Los Angeles-based electronic FAX service provider j2 Global Communications said this morning that it has filed three, separate patent infringement suits. j2 Global announced that it has sued Protus IP Solutions INc., Captaris Inc. and EasyLink Services International Corporation. All of the suits allege patent infringement on two of j2's patents, covering what j2 says are described as “Scalable Architecture for Transmission of Messages over a Network.” The lawsuits were filed in the U.S. District Court of the Eastern District of Texas. In all of the cases, j2 Global is looking for monetary damages and injunctive relief from the firms. The new lawsuits come in addition to outstanding patent infringement lawsuits against both Protus and Captaris. The patents in question are U.S. Patent Numbers 6,597,688 and 7,020,132.