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Below you'll find out most frequently asked questions about US visas,
categorized by visa type, with our lawyers' answers.

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Who qualifies for an EB-2 NIW Green Card?

To qualify for an EB-2 NIW (National Interest Waiver), you must have either an advanced degree (master’s or higher), a bachelor’s degree with at least five years of progressive work experience, or demonstrate exceptional ability in your field.

Exceptional ability means a level of expertise significantly above the ordinary, proven by meeting at least three of six USCIS criteria, such as membership in professional associations, recognition from experts in your field, or a significant impact on your industry.

Additionally, you must show that your work benefits the U.S. in a meaningful way, such as improving the economy, advancing technology, enhancing healthcare, strengthening national security, or addressing other critical needs. USCIS evaluates this based on how important, urgent, and far-reaching your contributions are.

Do I need a job offer or employer sponsorship for an EB-2 NIW?

No, one of the main advantages of the EB-2 NIW is that you can self-petition, meaning you do not need a U.S. employer to sponsor you or go through the labor certification (PERM) process, which is typically a lengthy and complex requirement for employer-sponsored Green Cards.

Instead, you must prove that your work is in the national interest of the U.S. and that waiving the job offer requirement would benefit the country.

How do I demonstrate that my work is in the national interest of the United States?

To prove that your work is in the national interest, you must show that it has a direct and significant impact on the U.S. in areas such as technology, healthcare, education, economic growth, or national security.

Your contributions should provide clear benefits to the country as a whole, beyond just your employer or local community.

You can demonstrate this through government reports, industry publications, media coverage, patents, or letters from experts confirming that your work aligns with national priorities and contributes to broader advancements in society, an industry, or the economy.

What kind of evidence strengthens an EB-2 NIW petition?

A strong EB-2 NIW petition must demonstrate that you have the expertise and experience to advance your endeavor and that your work has substantial merit and national importance.

Evidence may include receiving awards, publishing research, holding patents, and having relevant work experience in your field.

Support from employers, investors, or institutions can further strengthen your case. Additional factors include serving as a judge of others' work, holding memberships in prestigious organizations, and being featured in media coverage.

The more solid and well-documented your evidence, the stronger your petition.

What’s the difference between “extraordinary ability” and “exceptional ability”?

Extraordinary ability is the language you must use in O-1 and EB-1A cases, and it means you are among the very top in your field. Exceptional ability (EB-2 NIW wording) means you have expertise significantly above the average but not necessarily at the very top.

How important is peer-reviewed research in EB-1A or EB-2 NIW cases?

It depends. For scientists and academics, publications in peer-reviewed journals are often a cornerstone of the case. For professionals in business, arts, or other industries, other types of evidence (press, awards, leadership, impact) may carry more weight.

What does NIW stand for?

NIW stands for National Interest Waiver.

It refers to a waiver of the job offer and labor certification (PERM) requirements that normally apply to EB-2 petitions.

Do I need a PhD to apply for an EB-2 NIW?

No.

You may qualify with:

  • a master’s degree, or
  • a bachelor’s degree plus five years of progressive work experience.

You may also qualify through exceptional ability even without a graduate degree.

Can I apply for an EB-2 NIW while on an H-1B or other nonimmigrant visa?

Yes.

Many applicants file for an EB-2 NIW while holding a nonimmigrant visa such as H-1B, O-1, or L-1.

In most cases, you can continue to maintain your current lawful status while your petition is pending.

Can I file for an EB-2 NIW and an EB-1A at the same time?

Yes.

Filing both petitions simultaneously is a common strategy.

Each category has different requirements, and approval of one does not depend on the other.

What happens if I receive a Request for Evidence (RFE)?

An RFE means the USCIS officer needs more information before making a decision.

You will receive a notice explaining what additional evidence is required.

Responding thoroughly and on time is critical to the success of your petition.

Does E-2 visa lead to a green card?

The E-2 doesn't directly lead to a green card, but E-2 holders have several pathways to permanent residence.

Options include the EB-5 immigrant investor program, EB-1A extraordinary ability, EB-2 NIW national interest waiver, or employer-sponsored green cards through the PERM process.

Can I file Form I-140 on my own without an employer?

Only two categories allow self-petitioning: EB-1A (Extraordinary Ability) and EB-2 NIW (National Interest Waiver).

For all other categories, your employer must act as the petitioner and file on your behalf.

Both self-petition categories have the added benefit of not requiring a PERM labor certification or a specific job offer.

How long does I-140 processing take without premium processing?

Standard I-140 processing time is approximately 6 to 12 months or longer, depending on the USCIS service center handling your case and the specific category you filed under.

You can check current estimates on the USCIS processing times page.

Filing with premium processing reduces this to either 15 or 45 business days depending on your category.

What is the total cost to file Form I-140 with premium processing?

The total depends on your employer size.

For a large employer (26+ full-time employees), the base filing fee is $715, the Asylum Program Fee is $600, and the premium processing fee is $2,805 (before March 1, 2026) or $2,965 (on or after March 1, 2026).

That brings the total to $4,120 or $4,280 respectively.

The filing fee and Asylum Program Fee must be submitted as two separate payments.

Does an approved I-140 mean I have a green card?

No. An approved I-140 confirms that you meet the qualifications for your employment-based category, but it does not grant permanent residence.

You still need to file Form I-485 for adjustment of status if you're in the U.S., or complete consular processing if you're abroad once your priority date becomes current.

The I-140 approval establishes your place in line.

Is there a filing fee for Form G-28?

No. Form G-28 has no filing fee.

USCIS accepts it at no cost.

Your immigration attorney may charge their own professional fees for representing you, but the form itself is free to submit alongside your visa application, petition, or appeal.

What is the difference between Form G-28 and Form G-28I?

Form G-28 is used for immigration matters before USCIS within the United States.

Form G-28I is a separate form used for matters outside the U.S., and it allows a broader range of representatives to file, including attorneys who are not licensed in the U.S. and certain family members.

If your case is handled domestically by USCIS, your attorney will use the standard G-28.

Do I need a new Form G-28 for every case I file?

Yes. USCIS requires a new Form G-28 for each separate application, petition, or appeal.

Even if the same attorney is handling multiple filings for you, they must submit a new G-28 with each one.

The form applies only to the specific case it is filed with and does not carry over to other matters.

Can I represent myself instead of using Form G-28?

Yes. You are always allowed to represent yourself before USCIS.

Form G-28 is only necessary when you want a licensed attorney or accredited representative to act on your behalf.

If you choose to handle your own visa process, USCIS will communicate directly with you.

However, for complex petitions or cases involving RFEs, many foreign nationals find that working with an immigration attorney leads to better outcomes.

How long will it take to get I-140 approved with premium processing?

The I-140 premium processing time is 15 business days for EB-1A, EB-1B, PERM-based EB-2, and EB-3 petitions. EB-1C and EB-2 NIW petitions have a 45-business-day premium window.

If USCIS issues an RFE, the clock resets, and a new period of the same length begins after you respond.

Can I upgrade a pending I-140 to premium processing?

Yes. You can file Form I-907 at any point while your I-140 is pending to upgrade to premium processing.

The premium clock starts when USCIS accepts the I-907, not when the original I-140 was filed.

Does premium processing increase my chances of I-140 approval?

No. Premium processing only guarantees a faster decision. It doesn't change the adjudication standard or make approval more likely. The same officer at the same USCIS service center reviews your case under the same criteria.

A well-prepared petition is what drives approval rates, not the processing speed.

What is the difference between premium processing for I-140 and I-129?

Form I-140 is the immigrant petition for employment-based green cards. Form I-129 covers nonimmigrant worker visas like H-1B and L-1. Both forms are eligible for premium processing through Form I-907, but they have different fee amounts and processing timeframes.

The I-140 premium processing time discussed in this guide applies only to the green card petition.

Can I file EB-1A and EB-2 NIW at the same time?

Yes. USCIS allows concurrent filings because each is a separate I-140 petition with its own receipt number and adjudication. The two filings cost you two sets of filing fees and attorney work, but they give USCIS two independent paths to approve your green card on the same underlying evidence.

Concurrent filing is most useful when you want maximum speed and your evidence portfolio plausibly supports both standards.

Does an approved EB-2 NIW help my future EB-1A?

Indirectly. An approved EB-2 NIW doesn't automatically count as EB-1A evidence, since the standards are different. But the NIW approval gives you a documented USCIS endorsement of your endeavor's substantial merit, and you can keep your earlier NIW priority date if your later EB-1A is approved.

Many applicants use an approved NIW as a foundation while they build the additional acclaim evidence needed for EB-1A.

Can I switch from EB-2 NIW to EB-1A after filing?

You don't switch a pending I-140 from one category to another, since each filing locks in its own category. You can file a new EB-1A petition while your EB-2 NIW is still pending, and you can retain your earlier priority date through the EB-1A I-140 if the NIW was approved before being superseded.

Talk to an attorney before filing the second petition so the priority-date portability mechanics work as expected.

Do I need an attorney for either category?

Both categories are technically self-filable, but the evidence pack makes or breaks the case in either one. Most successful petitions are built with an experienced immigration attorney who can shape the evidence around the right criteria or Dhanasar prong, manage the expert-letter process, and respond to an RFE if one is issued.

The cost of a strong filing usually pays for itself in approval probability, particularly on EB-1A where the final merits determination is heavily judgment-based. Our do I need an immigration lawyer guide walks through when DIY makes sense and when it doesn't.

Can a current PhD student file an EB-2 NIW?

Yes. USCIS evaluates your endeavor and track record rather than your enrollment status. You don't need the doctorate conferred to qualify for EB-2: a master's degree already meets the advanced-degree route, as does a bachelor's degree plus five years of progressive post-degree experience.

If neither applies, the exceptional-ability route is an alternative, where you show at least three of seven regulatory factors instead of a qualifying degree. The deciding factor is whether your published, cited work supports the Dhanasar prongs.

How many citations do you need for an NIW?

There's no citation threshold for an NIW, because USCIS doesn't set a number. Citations are persuasive evidence for the second prong since they show others independently build on your work, but they're weighed alongside your publications, grants, recognition, and letters.

A modest record can still be strong against field norms and paired with first-author work.

What is the NIW approval rate for PhDs?

USCIS doesn't publish an NIW acceptance rate broken out for PhDs, so treat any single figure you see with caution. A doctorate does clear the underlying EB-2 advanced-degree requirement cleanly, which removes one common failure point.

Approval still turns on how well the petition argues the three Dhanasar prongs, especially national importance and the endeavor statement.

Does EB-2 NIW require a job offer?

No. The EB-2 NIW waives both the job offer and the PERM labor certification the standard EB-2 path requires, which is what makes it a self-petition: you file Form I-140 on your own behalf with no employer sponsor.

You do need to show you intend to keep working in your field in the United States, whether through research, a startup, consulting, or a faculty role.

How long is the EB-2 NIW wait for Indian nationals?

The EB-2 NIW wait for Indian nationals is among the longest in the system, often running several years, because green cards are capped by country of birth and demand from India is high. An approved petition establishes your eligibility and locks in your priority date, but you then wait for the Visa Bulletin cut-off to reach that date before the final green card step.

Filing earlier secures an earlier place in line, and many applicants hold a temporary status meanwhile.

How many employment-based work visa categories are there?

U.S. immigration groups employment-based green cards into five preference categories, EB-1 through EB-5, though most professional hiring runs through EB-1, EB-2, and EB-3. On the temporary side, the main employment-based visa types include the H-1B, L-1A, O-1, TN, and E-2.

So the practical answer is a handful of temporary categories plus three or four green card categories that cover the vast majority of cases.

Which U.S. work visas allow dual intent?

Dual intent means you can hold a temporary visa and pursue a green card at the same time without raising questions about your intent to leave. The H-1B and L-1A clearly allow dual intent, which is why they're popular starting points for a longer plan.

The O-1 is treated flexibly in practice, while the TN and E-2 are tied more closely to temporary stay, so a green card plan on those needs careful documentation.

Which work visas do not require an employer sponsor?

Among green cards, the EB-1A (extraordinary ability) and EB-2 NIW (national interest waiver) allow self-petition, so the individual files without an employer or a PERM labor certification. The E-2 doesn't use a traditional employer either, since it's based on the applicant's own investment.

Every other major work visa, including the H-1B, L-1A, O-1, TN, and the standard EB-2 and EB-3 green cards, requires an employer or a job offer.

Which work visas lead directly to a green card?

The immigrant categories, EB-1A, EB-1C, EB-2 NIW, and EB-2 or EB-3 through PERM, lead directly to a green card. The temporary work visas don't grant permanent residence on their own, but several act as bridges.

An H-1B holder can move through PERM to EB-2 or EB-3, an L-1A manager to the EB-1C, and an O-1A performer to the EB-1A.

What is the fastest U.S. work visa to get?

For eligible candidates, the visas without a lottery or labor certification tend to move fastest. The O-1 and L-1A have no annual cap, so a qualified case can be filed at any time, and the TN can sometimes be obtained at the border for Canadian citizens within days.

Speed also depends on whether premium processing is used, which guarantees USCIS action within 15 business days for an added fee, so the right answer depends on the candidate's profile and how urgently you need them.

Can a PhD student file an NIW before graduating?

Yes, if you already meet an EB-2 basis at the time you file Form I-140. Because your doctorate isn't conferred yet, the petition can't rely on the PhD itself, so it has to stand on a conferred master's, a bachelor's plus five years of progressive experience, or exceptional ability.

Once one of those is in place, you can self-petition mid-program and lock in a priority date.

Is it better to file the NIW during or after the PhD?

It depends on whether you have a qualifying EB-2 basis now and how backlogged your country is. If you have a solid basis and face a long EB-2 line, filing during the program secures an earlier priority date while your record keeps growing.

If your case leans mostly on the PhD or your evidence is still thin, waiting until conferral can produce a stronger petition.

Can I keep working on OPT while my NIW is pending?

Yes. A STEM PhD on F-1 can typically work on OPT and the 24-month STEM OPT extension while the NIW I-140 is pending, and you can pursue H-1B at the same time.

The NIW is a separate filing, so it runs in parallel with your work authorization rather than replacing it.

How does filing the I-140 affect my place in the green card line?

Filing Form I-140 establishes your priority date, which is your spot in the queue for permanent residence. Because every country currently faces an EB-2 backlog, an earlier priority date means more time accruing while you wait, which is a core reason candidates from India and China often file as soon as they have a valid basis.

Check the current Visa Bulletin for cut-off dates.

What are the EB-2 NIW requirements?

You must meet two sets of requirements. First, you qualify for the EB-2 category through an advanced degree, a bachelor's degree plus five years of progressive experience, or exceptional ability in the sciences, arts, or business.

Second, you satisfy the national interest waiver test from Matter of Dhanasar: your endeavor has substantial merit and national importance, you are well positioned to advance it, and the U.S. benefits from waiving the job offer and labor certification. For a full walk-through, see our guide on how to apply for an EB-2 NIW.

What are the EB-2 NIW criteria?

The criteria come from the three-prong Dhanasar test. Prong one looks at whether your proposed endeavor has substantial merit and national importance. Prong two looks at whether you are well positioned to advance it, judged by your track record, credentials, and evidence that the work is already in motion.

Prong three is a balancing test asking whether, on balance, the U.S. benefits from waiving the labor certification requirement.

Can I self-petition for the EB-2 NIW without an employer?

Yes. The national interest waiver is one of the few employment-based green card routes that allows self-petitioning. You file Form I-140 on your own behalf without a job offer, employer sponsor, or PERM labor certification.

You only need to show that you intend to keep working in your field in the United States and that your work serves the national interest.

How long does EB-2 NIW processing take?

Standard EB-2 NIW processing for the I-140 petition typically runs 6 to 12 months, depending on USCIS service center workload. With premium processing, USCIS gives an initial response within 45 business days.

The bigger variable is your priority date: applicants born in India or China can wait several years for a green card because of the EB-2 backlog, while most other countries wait far less. Our visa bulletin guide explains how to track it.

How much does the EB-2 NIW cost?

The EB-2 NIW filing fees include $700 for the I-140 petition and a $300 Asylum Program Fee for self-petitioners, plus an optional $2,965 for premium processing. If you file for Adjustment of Status (I-485), that adds $1,440 per applicant.

Attorney fees vary with case complexity.

What is the difference between the EB-2 NIW and EB-1A?

Both allow self-petition, but they target different profiles. The EB-2 NIW is built around a forward-looking endeavor that serves the national interest and is open to advanced degree professionals and those with exceptional ability.

The EB-1A is for individuals with extraordinary ability who can document sustained national or international acclaim across 10 criteria, and it usually carries a shorter visa backlog.

Can my family get green cards through my EB-2 NIW petition?

Yes. Your spouse and unmarried children under 21 can be included as derivative beneficiaries. They receive their green cards at the same time as you, through Adjustment of Status or consular processing.

Once they have green cards they have full work authorization in the United States.

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Common questions about U.S. employment-based visas