
(Update: shortly after this blog post, a nice person at the USPTO got in touch.)
Today, the USPTO quietly fixed Patent Center bug CP31. For more than three years, this bug was a trap for the unwary user (blog article, June 23, 2020). The user who made the mistake of checking for outgoing correspondence using Patent Center rather than PAIR ran the risk of malpractice in two distinct ways:
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- If the user were to check for outgoing correspondence on a Monday or a Tuesday, the Patent Center report would always state that there is no outgoing correspondence even if, in truth, there was outgoing correspondence.
- On other days of the week, on average the Patent Center report would be missing about 11% of the user’s outgoing correspondence.
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