By Ryan Davis Law360, New York (December 23, 2014, 4:53 PM ET) -- Patent risk management firm RPX Corp. on Tuesday agreed to pay $900 million to purchase about 4,000 patents owned by Rockstar Consortium Inc., the licensing group backed by tech giants including Apple Inc. and Microsoft Inc. that bought patents from bankrupt Nortel Networks Corp., then sued Google Inc. and others for infringement.

Rockstar was formed in 2011 by Apple, Microsoft, BlackBerry Ltd., Ericsson Inc. and Sony Corp. to purchase Nortel's 6,000 patents for $4.5 billion. RPX said Tuesday that the consortium members have distributed 2,000 of...

https://www.law360.com/technology/articles/607302/rockstar-sells-off-4-000-patents-to-rpx-for-900m