Decrying the defendants’ use of “suspect marketing gimmicks” that generate “confusion in the marketplace,” the class-action plaintiffs’ allegations in Patel v. Zillow Inc. didn’t go far enough to survive a motion to dismiss pursuant to Federal Rule of Civil Procedure Rule 12(b)(6).The Northern District of Illinois recently dismissed the real estate- owning plaintiffs’ claims against the defendants, whose Zillow.com website is a popular online destination for property buyers …