This revised version of the Guidelines for Examination will apply as from 1 November 2015. Until then, the September 2014 edition of the Guidelines remains valid.

1. Basic requirements

There are four basic requirements for patentability:

there must be an "invention", belonging to any field of technology (see G‑II);
the invention must be "susceptible of industrial application" (see G‑III);
the invention must be "new" (see G‑IV to VI); and
the invention must involve an "inventive step" (see G‑VII).

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