Photo of Antonia Stamenova-Dancheva

Antonia Stamenova-Dancheva counsels clients on a wide range of matters, including compliance with federal and state requirements governing product safety, consumer protection, and advertising. She represents clients before various agencies, including the U.S. Consumer Product Safety Commission (CPSC), the National Advertising Division (NAD), and the Federal Trade Commission (FTC). Antonia also has extensive litigation experience representing companies in consumer class actions.

Prior to joining Keller and Heckman, Antonia served as product safety and compliance counsel at a major online retailer, where she represented their interests before the CPSC and State Attorneys General. She spent more than a decade in the Los Angeles and Washington, DC offices of a large New York-based law firm where she was directly involved in litigation strategy and day-to-day management of all aspects of civil litigation. Antonia leverages her combined in-house and private practice experience to understand her clients’ needs and, if necessary, to guide them through litigation.

On October 8, 2026, Plaintiffs in California League of Food Producers v. Bonta (S.D. Cal.) asked the Court for permission to file a Second Amended Complaint (SAC) in their legal challenge to SB 343, California’s Truth in Recycling law, to assert additional related claims that certain provisions of SB 54, California’s extended producer responsibility (EPR)…

On October 5, 2026, the Consumer Product Safety Commission (CPSC) published two announcements in the Federal Register seeking public comments on two separate proposed standards for batteries.
 
The first is a request to the Office of Management and Budget (OMB) to approve extension of the information collection requirements for the Safety Standard for Button Cell…

Updated: Our analysis of the federal court decision upholding Oregon’s packaging EPR law has been updated to reflect two key developments: NAW’s appeal of that decision to the Ninth Circuit, and the extension of the filing deadline for the parties’ joint status report in the separate Lollicup v. Feldon litigation.

Read the full analysis here

On September 20, 2026, California Governor Newsom signed California bill SB 501 into law, which modifies provisions of the state’s Responsible Battery Recycling Act (AB 2440 or the Act). AB 2440, enacted in 2022, establishes an extended producer responsibility (EPR) program administered by the California Department of Resources Recycling and Recovery (CalRecycle), with the…

On September 23, 2026, the Court again postponed the previously scheduled Early Neutral Evaluation (ENE) conference and related deadlines in the ongoing litigation involving a First Amendment challenge to SB 343, California’s “Truth in Recycling” law. The ENE conference is now scheduled for November 4, 2026.

As we discussed here and here, in California…

On August 27, 2026, after a 5-day bench trial, U.S. District Judge Michael H. Simon upheld in its entirety Oregon’s Plastic Pollution and Recycling Modernization Act (RMA), the state’s Extended Producer Responsibility (EPR) law, reversing an earlier preliminary injunction that captured stakeholder attention. This is the first federal court decision upholding a packaging EPR law…

On July 14, 2026, the United States District Court for the Southern District of California granted a request for a preliminary injunction blocking enforcement of SB 343, also known as California’s “Truth in Recycling” law. Restrictions on recyclability claims were set to take effect on October 4, 2026, for products or packaging manufactured after…

On June 29, 2026, the Supreme Court of the United States (the Court) struck down Humphrey’s Executor v. United States, the nearly century-old precedent that restricted presidential authority to fire independent agency officers at will. The Court’s decision in Trump v. Slaughter, in which a former Commissioner of the Federal Trade Commission (FTC)…