Answer: Hello, yes, as long as you register this trademark in both office supplies and clothing categories, you can use one trademark on two projects at the same time. Office supplies belong to the 16th category in the trademark classification, clothing belongs to the 25th category in the trademark classification, category 16 paper and cardboard, paper and cardboard products not falling into other categories; printed matter; binding supplies; photos; stationery ; Stationery or household adhesives; art supplies; paintbrushes; typewriters and office supplies (other than furniture); educational or teaching supplies (other than instruments); plastic articles for packaging (not included in other classes); printing type; printing plates. Class 25 Clothing, shoes and hats.