Illinois resident Kevin Cwynar's class-action case alleges the brokers and NAR rules have caused potentially hundreds of thousands of homebuyers to pay up to thousands of dollars in excess commissions
The company is currently facing lawsuits from more than a half-dozen states over its allegedly deceptive business practices
In David-and-Goliath trademark suit, Ohio-based company accuses Zillow of unfair competition, unjust enrichment