In reviewing ITC docs, there was a letter to Amazon in which an amount was given for accrued royalty exposure as of 2007.
Exhibit 7
Letter dated Oct 15, 2007 to Amazon from Roy Maharaj, VP Licensing (Alliacense)
…Amazon.com‘s activity is generating massive liability and is a very serious matter for Amazon.com Management and Shareholders. Our preliminary research indicates Amazon.com
has already accrued approximately $130M of royalty exposure for past damages under the MMP Portfolio.