Section 146

Any person who uses a designation on items or on their packaging which is likely to create the impression that the items concerned are protected by a patent or patent application pursuant to this Act or any person who in public advertisements, on signboards, on compliment slips or in similar acts of communication uses a designation of such nature is obliged, on demand, to provide information regarding the patent or the patent application upon which use of the designation is based to any person having a legitimate interest in knowing the legal situation.