Day won a significant summary judgment victory for McDonald's Corporation in this representative PAGA action.
  • BNSF, Union Pacific defeat putative class action claims under Washington State's rest-break lawOn behalf of BNSF Railway Company and Union Pacific Railroad Company, Jones Day secured the dismissal of putative class action claims that had been brought against the railroads under Washington State’s rest-break law.
  • BNSF and Union Pacific win judgment in California rest period litigationJones Day obtained judgment in favor of BNSF Railway Company and Union Pacific Railroad Company in two putative class actions brought on behalf of employees alleging violations of California rest period laws.
  • The following represents experience acquired prior to joining Jones Day.

    Secured a significant dismissal for Tesoro of wage and hour class claims on preemption grounds.

    Obtained decertification of FLSA collective action brought on behalf of more than 40,000 employees of a private health care consortium who alleged unpaid wages arising out of an "auto-deduct" meal period practice.

    Won summary adjudication for Black & Decker on FLSA collective action claim for commute time pay, which decision was upheld on appeal to the Second Circuit Court of Appeals.

    Defeated class certification of various wage and hour claims brought against SkyWest Airlines on behalf of customer service agents, followed by an order granting summary judgment in the airline's favor based on a finding that the wage and hour laws do not apply to SkyWest as a matter of law.

    Successfully barred joinder of more than a dozen individual agents who sought to bring the same claims against SkyWest in state court and then subsequently defeated class certification in a copy-cat class action pending in federal court.

    Defeated class certification on claims brought against Sears by managers and assistant managers for exemption misclassification.

    Defeated class certification on copy-cat class claims brought by managers against Sears, which decision was upheld on appeal.

    Defeated class certification on class claims brought by janitors against Kmart who claimed that they were employees and not contractors, which decision was upheld on appeal.

    Eliminated class action brought on behalf of former store managers for Kmart by obtaining summary judgment against named plaintiff on his exempt status.