"Knockoffs are a plague on small businesses, that costs them time, money and may put them out of business," Mark Cuban wrote in an X post on Wednesday.Kevork Djansezian via Getty Images; Peter Zay/Anadolu via Getty ImagesMark Cuban says he's talking to the Harris campaign about combating Chinese knockoffs.Cuban said knockoffs are a "plague on small businesses" and "may put them out of business."The "Shark Tank" star is soliciting suggestions on tackling counterfeiters on X.Billionaire investor Mark Cuban says he's working with Vice President Kamala Harris' campaign to find ways to protect American companies from Chinese knockoffs.In an X post on Wednesday, Cuban said he "had an interesting conversation with the @KamalaHarris team about protecting American companies from Chinese Knockoffs.""Knockoffs are a plague on small businesses, that costs them time, money and may put them out of business.