A U.S. Court of Appeals for the Federal Circuit recently upheld rulings that went against Mortgage Grader, a loan shopping website that has filed a number of patent-related lawsuits. The court upheld a ruling by a lower court that found that Mortgage Grader’s claims related to the “abstract idea” of anonymous loan shopping and that the patents obtained by the firm didn’t include an “inventive concept.” Mortgage Grader filed a lawsuit in January 2013 against Costco Wholesale and ...