Success Stories: An Assistant Professor in Epidemiology from Vietnam Wins NIW Approval without RFE with Our Help

Posted by wegreened on December 4, 2022 in NIW, General Medicine (Public Health, Clinical Research, Infectious Diseases, Vaccines, Virology, Epidemiology, Clinical Psychology, Psychiatry)

Client’s Testimonial:

“I am happy to receive the approval notice early. I am so happy working with you.”

On March 30^th, 2022, we received another EB-2 NIW (National Interest Waiver) approval for an Assistant Professor in the Field of Epidemiology (Approval Notice).

General Field: Epidemiology

Position at the Time of Case Filing: Assistant Professor

Country of Origin: Vietnam

Country of Residence at the Time of Filing: Vietnam

Approval Notice Date: March 30^th, 2022

Processing Time: 2 months, 20 days

Case Summary:

The USCIS has clear set requirements for any particular category of visa. This is also the case for the I-140 NIW or National Interest Waiver category of visa. The USCIS specifies that any foreign individual who can prove that their work is relevant to the United States, and possesses the required academic and professional credentials for the job, shall be granted a job and labor certification waiver for serving the national interest.

So, when we got an assistant professor in epidemiology from Vietnam as our NIW client, we made certain that her case was well-prepared. We ensured this by including the following information in her petition letter:

- Her proposed endeavor is to continue her research focused on investigating the epidemiology of foodborne bacteria in order to provide appropriate diagnostic tests and inform strategies for control and prevention.
- Her research advancing her proposed endeavor is of great importance because it is useful for addressing the global issue of diarrhea infections.
- We showed that her research has resulted in 17 peer-reviewed journal articles (4 of them first-authored).
- Her publications have been cited a total of 282 times according to Google Scholar.
- Due to its clear national importance, her research has in fact been supported with funding from the Oak Foundation and the Bill and Melinda Gates Foundation.
- She has pursued research directly related to her proposed endeavor of investigating the epidemiology of foodborne bacteria in order to provide appropriate diagnostic tests and inform strategies for control and prevention for 7 years.
- Detailed descriptions of 4 of her key projects have been included as evidence of her contributions to and expertise in the field of epidemiology.
- The evidence also showed that her research on investigating the epidemiology of foodborne bacteria holds significant value for addressing bacterial infections in the United States.
- She also had 2 letters of support to her name written by experts in the field who knew her work.

Our team used all of these pieces of information and more to show how important her work was for the country. This led the adjudicating authorities at the USCIS to believe that her work was significant for the country and thus should be allowed to continue, thus leading to the NIW approval in just 79 days. We are grateful to her for the trust she placed in our firm and we wish her everlasting success.

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North America Immigration Law Group (Chen Immigration Law Associates) is a U.S. immigration law firm dedicated to representing corporations, research institutions, and individuals from all 50 U.S. states regarding I-140 immigration petitions. We specialize in employment-based immigration petition and have a proven record of high success rate for the categories of: EB2-NIW (National Interest Waiver), EB1-A (Alien of Extraordinary Ability), EB1-B (Outstanding Researcher/Professor) and O-1 (Alien of Extraordinary Ability).

Our Sixty-four Thousand I-140 Approvals Provide Unprecedented Insight into the USCIS Adjudication Trend

With nearly 64,000 EB-1A, EB-1B, EB-2 NIW and O-1 cases approved, we have first hand information on the manner in which the USCIS adjudicate I-140 cases. As the USCIS has constantly changed its adjudication standards for the EB-1A, EB-1B and EB-2 NIW categories, our firm's huge database of successful cases gives you unprecedented insight to USCIS adjudication trends. We carefully analyze the data for all of our cases and apply the results of our analyses toward giving our clients up-to-date advice and adapting our strategies such that we remain on par with the ever-shifting landscape of immigration law in the U.S. With us, you will always have access to important updates, strategies, and information so that you can make the most informed decisions about your case.

We Have Helped Tens of Thousands of Clients with Credentials and Backgrounds Similar to Yours

With our exceedingly large number of successful petitions, no matter what credentials you have, no matter your background and field of expertise, no matter your visa status or nationality, chances are we have helped hundreds or even thousands of clients just like you. Our clients are usually impressed with how well we understand their research and work. Our insight and understanding stems from the fact that we have handled many cases with elements similar to yours already, and this helps us devise the best strategies for each individual petition.

Vast Majority of Clients Came to Us Because of Referrals

For years, our firm has attracted new clients based solely on word of mouth, recommendations, and the positive collaboration experiences shared with them by their friends and family. We take pride in our reputation and work hard to ensure that we provide a green card application experience that our clients are happy to share with their friends and colleagues. That is how our cumulative total of approved cases grew from 600 in 2013 to nearly 64,000 in 2025.

Track Record of Success EB-1 and NIW Approvals

(2012.01 - 2025.12)

Category	Approval or Refund^®		Approval or Refiling^TM
	Approval or Refund^®
Category	Approved Sum	Success Rate	Approved Sum	Success Rate
NIW	42,047	99%	5,258	97%
EB1A	9,218	91%	4,534	86%
EB1B	1,488	98%	448	93%
Total	52,753	98%	10,240	92%