H-1B Work Visa
H-1B工作签证
Overview
The H-1B is the most widely used U.S. work visa, allowing American employers to hire foreign professionals in "specialty occupations." An H-1B visa is initially valid for 3 years and can be extended up to a maximum of 6 years. Each fiscal year, 65,000 regular-cap visas and 20,000 advanced-degree (Master's Cap) visas are allocated through an electronic registration lottery system. If the beneficiary has initiated the green card process during H-1B status (i.e., a PERM application is filed or the I-140 is approved), extensions beyond the 6-year limit are available under the American Competitiveness in the Twenty-First Century Act (AC21).
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Eligibility Requirements
- The applicant must hold a U.S. bachelor's degree or its foreign equivalent (or 12 years of progressive work experience as an equivalent)
- The position must qualify as a "specialty occupation" — one that typically requires at least a bachelor's degree in a specific field
- A U.S. employer must sponsor the petition and pay at least the prevailing wage as determined by the Department of Labor
- The employer must file a Labor Condition Application (LCA) with the Department of Labor (DOL)
- Common qualifying occupations include engineers, software developers, data scientists, accountants, architects, and physicians
Application Process
Electronic Registration
Each March, the employer submits an electronic registration in the USCIS system for the beneficiary, paying a $215 registration fee. USCIS conducts a random lottery selection.
Lottery Results
Results are typically announced in late March to early April. Selected registrants have a 90-day window to file the full petition.
LCA Filing
The employer files a Labor Condition Application (ETA 9035) with the Department of Labor, attesting to payment of the prevailing wage and compliance with working conditions. LCA approval usually takes 7 days.
I-129 Petition
The employer files Form I-129 with USCIS along with the complete petition package, including a support letter, credential evaluations, and an employment agreement.
Adjudication / RFE
USCIS reviews the petition and may issue a Request for Evidence (RFE). Regular processing takes approximately 3-6 months; Premium Processing guarantees a response within 15 business days.
Visa Stamping / Entry
Once approved, applicants outside the U.S. must attend a consular interview. Those in the U.S. in valid status may change status without departing.
Timeline Reference
| Stage | Estimated Duration |
|---|---|
| Electronic Registration | March each year (~2-week window) |
| Lottery Results | Late March – Early April |
| Filing Window | April 1 – June 30 |
| Regular Processing | 3–6 months |
| Premium Processing | 15 business days |
| Visa Effective Date | October 1 |
FAQ
What should I do if I am not selected in the H-1B lottery?
Consider alternatives such as the O-1 visa (for individuals with extraordinary ability — no annual cap), the L-1 visa (if you have a qualifying foreign affiliate), a cap-exempt employer (universities or nonprofit research organizations), continuing on OPT/STEM OPT and re-entering the lottery the following year, or filing directly for an EB-1A or NIW green card.
Can I change employers on H-1B?
Yes, through an H-1B Transfer. The new employer files a new I-129 petition — no new lottery registration is required. Under the portability rule, you may begin working for the new employer as soon as the transfer petition is received by USCIS.
What is the maximum duration of H-1B status?
The initial period of stay is 3 years, extendable for an additional 3 years, for a maximum of 6 years. If a PERM application has been filed or an I-140 approved, extensions beyond the 6-year limit are permitted under Section 106 of the AC21 Act.
Can an H-1B spouse work in the United States?
H-4 dependents are generally not authorized to work. However, if the H-1B holder's I-140 has been approved, the H-4 spouse may apply for an H-4 Employment Authorization Document (EAD).
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