Costco

Tiffany Accuses Costco of Selling Knockoff Rings

A Costco store in Huntington Beach, Calif. sold diamond rings promoted as Tiffany rings for a steep discount, making them seem like a real steal.

Costco at Center of False Advertising Suit Again

Michael Kors says company falsely advertised handbags.

“Independent Doctors of Optometry” at Costco

In July 2018, the Ninth Circuit Court of Appeals reversed in part and vacated in part the dismissal of a class-action lawsuit filed against Costco in 2014. The lawsuit alleges…

Costco Kettle Chips

November 2015: This case was stayed pending the resolution of three similar cases in the Ninth Circuit Court of Appeals. November 2014: A federal judge dismissed some of the state…

Merchandise Sold on Costco’s Website

Allegations: Misleadingly representing that Costco’s website informs consumers when merchandise may be available for a lower price in stores when it routinely fails to include such information

Shrimp from Costco

January 2017: A federal judge dismissed this case When a complaint is dismissed with prejudice, it cannot be refiled.. Claims against Charoen Pokphand Foods and C.P. Food Products (collectively the…

Costco’s Risk-Free 100% Satisfaction Guarantee on Memberships

Allegations: Misleadingly marketing its Risk-Free 100% Satisfaction Guarantee by offering a full refund to members who cancel their memberships when executive members receive less than the amount they paid when…

Costco’s Marketing of HVAC Systems

In March 2014, a federal judge dismissed a class-action lawsuit against Costco Wholesale Corporation. The complaint, which was originally filed in 2013, alleges that, among other things, Costco represents that…

Roundup Sold at Costco

In September 2019, a class-action lawsuit was filed against Costco for allegedly misleadingly selling Roundup® without adequately warning consumers that the herbicide contains the alleged carcinogen glyphosate and is dangerous.…

Costco’s Kirkland Signature Ground Himalayan Pink Salt

Allegations: Misleadingly marketing products as “Himalayan” and coming from “the heart of the Himalayan Mountains” when the salt comes from Pakistan

Costco’s Free Replacement Warranties for Interstate Car Batteries

Allegations: Misleadingly advertising warranties as free when consumers who return a defective battery are refunded the original purchase price and then charged a higher price for a replacement battery

Kirkland Coconut Oil

July 2017: A federal judge preliminarily approved a settlement agreement that would resolve the claims in this case. According to the settlement terms, each class member will be awarded a…

Valentine’s Day Deception: Don’t Fall for These Bad Ads

From “Belgian” chocolates made in the U.S. to knockoff engagement rings, be wary of these roadblocks to love.

Kona Coffee

May 2019: The Bond case was voluntarily dismissed When a complaint is dismissed without prejudice, an amended version of the complaint can be refiled., the reasons for which have not…

2nd Generation Apple AirPods

In April 2020, a class-action lawsuit was filed against Costco for allegedly falsely advertising that 2nd Generation Apple AirPods are capable of wireless charging and come with a wireless charging…

VitaRain Water

May 2016: The Ninth Circuit Court of Appeals vacated the dismissal of the action without prejudice and instructed the district court to re-enter its dismissal judgment When a complaint is…

Trunature Milk Thistle Herbal Supplements

In June 2017, a class-action lawsuit was filed against Costco for allegedly misleadingly marketing the amount of silymarin (i.e., the main component of milk thistle seeds) in Trunature Milk Thistle…

TruNature Ginkgo Biloba with Vinpocetine

March 2019: The Ninth Circuit Court of Appeals reversed the district court order for summary judgment and remanded the case for further proceedings. September 2017: The named plaintiff filed a…

Optifiber Natural Prebiotic Fiber Supplement

In September 2020, a class-action lawsuit was filed against Costco Wholesale Corp. for allegedly falsely marketing Optifiber Natural Prebiotic Fiber Supplement as “natural” when, according to plaintiffs, the supplement contains…