Thread: Notion Ink smartpad aims to be first Pixel Qi device
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Old 12-18-2009, 11:44 AM   #8
kjk
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Quote:
Originally Posted by sergiodongala View Post
Do you guys know when will the patent of e-ink finish?
Patents are for 20 years.
E Ink has over 100 patents related to e-ink, and add more every year. I'm pretty sure they started in the late 90s, so you've got a bit of a wait for even their first basic ones to expire.
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