Amy P. Lally

AMY LALLY is a trial lawyer who practices in all areas of litigation, including class actions, false advertising claims, contract disputes, and real estate litigation. She serves as a global co-leader of Sidley’s Consumer Class Actions practice, which was ranked by Chambers USA in 2022 and recognized for its “deep bench noted for its expertise in the life sciences sector, having obtained a number of high-profile defense verdicts in this field.”

She has broadly represented the consumer products and services industries in litigation arising under state and federal laws including California’s Proposition 65, Consumer Legal Remedies Act (CLRA), and the California Invasion of Privacy Act (CIPA); false advertising and unfair competition laws in California, New York, Illinois, and other states; and the Federal Wiretap Act, TCPA, Lanham Act, and other federal laws, regulations and guidance documents, including the FTC’s Green Guides. Amy is a leading member of Sidley’s California Consumer Privacy Litigation Task Force, a dedicated group of lawyers focused on the California Consumer Privacy Act (CCPA) and California Privacy Rights Act (CPRA), counseling clients on how to assess and mitigate litigation risks by putting in place the policies, procedures, and protocols that comply with the new laws. Her clients include numerous consumer goods manufacturers and retailers, including vitamin and dietary supplement companies, cosmetic companies, conventional food and beverage companies, pharmaceutical companies, apparel and fashion companies, furniture and home goods companies, and e-commerce companies. Amy has represented a wide variety of other businesses such as financial institutions, hedge funds, accounting firms, and oil and gas companies.

Amy has tried cases to verdict in both state and federal courts across the country. She litigates cases in multiple courts throughout California, including in the counties of Alameda, Los Angeles, Orange, Riverside, Sacramento, San Diego, San Francisco, and San Mateo.

She also works with clients to assess their product and service offerings, and mitigate litigation risk in connection with strategic growth opportunities. She has significant experience assisting consumer products and services companies in strategic transactions, including OSEA Malibu, HRB Brands, Tata Consumer Products, Naturium, United Airlines, Bodega Latina Corporation, Vegamour, and Carlin Consumer Health, among others.

Amy was recognized by Chambers USA for Food & Beverages: Regulatory & Litigation Nationwide (2024–2025) and California Litigation: General Commercial (2025) and was named to the Los Angeles Business Journal’s “Leaders of Influence: Litigators & Trial Attorneys” list (2025). She was recommended by Legal 500 United States for Product Liability, Mass Tort and Class Action—Defense: Consumer Products (including Tobacco) (2025). Amy has also been ranked on the Daily Journal’s “Leading Commercial Litigators” (2025) and the “Top Women Lawyers” list (2024). She was recognized by Law360 as an “MVP” for Class Action (2024). In 2023 and 2020, she was named to the “Women of Influence” list published by the Los Angeles Business Journal. Amy was recognized by AmLaw Litigation Daily as a Litigator of the Week runner-up for two wins for clients in California federal courts, for representing The Container Store Inc. in a Video Privacy Protection Act case, and for representing Golo LLC in consumer claims brought under California’s Sherman Law. She received an AmLaw Litigation Daily Shout-Out honor in July 2022 for securing a win in a dispute spinning out of a US$40 million loan her client, Fortress Investment Group affiliate DBD Credit Funding LLC, secured by The Beverly House, and also in June 2021 for her work defending The Neiman Marcus Group, LLC against a putative privacy class action. She led the Sidley team in defense of a consumer class action that was recognized by the Daily Journal as one of the “Top Defense Verdicts” of 2020. Amy was named to Lawdragon’s list of “500 Leading Global Cyber Lawyers” in 2024 and “500 Leading Litigators in America” in 2022.

Amy also is an adjunct professor at the University of California, Irvine School of Law, teaching trial advocacy.

• Defeated putative class action in the Northern District of Illinois against Hill’s pet food company and PetSmart, challenging the sale and labeling of Hill’s Prescription Diet brand pet food.
• Obtained a major victory on behalf of The Container Store, Inc. in the U.S. District Court for the Central District of California regarding class action claims related to alleged violations of the federal Video Privacy Protection Act.
• Achieved a significant victory on behalf of Golo, LLC in the U.S. District Court for the Eastern District of California regarding class action claims related to alleged violations of the Unfair Competition Law, False Advertising Law, and Consumer Legal Remedies Act.
• Obtained a complete dismissal for a food company in a class action alleging that our client misled consumers by marketing “Popcorn Indiana” brand products where the corn used was from outside of Indiana. 
• Obtained trial win for an investment management firm in a long running legal dispute regarding financing secured by a historic property.  
• Defeated putative class action in the Central District of California against defendants, alleging that a soap manufactured by a Mexican company and distributed in the United States was falsely labeled “natural.” The Order granting the Motion Dismiss was affirmed by the Ninth Circuit.
• Prevailed on a motion to compel arbitration in the Central District of California against a putative class action asserting breach of contract, fraud, and unfair business practices (Section 17200) claims against a cable service provider.
• Obtained dismissal of RICO class action in the Northern District of California against defendants, including a national clothing retailer, alleging that an anti-shoplifting recidivism program constituted extortion. 
• Defeated TCPA class action in the Central District of California challenging call to action text marketing campaigns.
• Obtained a dismissal of putative class action against a national retailer challenging outlet store pricing under Business & Professions Code Section 17501.
• Prevailed on a motion for summary judgment in the Central District of California against a putative false advertising class action regarding homeopathic cold and flu remedies. 
• Motion to dismiss granted in the Northern District of California on a putative false advertising class action regarding personal care products. 
• Negotiated several favorable single-plaintiff settlements in putative false advertising class actions against the cosmetics industry. 
• Obtained Court dismissal of a putative class action alleging claims arising under California laws on gift certificates, liquidated damages, unconscionability, Section 17200 (unfair business practices), Section 17500 (false advertising), and the Consumer Legal Remedies Act. 
• Lead trial counsel for two dietary supplement companies in a Proposition 65 lawsuit asserting failure to warn with respect to certain dietary supplements. The court ruled in favor of dietary supplement companies on all issues in the bifurcated trial. 
• Trial counsel for Pacific Gas & Electric Company in a lawsuit with co-plaintiffs Southern California Edison, San Diego Gas & Electric, and the State of California seeking to recover hundreds of millions of dollars in wholesale electricity overcharges from governmental entity defendants that sold power into the California markets during the Energy Crisis. The court found in favor of Pacific Gas and Electric and the other plaintiffs. 
• Defeated class certification in a putative class action asserting breach of contract, fraud and unfair business practices (Section 17200) claims against a large on-line food ordering service.  
• Representation of seven vitamin manufacturers and liaison counsel to all defendants in the industry in a Proposition 65 lawsuit brought by the California Attorney General and six district attorneys against 45 defendants. 
• Several representations of consumer product manufacturers and retailers and consumer service companies in putative class actions arising out of the California Invasion of Privacy Act (CIPA).
• Obtained summary judgment for an oil and gas company in two concurrent lawsuits, a putative class action of all branded service station franchisees in California and a non-class action brought by nearly two dozen franchisees, alleging a violation of the franchisees’ right of first refusal to purchase their stations and various purported unfair business practices in the pricing of gasoline and the implementation of the franchise agreement. Both summary judgments were affirmed on appeal. 
• Lead counsel in multiple putative class actions brought against national consumer products retailers alleging privacy violations of the Song-Beverly Credit Card Act in connection with credit card transactions. 
• Obtained court dismissal for AIG Retirement Services Inc. in a lawsuit brought by Brill Media Company LLC and its affiliates seeking more than $75 million in damages in claims arising out of Brill Media’s bankruptcy. 
• Multiple representations of lenders in actions for foreclosure and breaches of guaranty agreements in connection with loans secured by real property located throughout California and involving a wide variety of businesses including nursing homes, casinos, hotels, restaurants, and residential developments.

• Member, Prop 65. Clearinghouse Advisory Board
• Member, Steering Committee, Cambridge Food Law Forum  
• Member, Board of Governors, USC Institute for Corporate Counsel 
• Northwestern University Kellogg School of Management, Executive Leadership Program Certification (2024)
• Fellow, Litigation Counsel of America (2016)
• Member, American Bar Association
• Member, Los Angeles County Bar Association
• Member, Trial Law Institute (2015–2016)
• Member, Women Lawyers Association Los Angeles
• Director, Palisades Enrichment Programs (2012–2016)
• Director, Western Center on Law and Poverty (2010–2015) 

Amy maintains an active pro bono practice and has recently led Sidley teams in:

• Obtained a victory on behalf of a disabled veteran in a matter referred to Sidley by Public Counsel, resulting in a very favorable settlement on behalf of the client.
• Obtained a major victory in Hunger Action Los Angeles, et al. v. County of Los Angeles, et al., in which the Los Angeles Superior Court entered a permanent injunction requiring the county to process and approve emergency applications for CalFresh — formerly known as “food stamps” — in a timely manner.
• A large cross-office effort working alongside pro bono partner Public Counsel to seek a preliminary injunction requiring the U.S. government to provide mental health services to a putative class of immigrant families separated upon entry into the United States. On November 6, 2019, in a groundbreaking 50-page order, Judge Kronstadt of the U.S. District Court for the Central District of California granted the preliminary injunction and certified the class, requiring mental health screenings and treatment to help separated family members begin to address the severe and ongoing trauma associated with family separation. As a result of her work and on behalf of the team, Amy accepted the 2019 Public Counsel Pro Bono award in honor and recognition of Sidley’s efforts on this matter.