S.D. Codified Laws § 37-6-2
Every person who intentionally forges or counterfeits any trade-mark usually fixed by any person to any goods of such person with intent to pass off any goods to which such forged or counterfeited trade-mark is affixed as to the goods of such person; or who, with intent to defraud keeps any dies, plate, or brand, or imitation of the trade-mark of any person for the purpose of counterfeiting the same or selling such trade-mark when counterfeited, or affixing the same to any goods and selling the same as genuine goods of the person entitled to the trade-mark; or who fraudulently uses the genuine trade-mark of another with intent to sell or offer for sale or disposal, any goods as genuine, which are not the original and genuine goods of the person to whom the trade-mark properly belongs; or who sells or keeps for sale any goods upon which any counterfeit trade-mark has been affixed, intended to represent such goods as the genuine goods of another, knowing the trade-mark to be counterfeited, is guilty of a Class 1 misdemeanor.
SDCL 37-6-2