DOJ / Multistate v. Yardi
In re Multifamily / RealPage Antitrust Litigation — Yardi Algorithmic Rent Action (W.D. Wash.)
W.D. Wash. · Duffy v. Yardi Systems, Inc., No. 2:23-cv-01391 (W.D. Wash.)
- Status
- Blocked / in litigation
- Took effect
- December 29, 2023
- Applies to
- Yardi Systems, Inc. and participating property managers
Renters brought a parallel class action against Yardi Systems — RealPage's main competitor in algorithmic rent-pricing — alleging it likewise coordinated multifamily rents across competing landlords. State AGs joined as enforcement actors; the case is moving in parallel with the DOJ-RealPage proceeding.
Who is protected: Multifamily-housing renters in markets using Yardi RENTmaximizer
Legal detail
Duffy v. Yardi Systems, Inc., No. 2:23-cv-01391 (W.D. Wash., filed Sept. 8, 2023; Judge Robert S. Lasnik). Class action alleging Sherman Act § 1 conspiracy: Yardi's RENTmaximizer product used competitors' nonpublic data to coordinate rents. State AG civil investigative demands pending in multiple jurisdictions. Discovery ongoing.
Key facts
| Jurisdiction | W.D. Wash. |
|---|---|
| Level | Federal |
| Citation | Duffy v. Yardi Systems, Inc., No. 2:23-cv-01391 (W.D. Wash.) |
| Topics | housing and credit decisions · automated decision-making · consumer protection |
| Court record | Duffy v. Yardi — CourtListener 2:23-cv-01391 |
Related housing and credit decisions rules elsewhere
- Connecticut algorithmic rent ban — HB 8002 (eff. Jan 1, 2026) · In effect
- San Diego algorithmic rent price-fixing ban (Ord. O-21955, May 2025) · In effect
- Minneapolis algorithmic rent ban (Ord. 2025-010, eff. Mar 1, 2026) · In effect
- Seattle algorithmic rent-fixing ban (Ord. 127241 / SMC 7.34, July 2025) · In effect
- NJ Forbidding the Algorithmic Inflation of Rent (FAIR) Act · Enacted (not yet in effect)
- Hoboken Algorithmic Rent-Fixing Ban · In effect
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