How to Apply for EB-1A · 如何申请 EB-1A
杰出能力移民绿卡
Extraordinary ability immigration for scientists, artists, educators, business leaders, and athletes.
为科学家、艺术家、教育工作者、商界领袖及运动员申请杰出能力移民绿卡。
The EB-1A immigrant visa is for individuals with extraordinary ability in their field. Applicants must show sustained national or international acclaim. Evidence may include major awards, media coverage, publications, judging experience, original contributions, high salary, leading roles, or memberships. A strong petition explains why the applicant stands among the small percentage at the top of their field — not merely listing achievements.
EB-1A移民签证适用于在本领域具有杰出能力的人士。申请人须证明持续获得全国或国际认可。证据可包括重要奖项、媒体报道、出版物、评审经验、原创贡献、高薪、领导职务或专业会员资格。
How to Apply for EB-1C · 如何申请 EB-1C
跨国高管移民绿卡
Green cards for multinational executives and managers seeking permanent U.S. residence.
为寻求美国永久居留的跨国公司高管及经理申请绿卡。
EB-1C requires a qualifying U.S. employer to file the petition. The beneficiary must work in a primarily executive or managerial capacity. USCIS requires a qualifying relationship between the U.S. and foreign companies, plus a permanent job offer. Strong petitions document executive or managerial duties abroad and in the U.S., along with company structure, staffing, operations, revenue, and ability to support the claimed role.
EB-1C需由符合条件的美国雇主提交申请。受益人须担任主要为行政或管理职务，美国公司与外国公司须具备合格关系。
National Interest Waiver (NIW) · 国家利益豁免
无需雇主担保的绿卡途径
Permanent residence without an employer sponsor for researchers, entrepreneurs, and professionals.
研究人员、创业者及专业人士无需雇主担保即可申请永久居留。
NIW allows professionals to apply for permanent residence without an employer sponsor or labor certification. Applicants must show substantial merit, national importance, and that they are well-positioned to advance their proposed endeavor. Supporting evidence may include education, publications, business plans, expert letters, patents, funding, and proof of practical impact.
NIW允许专业人士无需雇主担保或劳工证明申请永久居留。申请人须证明其工作具有重要价值、国家利益，且有能力推进所提议的事业。
How to Apply for H-1B · 如何申请 H-1B
专业技术人员工作签证
Specialty occupation work visas for professionals in technology, engineering, finance, and more.
为科技、工程、金融等领域的专业人士申请特殊职业工作签证。
H-1B allows U.S. employers to sponsor foreign professionals for specialty occupations typically requiring a bachelor's degree. The process requires employer sponsorship, a qualifying job offer, a Labor Condition Application, and a USCIS petition. Many H-1B cases are subject to the annual cap and lottery. Timing, job description, wage level, degree-field connection, and employer documentation are all critical.
H-1B允许美国雇主为通常需要学士学位的特殊职业外国专业人士提供担保。许多H-1B案件须参加年度配额抽签，申请时机、职位描述、工资水平及学位相关性均至关重要。
How to Apply for L-1 Visa · 如何申请 L-1 签证
跨国公司内部调动签证
Intra-company transferees — executives, managers, and specialized knowledge employees.
跨国公司内部调动签证，适用于高管、经理及专业知识员工。
L-1 is for multinationals transferring executives, managers, or specialized knowledge employees from a foreign to a U.S. office. The U.S. and foreign companies must have a qualifying relationship (parent, subsidiary, affiliate, or branch). The employee must have worked for the related foreign company for at least one qualifying period. Strong petitions explain the corporate relationship, the prior role, the proposed U.S. position, and the business purpose of the transfer.
L-1适用于跨国公司将高管、经理或专业知识员工从境外调往美国的情况。美国及境外公司须具有母公司、子公司、关联公司或分支机构关系。
How to Apply for O-1 Visa · 如何申请 O-1
杰出才能非移民签证
Extraordinary ability visas for science, arts, education, business, athletics, and entertainment.
为科学、艺术、教育、商业、体育及娱乐领域的杰出才能人士申请签证。
O-1 is a nonimmigrant visa for individuals with extraordinary ability or achievement. It requires a U.S. petitioner or agent, a detailed employment agreement or itinerary, an advisory opinion where required, and evidence of extraordinary ability. Supporting documents may include awards, press coverage, critical roles, expert letters, publications, commercial success, judging work, or other proof of professional distinction.
O-1是为具有杰出能力或成就的人士设立的非移民签证。需要美国申请人或代理人、详细的雇佣协议或行程安排、咨询意见（如适用）及杰出能力证明。
Applying for E Visas (E-1 / E-2) · 如何申请 E 类签证
条约商人及投资者签证
Treaty trader and investor visas for nationals of qualifying treaty countries.
为具有资格条约国国民申请条约商人及投资者签证。
E visas are available to treaty traders, investors, and essential employees from qualifying treaty countries. E-1 is for substantial trade; E-2 is for investors making a substantial investment in a real and operating U.S. business. A strong application documents treaty nationality, ownership structure, source of funds, investment amount, business operations, business plan, job creation potential, and the applicant's role.
E类签证适用于来自资格条约国的条约商人、投资者及关键员工。E-1适用于大量贸易；E-2适用于在真实运营的美国企业中进行实质性投资的投资者。
How to Maintain F-1 Status · 如何维持 F-1 身份
留学生身份维持要求
Key rules for international students to remain in legal status and avoid violations.
国际学生维持合法身份、避免违规的关键规定。
F-1 students must attend the school on their I-20, maintain a full course load unless the DSO approves a reduction, keep passport and I-20 valid, update address on time, and consult the DSO before major changes. Unauthorized employment is one of the most serious violations. On-campus work may be permitted within limits; off-campus work usually requires prior authorization such as CPT, OPT, or STEM OPT.
F-1学生须就读I-20上注明的学校，除非学生事务官批准，否则须保持满课程量，并须定期更新地址及护照有效期。未经授权工作是最严重的违规行为之一。
Adjustment of Status & Change of Status · 身份调整及身份转换
在美国内申请绿卡或更换签证类别
Applying for green cards or changing visa categories without leaving the United States.
在美国境内申请绿卡或更换签证类别，无需出境。
Adjustment of status allows eligible applicants in the U.S. to apply for a green card without consular processing abroad. Applicants must prove statutory eligibility and merit a favorable exercise of discretion. Key issues include lawful admission, visa availability, maintenance of status, unauthorized employment, criminal history, and completeness of medical and financial documentation. Change of status allows switching from one nonimmigrant category to another without leaving the country.
身份调整允许在美的符合条件申请人无需赴领事馆申请绿卡。身份转换则允许在不出境的情况下从一种非移民类别转换为另一种类别。
How to Sponsor Family Members · 如何为家庭成员申请移民
亲属移民申请指南
Family-based immigration for spouses, parents, children, and siblings.
为配偶、父母、子女及兄弟姐妹申请基于家庭关系的移民。
U.S. citizens and lawful permanent residents may sponsor certain family members. Eligible relationships include spouses, parents, children, siblings of U.S. citizens, and certain sons and daughters. The process begins with a family-based immigrant petition. Depending on the category, the beneficiary may adjust status inside the U.S. or proceed through consular processing abroad once a visa number is available.
美国公民和合法永久居民可为特定家庭成员提供担保。资格包括美国公民的配偶、父母、子女及兄弟姐妹等。申请流程从提交亲属移民申请开始。
California Eviction Law · 加州房东驱逐法律
加州非法占用诉讼程序
Landlord rights, tenant protections, and the unlawful detainer process in California.
加州房东权利、租户保护及非法占用诉讼程序。
Evicting a tenant in California requires strict compliance with state and local laws. A landlord must have a legally valid reason, serve the proper notice, and file an unlawful detainer action if the tenant does not voluntarily move. California law is highly technical, especially where rent control, just-cause ordinances, habitability claims, or retaliation defenses are involved. Landlords should avoid self-help actions without a court order.
在加州驱逐租客需严格遵守州和地方法律。房东须有合法理由、发出适当通知，若租客未主动搬出则需提起非法占用诉讼。涉及租金管控、正当理由条例或可居住性声索时，法律规定尤为复杂。
Student Disciplinary Proceedings · 学生纪律处分程序
学生校纪听证及法律后果
Academic misconduct, disciplinary hearings, and consequences for international students.
学术不端、校纪听证及对国际学生的法律后果。
Student disciplinary matters may arise from academic misconduct, plagiarism, AI policy violations, harassment, housing violations, or criminal conduct. Actions may include warning, probation, suspension, expulsion, transcript notation, or degree withholding. For international students, disciplinary action may affect visa status, SEVIS records, and future immigration applications. Students should review school policies carefully, preserve documents, and seek legal guidance early.
学生纪律事项可能源于学术不端、抄袭、人工智能政策违规、骚扰、住宿违规或刑事行为。对国际学生而言，校纪处分可能影响签证身份、SEVIS记录及未来移民申请。
