SAN FRANCISCO — Lawyers and district court judges hoping the Federal Circuit U.S. Court of Appeals would provide more clarity about what types of business methods can be patented will have to wait a little longer.

Earlier this month the appeals court invalidated four database patents held by GraphOn Corp. and asserted in California against MySpace Inc. and Craigslist. The judges also said in their order that they “continue to disagree vigorously over what is or is not patentable subject matter.”

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