IPNews® – The Federal Circuit on Wednesday reversed a Maryland district court’s ruling that Microsoft Inc., Yahoo! Inc. and other software companies did not infringe a patent for a paging system held by Technology Patents LLC.

The appeals court simultaneously affirmed the district court’s decision in favor of a large number of domestic and foreign cell phone companies in the case, including AT&T, T-Mobile, Sprint, Motorola and Vodaphone. TPL sued over 100 companies asserting its rights in the patent in 2007. To continue reading, click: Microsoft, Yahoo Must Face Paging Patent Claims, Federal Circuit Says