20 years. Pharmaceutical invention patents have supplementary protection certificates (Supplementary protection certificates, SPC), which can extend the protection period for 5 years.
- How long is the PCT period for UK invention patent application
- What are the requirements for UK design application documents?
- Can the priority right of UK invention patent application be restored?
- Novelty grace period for UK industrial design applications
- Features of the UK invention patent application process
- Is a UK design application eligible for DAS?
- Features of the UK design patent application process
- How long is the deadline for UK industrial design application
- How long does it take for a UK invention patent application to be granted?
- Whether the UK invention patent application can be type-converted