Fed. Circ. Ruling Invalidates Zillow Patent, Rival Says

Law360, Los Angeles (June 18, 2013, 4:23 PM EDT) -- Real estate website operator  Trulia Inc. asked a Washington federal judge on Monday to nix a lawsuit accusing it of infringing the patent for competitor Zillow Inc.'s home valuation service, arguing that a recent Federal Circuit ruling renders Zillow's abstract idea patent-ineligible.

Zillow's real estate valuation service, U.S. Patent Number 7,970,674 B2, could be performed without using a computer and, taken as a whole, the claims involve routine and conventional activity relating to real estate appraisal, Trulia claims. The claims describe only generic computing elements incidental...
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