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by analog31 450 days ago
If it can't be reduced to practice, then it's a vanity patent, but also, impossible to violate.
1 comments

A patent application is a constructive reduction to practice. MPEP 2138.05. https://www.uspto.gov/web/offices/pac/mpep/s2138.html#:~:tex...
Indeed, but a constructive reduction to practice means that the inventor still has to describe how it can be done. And if it's impossible, then it's not a reduction to practice, just an invalid patent.