Our Services
Covering major US immigration visa types, from work visas to investment immigration, providing professional legal services for individuals and businesses
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H-1B Work Visa
H-1B工作签证
Comprehensive H-1B visa services for employers and professionals, including lottery registration, filing, extensions, and transfers.
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
H-1BSpecialty OccupationLCAI-129Premium ProcessingCap-Exempt
FAQ
QWhat should I do if I am not selected in the H-1B lottery?
QCan I change employers on H-1B?
Service Details
- 抽签注册H-1B lotteryH1B抽签电子注册H-1B processing time
- 新申请递交H-1B applicationH-1B requirementsH-1B salary requirements
- Transfer转换H-1B transfer换雇主无需重新抽签
- Amendment修改工作地点变更职位变更
- Extension延期H-1B extensionH-1B beyond 6 yearsH-1B to green card
- H-1B加急处理premium processing15个工作日H-1B approval rate
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L-1 Intracompany Transfer
L-1跨国公司调派
Transfer managers and specialized knowledge employees from overseas offices to US subsidiaries.
Document Preparation
2–4 weeks
Regular Processing
3–5 months
Premium Processing
15 business days
L-1A Maximum Stay
Up to 7 years
L-1AL-1BSpecialized KnowledgeNew OfficeBlanket L-1EB-1C
FAQ
QWhat is the difference between L-1 and H-1B?
QCan an L-1A holder apply directly for a green card?
Service Details
- L-1A管理人员L-1A visa跨国经理最长7年L-1 to green card
- L-1B专业技术人员L-1B visa专业知识最长5年
- 新公司设立L-1 new office美国开公司商业计划书
- 续签延期L-1 extensionBlanket L-1L-1 processing time
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EB-5 Investment Immigration
EB-5投资移民
Obtain US permanent residency through investment, with full-service support from project selection to I-526E/I-485 filing.
Project Selection + Fund Preparation
1–3 months
I-526E Adjudication
12–24 months
NVC / Consular Processing
6–12 months (if no concurrent filing)
Conditional Green Card
2 years
EB-5I-526EI-829I-485Regional CenterTEA
FAQ
QCan I file Form I-526E and I-485 concurrently?
QCan borrowed funds be used for the EB-5 investment?
Service Details
- I-526E申请EB-5 investmentEB-5 requirementsEB5投资移民
- I-485身份调整EB-5 concurrent filingEAD工卡adjustment of status
- NVC签证处理EB-5 processing timeDS-260领事面签
- I-829解除条件remove conditionsEB-5 green card2年转永久
- 区域中心项目regional centerEB-5 rural areaEB5排期
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EB-1A Extraordinary Ability
EB-1A杰出人才
Green card for individuals with extraordinary ability across all fields — no employer sponsorship required.
Evidence Preparation
2–4 months
Regular Processing
6–12 months
Premium Processing
15 business days
RFE Response Deadline
Within 87 days
EB-1AExtraordinary AbilityI-140Kazarian8 C.F.R. § 204.5(h)(3)Self-Petition
FAQ
QDoes EB-1A require employer sponsorship?
QCan I qualify for EB-1A without a major award?
Service Details
- 资质评估EB-1A criteriaEB-1A requirementsEB1A杰出人才免费评估
- 材料准备EB-1A recommendation letterEB-1A evidence推荐信self petition
- RFE回复EB-1A RFE补件通知EB-1A approval rate
- 加急处理EB-1A premium processing15个工作日EB-1A processing time
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O-1 Visa
O-1杰出人才签证
O-1A/O-1B visa services for individuals with extraordinary ability in arts, sciences, business, and more.
Document Preparation
2–6 weeks
Advisory Opinion
2–4 weeks
Regular Processing
3–5 months
Premium Processing
15 business days
O-1AO-1BAdvisory OpinionAgentI-129Extraordinary Achievement
FAQ
QWhat is the difference between O-1 and H-1B?
QAre the O-1 and EB-1A standards the same?
Service Details
- O-1A科学/商业O-1 visa requirementsO1签证无名额限制O-1 vs H-1B
- O-1B艺术/影视O-1B visa艺术家签证O-1 approval rate
- 延期续签O-1 extensionO-1 processing time无次数限制
- O-1转绿卡O-1 to green cardO-1 to EB-1AH-1B alternative
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NIW National Interest Waiver
NIW国家利益豁免
Self-petition green card without labor certification or employer sponsorship, based on professional achievements.
Evidence Preparation
2–4 months
Regular Processing
6–12 months
Premium Processing
15 business days
EB-2 Visa Backlog
Depends on country and priority date
NIWNational Interest WaiverDhanasarI-140PERMSelf-Petition
FAQ
QDoes NIW require employer sponsorship?
QHow many recommendation letters are needed? What should they cover?
Service Details
- 资质评估EB-2 NIWNIW requirementsNIW国家利益豁免self petition
- Dhanasar三步测试NIW three prong test国家重要性NIW for STEM
- 材料策略NIW recommendation letter独立推荐人NIW approval rate
- RFE应对NIW RFENIW processing time补件回复
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Marriage Green Card
婚姻绿卡
Green card application services for spouses of US citizens and permanent residents.
I-130 + I-485 Concurrent (Citizen spouse, in U.S.)
12–18 months
I-130 + NVC (Citizen spouse, abroad)
12–24 months
LPR Spouse (F2A category)
May require visa backlog wait
I-751 Adjudication
12–24 months
I-130I-485I-751Marriage Green CardConditional ResidenceImmediate Relative
FAQ
QWhat questions will be asked at the interview?
QCan I file I-751 if I am divorced?
Service Details
- I-130亲属移民marriage green card婚姻绿卡I-130 processing time
- I-485身份调整adjustment of statusconcurrent filingEAD工卡
- 面试准备green card interview绿卡面试marriage green card documents
- I-751解除条件remove conditionsconditional green card离婚豁免
- 2转10年绿卡marriage green card timelinebona fide marriage配偶绿卡
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PERM Labor Certification
PERM劳工证
Labor certification process paving the way for EB-2/EB-3 employment-based green cards.
PWD Request
6–8 months
Recruitment Process
2–3 months
ETA 9089 Adjudication
6–12 months
Audit Response (If Selected)
Additional 3–6 months
PERMETA 9089PWDPrevailing WageLabor CertificationEB-2
FAQ
QCan I change jobs during the PERM process?
QWhen is PERM not required?
Service Details
- PWD申请prevailing wagePERM processing timePERM劳工证
- 招聘流程PERM recruitmentPERM processlabor certification
- PERM申请PERM applicationPERM auditPERM to green card
- I-140申请I-140priority date绿卡排期
- EB-2/EB-3EB-2 green cardEB-3 green cardEB-2 vs EB-3