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Consumer protection statutes not violated because no reasonable consumer would expect water filter products to remove or reduce common contaminants to below lab detectable limits

April 20, 2026

Brown v. Brita Products Company, (9th Cir., April 16, 2026, No. 24-6678) 2026 WL 1028347

A federal  district court dismissed a putative class action against a water filter manufacturer alleging, among other claims: (1) violation of the California Unfair Competition Law, Cal. Bus. & Prof. Code § 17200, et seq.; (2) violation of the California False  Advertising  Law,  Cal.  Bus.  &  Prof.  Code  § 17500, et  seq.; and  (3) violation  of  the  California  Consumer  Legal  Remedies  Act,  Cal.  Civ.  Code  § 1750, et seq.. Plaintiff alleged that he would not have purchased defendant’s water filters, or paid the same price for them, if defendant had disclosed that its products do not reduce certain contaminants to below lab detectable levels. Plaintiff appealed.

The Ninth Circuit  affirmed.  The court applied  a “reasonable consumer standard” whereby “ ‘a misrepresentation or omission is material if “a reasonable person would find  [the  misrepresented  or  omitted  fact]  important  when  determining  whether to purchase a product.’ ” The court concluded that under this standard, no reasonable consumer would have  expected defendant’s water filters to reduce certain contaminants to below lab detectable levels. As a result, defendant’s failure to disclose this limitation  was not “material” and, plaintiff’s statutory claims failed as a matter of law.

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