15 years
- What are the requirements for US design application documents
- Is a US design application eligible for DAS?
- Novelty Grace Period for U.S. Invention Patent Application
- US design authorization and annual fee instructions
- What are the requirements for the US invention patent application documents
- How long is the PCT period for US invention patent application?
- US Invention Patent Application Authorization and Annual Fee Instructions
- Can the priority right of a U.S. invention patent application be restored?
- Is it possible to apply for a combined appearance in a U.S. industrial design application?
- How long is the protection period of American industrial design?