Castillo et al. v. Costco Wholesale Corp.; related R.S. v. Costco
Retail pharmacy; wiretap claims survived; contentious discovery.
Class action
Active — motion to dismiss decided, proceeding
Secondary source
Last verified Sep 8, 2026
Active — motion to dismiss decided, proceeding
Secondary source
Last verified Sep 8, 2026
The matter
- Matter ID
- SND-0126
- Organization
- Costco Wholesale (Costco Pharmacy)
- Location
- National
- Provider type
- Retail pharmacy
- Court
- W.D. Wash. (Judge Chun)
- Docket
- 2:23-cv-01548-JHC
Timeline
- Filed
- Oct 6, 2023
- Key ruling
- Nov 14, 2024
Key ruling
Federal Wiretap Act, CIPA, CMIA, Washington CPA, and unjust enrichment survive; discovery disputes in 2026.
Status note
ACTIVE. MTD granted in part / denied in part Nov. 14, 2024 — federal Wiretap Act, CIPA, CMIA, Wash. CPA, unjust enrichment survive. June 2026: Costco moved for sanctions over discovery.
Exposure
Pages covered Public website (unauthenticated)
Tracking technologies named
Google Analytics (version not specified)Meta Pixel
Plaintiff firms
Source
National Law Review Trade press
Data licensed under CC BY 4.0. Cite as SounderData.com Tracker Litigation Database, September 11, 2026.