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Old 02-28-2011, 12:36 PM   #10 (permalink)
jamesqf
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Quote:
Originally Posted by TomO View Post
So does this mean that GM has to pay royalties to Porsche over the Chevy Volt now?
No, because the lifetime of a (US) patent is only 20 years.

Indeed, it's just the opposite: GM might not be able to validly patent certain parts of the Volt because Porsche had already done them, making it "prior art".
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