Method of producing wire inlaid on a support and inlaid wire obtained. The invention relates to an antenna for radiofrequency transponder, said antenna comprising conducting wire portions which are to a major extent inlaid and conducting wire portions which are to a minor extent non-inlaid on a plane support. The antenna is characterized in that said wire portions which are to a minor extent non-inlaid extend over or cross at least one favoured fold line and/or one fold line predefined according to a standardized folding resistance test. The invention also relates to a portable electronic object comprising said antenna and a corresponding method of production.