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Bruce Sunstein, co-founder of Boston-based IP law firm Bromberg and Sunstein said the mere fact that AMD is willing to license and invest in Patriot could signify just enough that the patents are valid.

``My guess is that there could be some `there` there,`` Sustein said. ``AMD thought enough about the portfolio because they thought it would succeed. They would probably rather an expense of a license to show up on their balance sheet as an investment rather than a license payout.``

Sustein also noted that AMD is no friend of Intel and by helping the Patriot people, they could make life more difficult for Intel.