Companies Considering Purchase of Yahoo! Excalibur Patent Portfolio Face Major Risk

Today, TurboPatent released a Yahoo! TurboPatent Portfolio Report. The 150 page analysis of more than 2,600 technical patents in the Yahoo! Excalibur patent portfolio shows that a higher than average portion may be invalid, unenforceable or have little market value. According to the report and 50,000 pages of supporting data, 44 percent of the patents in the Excalibur portfolio have high severity issues. Such issues could prevent the patents from being enforced or defended.

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