Federal Act on the Protection of Trade Marks and Indications of Source

Any per­son who ex­hib­its goods or ser­vices bear­ing a trade mark at an of­fi­cial or of­fi­cially re­cog­nised ex­hib­i­tion un­der the Con­ven­tion of 22 Novem­ber 1928¹ Re­lat­ing to In­ter­na­tion­al Ex­hib­i­tions in a Mem­ber State of the Par­is Con­ven­tion², may claim the open­ing date of the ex­hib­i­tion for fil­ing the ap­plic­a­tion provided that the trade mark is filed with­in six months of this date.