Richard A. Williamson[NPE] filed suit against DimDim and Salesforce over a patent related to distance-learning applications. The complaint is currently unavailable. Williamson has filed four prior suits since November 2002 against more than 20 defendants, including Adobe, AT&T, Cisco, Citrix, IBM, Microsoft, Salesforce, and Verizon. Blackboard filed an action for declaratory judgment against Williamson and At Home Bondholders’ Liquidating Trust on May 20, 2012. The patent-in-suit originated with At Home Corporation, and At Home Bondholders’ Liquidating Trust is listed as the current assignee according to the PTO. Regarding an earlier suit against AT&T and Verizon, Bloomberg reported that Williamson is the trustee for At Home. 7/2, Central District of California, assigned to Judge George H. King and referred to Magistrate Judge Carla Woehrle, 2:2012cv05701.
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