您好，我今年7月从英国艺术学校毕业，，想去美国工作。来不及准备H1B了，请问o1签证有申请时间限制吗？中签几率大吗？

O1申请比H1B申请灵活一些，没有时间限制。但是O1申请需要准备的材料相对多一些。

O1申请需要证明申请人在自己所在的领域有较高的杰出性，如果只是简单的参加了一些学校的活动和奖项，应该是不够的。需要有社会上的奖项和媒体的报道，以及推荐人的推荐才行。

移民局对于O1的要求如下

Evidentiary Criteria for O-1A

Evidence that the beneficiary has received a major, internationally-recognized award, such as a Nobel Prize, or evidence of at least (3) three of the following:

Receipt of nationally or internationally recognized prizes or awards for excellence in the field of endeavorMembership in associations in the field for which classification is sought which require outstanding achievements, as judged by recognized national or international experts in the fieldPublished material in professional or major trade publications, newspapers or other major media about the beneficiary and the beneficiary’s work in the field for which classification is soughtOriginal scientific, scholarly, or business-related contributions of major significance in the fieldAuthorship of scholarly articles in professional journals or other major media in the field for which classification is soughtA high salary or other remuneration for services as evidenced by contracts or other reliable evidenceParticipation on a panel, or individually, as a judge of the work of others in the same or in a field of specialization allied to that field for which classification is soughtEmployment in a critical or essential capacity for organizations and establishments that have a distinguished reputation

If the above criteria do not readily apply to the beneficiary’s occupation, the petitioner may submit comparable evidence in order to establish the beneficiary’s eligibility.

Evidentiary Criteria for O-1B

Evidence that the beneficiary has received, or been nominated for, significant national or international awards or prizes in the particular field, such as an Academy Award, Emmy, Grammy or Director's Guild Award, or evidence of at least (3) three of the following:

Performedand will perform services as a lead or starring participant in productions or events which have a distinguished reputation as evidenced by critical reviews, advertisements, publicity releases, publications, contracts or endorsementsAchieved national or international recognition for achievements, as shown by critical reviews or other published materials by or about the beneficiary in major newspapers, trade journals, magazines, or other publicationsPerformedand will perform in a lead, starring, or critical role for organizations and establishments that have a distinguished reputation as evidenced by articles in newspapers, trade journals, publications, or testimonials.A record of major commercial or critically acclaimed successes, as shown by such indicators as title, rating or standing in the field, box office receipts, motion picture or television ratings and other occupational achievements reported in trade journals, major newspapers or other publicationsReceived significant recognition for achievements from organizations, critics, government agencies or other recognized experts in the field in which the beneficiary is engaged, with the testimonials clearly indicating the author's authority, expertise and knowledge of the beneficiary's achievementsA high salary or other substantial remuneration for services in relation to others in the field, as shown by contracts or other reliable evidence

If the abovestandards do not readily apply to the beneficiary’s occupation in the arts, the petitioner may submit comparable evidence in order to establish eligibility (this exception does not apply to the motion picture or television industry).