Chapter V – Unity of invention
A revised version of this publication entered into force. |
In many and probably most instances, lack of unity will have been noted at the search stage. In such cases, a search is conducted for the invention first mentioned in the claims and the applicant is invited to pay additional search fees with Form PCT/ISA/206. See GL/PCT‑EPO B‑VII, 2.
See also ISPE Guidelines 10.60 for the process at the international search stage and ISPE Guidelines 10.83 for the process at the supplementary international search stage.
GL/EPO F‑V, 4 applies mutatis mutandis, with the exception of those aspects already covered above.