Tuoteen
Tuoteen is a form that appears in discussions of the Finnish noun tuote, which means product. In standard Finnish, the genitive singular of tuote is tuotteen, used to indicate possession or association, as in tuotteen laatu (“the quality of the product”). The form tuoteen is not a standard inflection in modern Finnish and does not appear in the official grammar of Finnish.
Tuoteen is generally considered nonstandard in contemporary Finnish. It is not listed as a correct genitive
To form correct possessive constructions with tuote, the standard genitive singular tuotteen is used, for example:
Finnish grammar, noun cases, genitive in Finnish, list of common noun declensions.