Ind. Code § 24-2-1-11
(a) The secretary may adopt rules under IC 4-22-2 to establish:
(2) a single electronic application for registration of a mark that:
(C) must indicate the appropriate class or classes of the goods or services.
To the extent practical, the classification of goods or services should conform to the classification of goods or services adopted by the United States Patent and Trademark Office.
(b) If a single electronic application includes goods or services that fall within multiple classes, the secretary may require payment of a fee for each class.
Formerly: Acts 1955, c.174, s.11; Acts 1959, c.256, s.5. As amended by P.L.152-1986, SEC.30; P.L.135-2006, SEC.13; P.L.128-2017, SEC.8; P.L.59-2018, SEC.7.