Public use == "accessible to the public."
Briefly

by Dennis Crouch
Bottom line in this new Minerva case - file your patent application before bringing a new product to a trade show.The Old Case: The battle between Hologic and Minerva went to the US Supreme Court in 2021; with the Court retained the doctrine of assignor-estoppel that bars a patent assignor from later challenging the patent's validity or enforceability.
Read at Patently-O
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