Success Story: From Fluid Mechanics to Voice Health: Mechanical Engineering Researcher from Bangladesh Earns NIW Approval

Posted by wegreened on September 7, 2026 in NIW, Mechanical Engineering (Aeronautical Engineering, Aerospace Engineering)

Client’s Testimonial:

"Thank you very much for your email and for your support throughout my EB-2 NIW I-140 petition. I truly appreciate your assistance, and I am very happy to receive the approval.”

On June 30^th, 2026, we received another EB-2 NIW (National Interest Waiver) approval for a Postdoctoral Research Associate in the Field of Mechanical Engineering (Approval Notice).

General Field: Mechanical Engineering

Position at the Time of Case Filing: Postdoctoral Research Associate

Country of Origin: Bangladesh

State of Residence at the Time of Filing: New York

Approval Notice Date: June 30^th, 2026

Processing Time: 20 months, 6 days (Premium Processing Requested)

Case Summary:

Voice production may appear to be a biological function, but at its core, it also depends on mechanics: airflow, tissue motion, oscillation, pressure, and collision. This perspective shaped a successful EB-2 National Interest Waiver (NIW) petition for a mechanical engineering researcher from Bangladesh whose work applied engineering principles to better understand vocal fold motion and voice-related disorders.

His proposed endeavor focused on developing advanced synthetic physiological models to evaluate tissue oscillation dynamics, specifically targeting the experimental measurement and computational modeling of complex collision mechanics. The petition positioned the case around the principle that superior biomechanical models of soft tissue behavior directly supported broader biomedical engineering research and advanced clinical knowledge related to human physiological health.

At the time of case filing, the client's technical credentials documented:

Ph.D. in engineering

8 peer-reviewed journal articles, 5 conference abstracts, and 1 first-authored preprint

22 citations to published work

At least 5 peer review contributions

Research support from the National Institutes of Health and the National Institute on Deafness and Other Communication Disorders

While citation volume is a critical regulatory benchmark, our firm demonstrated the deeper qualitative value of these metrics by highlighting how independent global researchers across diverse scientific disciplines actively deployed the client’s computational models. This cross-field citation record proved that his technical breakthroughs delivered tangible, foundational utility well beyond publication counts alone.

Beyond academic circles, the case succeeded by directly linking this simulation research to critical domestic healthcare challenges. Because chronic vocal impairments create substantial economic, occupational, and healthcare burdens, the client’s simulation research stood out as an essential contribution to translational biomedicine, directly improving our ability to analyze and resolve complex physiological mechanisms.

USCIS approved the NIW petition on June 30th, 2026, following a Premium Processing upgrade on May 6th, 2026. We congratulate the client on this approval and are pleased that North America Immigration Law Group (Chen Immigration Law Associates) could help present a case showing how mechanical engineering research could contribute to voice biomechanics, biomedical modeling, and human health in the United States.

--------------------------------------------

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%