Who files provisional applications in the United States?

Chen, Chi-TungChi-TungChenDAR-ZEN CHEN2021-11-042021-11-042015https://scholars.lib.ntu.edu.tw/handle/123456789/586180https://www.scopus.com/inward/record.uri?eid=2-s2.0-84991108276&partnerID=40&md5=55a3c2645ac271c91af13a6198646d71Istanbul, TurkeyWho files provisional applications in the United States?conference paper2-s2.0-84991108276