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A comment on Inventor says Google is patenting work he put in the public domain. Parent comment

Re:Inventor says Google is patenting work he put in the publ... by tacon on Sunday June 10, 2018 @10:44AM (#17278335)
No, the way to protect yourself is to disclose anything you don't want to patent, but don't want patented against yourself. IBM had a great system for several decades[0]:

[0] https://en.wikipedia.org/wiki/IBM_Technical_Disclosure_Bulle...

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Re:Inventor says Google is patenting work he put in the publ... by mcbits on Sunday June 10, 2018 @11:18AM (#17278492)
That establishes prior art for X, but X+2 would still potentially infringe on X+1 and they'd have no leverage for negotiating a license. Except they're still one of the biggest patent spammers, so they probably do have leverage in the portfolio somewhere.
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