A skilled person does not apply a technical teachingteaching, technical from a document exactly as described. Instead, they adapt it according to the specific circumstances and their expert knowledgeexpert knowledge and expertiseexpertise. Even in entirely routine activities, modifications arise that the technician arrives at through the application of their prior knowledge and experience. These modifications, which routinely occur to the skilled person, do not merit legal protection. Instead, a legal free space should exist here so as not to impede the normal professional activity of a skilled person.