i。通用调查...................................................................................... 355 II。Acquired Distinctiveness Surveys ....................... 356 iii.混乱调查...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................False Endorsement Surveys ................................ 361 v. Surveys to Document Trademark Uses by Defendants ........................................................... 365 vi.Materiality Surveys ............................................. 367 vii.Secondary Source Surveys ................................... 368 b.Monetary Relief Experts ............................................. 368 c. USPTO实践专家.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................Discoverability and Admissibility of Other Evidence and Testimony ................................................................. 374 a.Enforcement of Subpoenas Issued in Trademark Trial and Appeal Board Proceedings .......................... 374 b.司法通知............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 375 c。第三方使用...................................................................................................... 376 d。第三方侵权的原告知识..................................................................................................................................................................................................................................................................... 376 e。外行证人证词.................................................................................... 377 f。未公开证人的证词...................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Cease-and-Desist Letters ............................................ 378 h.先前的不良行为....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 379 i。Other Evidence............................................................ 379