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