Compass filed ethics complaints alleging Zillow false advertising across 26 states, 55 MLSs and 30 Realtor associations.

Zillow alleged a group boycott by MRED and Compass, while defendants argued Zillow’s harm is self-inflicted and nonmonopolistic.

Filings come after a hearing on Zillow’s motion for a preliminary injunction that would stop MRED from restricting its listing veri feeds.

A federal judge denied the FTC partial summary judgment bid in the Zillow Redfin antitrust case, with the trial expected to start Aug. 24.

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Compass and MRED leaders testified Zillow threatened litigation over listing access standards, briefs due July 9 and July 13.