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A comment on With EFF’s help, language teacher responds to threat over ‘invalid’ patent. Parent comment

Re:With EFF’s help, language teacher responds to threat over... by coldseattle on Wednesday July 04, 2018 @12:06AM (#17455205)
There are some very popular consumer products like Dyson fans and vacuums that enjoy patent protection. They've expanded the market and spurred new innovation in a stale market.
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