2026年6月19日
最后更新: 2026年6月20日
最后审查: 2026年6月20日
⚠️ 本文由纽约执业律师 刘晋雯 (Jinwen Liu, Esq.) 审阅。最后更新：June 19, 2026。
L-1跨国公司调动签证允许跨国企业将高管、经理和专业知识员工调往美国办公室。L-1A适用于高管/经理（最长7年），L-1B适用于专业知识员工（最长5年）。L-1A持有人可通过EB-1C类别申请绿卡，无需PERM劳工证。新办公室申请面临更严格审查，初始有效期仅1年，需提交全面的商业计划和实体办公场所证明。
关于作者
Jinwen Liu
Managing Attorney
Attorney Jinwen Liu is the founder of Yingzhong Law Offices in San Jose, California, with 10+ years of U.S. immigration law experience. She focuses on EB-1A extraordinary ability, NIW, EB-5 investor, and H-1B petitions, and is recognized for her strategic case framing, meticulous evidence preparation, and complex RFE defense. A former immigrant herself, she provides bilingual counsel in English and Chinese. She received legal training at the University of Texas at Austin School of Law and is a member of AILA.