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A comment on Facebook has been granted patent on shadow banning. Parent comment

Re:Facebook has been granted patent on shadow banning by patentatt on Thursday August 08, 2019 @06:58PM (#20649757)
The fact that there were several rejections before allowance is entirely, 100% mundane and normal. This is how patent prosecution works.
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Re:Facebook has been granted patent on shadow banning by readams on Thursday August 08, 2019 @08:54PM (#20650415)
Yes this happens on essentially every patent a you start absurdly broad and winnow the scope in response to the rejections.
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