On November 9th 2010, Personal Voice Freedom (PVF) filed an infringment suit against YMAX Corp. as well as its subsidiaries magicJack LP and TigerJet Network Inc. In an effort to fight off the case, magicJack filed for a reexamination of the asserted patent, US 7,336,654 with the United States Patent and Trademark Office (USPTO) in November of 2011. The patent was reissued with amended claims and magicJack has subsequently appeared to enter a settlement agreement with PVF.
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