464. The skilled addressee.

To anticipate a later invention, a publication must contain an enabling disclosure1. The notional 'person skilled in the art' to whom the prior publication and the specification are deemed to be addressed is the skilled man reasonably versed in the art in question and who has the common general knowledge in relation to that art2. He is assumed to be of standard competence, well acquainted with workshop technique, but without being of an imaginative or inventive turn of mind and who has carefully read the relevant literature