20 years. Pharmaceutical invention patents have supplementary protection certificates (Supplementary protection certificates, SPC), which can extend the protection period for 5 years.
- Features of the UK design patent application process
- How long is the deadline for UK industrial design application
- How long is the PCT period for UK invention patent application
- How long does it take for a UK invention patent application to be granted?
- Novelty Grace Period for UK Invention Patent Application
- How long is the protection period of the UK invention patent application
- What are the requirements for UK design application documents?
- Whether the UK invention patent application can be type-converted
- Explanation of British Design Authorization and Annual Fee
- Novelty grace period for UK industrial design applications