4.1. General principles

It must be possible to reproduce a claimed step using the original application documents without any inventive effort over and above the ordinary skills of a practitioner (T 10/86). Where an applicant did not furnish details of the production process in the description in order to prevent the invention from being copied easily and the missing information could not be supplied from the general knowledge of a person skilled in the art, the invention was held to be insufficiently disclosed (T 219/85, OJ 1986, 376).

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