Are renewal fees required to maintain a U.S. design patent in force?
No, renewal fees are not required to maintain a U.S. design patent in force, even if it originated from an international design application. This is clearly stated in MPEP 2950, which cites 37 CFR 1.1031(e): “Payment of the fees referred to in Article 17 and Rule 24 for renewing an international registration (“renewal fees”) is…
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