IPNews® – It was bad news for Zillow recently as the patent for its home valuation estimator was severely whittled down by the USPTO, which found the majority of its claims unpatentable.
The U.S. Patent Trial and Appeal Board made the findings as part of its decision in Microstrategy, Inc. v. Zillow, Inc.
IPNews® – The fight over a patent for online home appraisal systems continues between Zillow and Trulia as both spar in federal court.
Zillow originally filed its lawsuit against Trulia for patent infringement, claiming Trulia’s home valuation service resembled its own program too closely. Trulia countered, arguing Zillow’s patent is merely for an abstract idea
IPNews® – Zillow Inc. accused its rival real estate information website operator Trulia Inc. on Wednesday of ripping off its patented method for automatically refining home valuations based on input from homeowners and other users.
The complaint in Seattle federal court alleges that Trulia.com’s “Trulia Estimates” service introduced in September 2011 infringes a patent Zillow