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Zillow presses for preliminary injunction over listing data feed dispute
The antitrust fight centers on whether MRED and Compass allegedly coordinated to restrict Zillow’s listing feed, after a two-day hearing on the injunction motion.
Zillow, Midwest Real Estate Data (MRED) and Compass are trading reply briefs as a court weighs Zillow’s request for a preliminary injunction over access to MRED-powered listing data, according to HousingWire. The motion follows a two-day hearing focused on whether MRED should be prevented from suspending its listing data feed.
Zillow’s complaint, filed in mid-May, argues MRED and Compass engaged in an unlawful group boycott that would cut off listing data access and limit Zillow’s ability to operate. The dispute is tied to an “objective criteria” IDX display policy Zillow says was updated so that Zillow would be out of compliance if it enforced its own listing access standards in the Chicagoland area.
HousingWire reports Zillow debuted the objective-criteria policy in April 2025, and that under the rule, any listing publicly marketed for more than one business day before it is available for IDX or VOW feed display is banned from Zillow’s portal. Zillow said it faces irreparable harm without court intervention, citing damage to its brand, goodwill and competitive position, along with harm to its Zillow Preview product.
MRED countered that Zillow cannot show MRED has monopoly power, pointing to the availability of direct listing feeds from brokers and noting Zillow already receives direct feeds covering a significant portion of the Chicagoland market. MRED also argued that enforcing the objective-criteria rule and pursuing national expansion were legitimate business decisions, not the product of a conspiracy with Compass to exclude Zillow.