20 years. Pharmaceutical invention patents have supplementary protection certificates (Supplementary protection certificates, SPC), which can extend the protection period for 5 years.
- UK Invention Patent Application Authorization and Annual Fee Instructions
- How long is the protection period of industrial design in UK?
- How long does it take to authorize an industrial design in the UK?
- Features of the UK design patent application process
- Which is the competent authority for UK invention patent applications?
- How long does it take for a UK invention patent application to be granted?
- Whether a UK industrial design application can apply for a combined appearance
- Can the priority right of UK invention patent application be restored?
- Explanation of British Design Authorization and Annual Fee
- Whether the UK invention patent application can be type-converted