Lisa SchweitzerBay Ledger News Zonebill@blnz.comtag:www.blnz.com,2009:people/lisa_schweitzerCourts OK Nortel patent sale to Apple/RIM grouptag:www.blnz.com,2009:2011/07/11/Courts_approve_Nortel_patent_sale_d46fWILMINGTON, Delaware (Reuters) - Apple Inc, Microsoft Corp, Research in Motion Ltd and three other leading tech companies received court approval on Monday to buy wireless patents from bankrupt Nortel Networks Corp for $4.5 billion.2011-07-11T21:10:02ZReuters US Online Report Technology NewsTom Hals