Huawei Technologies HWT.UL, Nokia Corporation (000063.SZ), ZTE (NOK1V.HE) does not infringe patents owned phone company InterDigital (IDCC.O), the U.S. International Trade Commission judge said in a preliminary decision on Friday .
U.S. International Trade Commission's final decision in the case is expected to be released in October.
InterDigital patents authorized purchase, accused the company of infringing seven patents for 3G wireless devices. These patents cover power protection, and to ensure that the correct data into the correct recipient, as well as other technologies.
LG was originally part of the case, but by the United States International Trade Commission on the basis that it has a proper arbitration claims by LG is deleted. U.S. Federal Circuit Court of Appeals disagreed, unresolved issues.
InterDigital requirements ITC ban on U.S. sales, the three companies for 3G wireless mobile devices. While many parts of the world to move to 4G, 3G is still widely used.
ITC is a quasi-judicial federal agency, a popular venue for patent fights because its docket moves fairly quickly, it can be ordered to prohibit the sale of any device for patent infringement.
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