The Intellectual Property Office of Singapore has assured Aupen that its existing trademark on its register remains valid. SINGAPORE: The Intellectual Property Office of Singapore (IPOS) said on Tuesday (Sep 9) that it offered assistance to Singapore fashion brand Aupen amid a potential trademark dispute with American retail giant Target . In response to CNA's queries, IPOS said that it initiated contact with Aupen and met with them on Sep 1 after learning of the matter, adding that it "is not