2-3 years
- US Invention Patent Application Authorization and Annual Fee Instructions
- How long is the deadline for US industrial design application
- Can the priority right of a U.S. invention patent application be restored?
- How long does it take for a US invention patent application to be granted?
- What are the requirements for the US invention patent application documents
- How long is the protection period of the US invention patent application
- Features of the U.S. invention patent application process
- How long is the protection period of American industrial design?
- Whether the US invention patent application can be DAS
- Which is the competent authority for US invention patent applications?