January 06 2026 Danish chemist's invention could make counterfeiting a thing of the past Every year, companies lose billions of kroner when goods are copied or illegally resold. Thomas Just Sørensen, a chemist at the University of Copenhagen, has invented a unique solution to combat the problem of counterfeiting. Contact Thomas Just Sørensen, Professor Kemisk InstitutKøbenhavns UniversitetMail: tjs@chem.ku.dkPhone: +4528569557