Success Story: Nigerian Expert Receives Both EB1A and NIW Approvals with Our Proven Strategy via Premium Processing Services Even After RFE for EB1A

Client’s Testimonial:

“Thank you for your assistance and guidance throughout the process of my I-140 application.”

On May 9^th, 2024, and April 30^th, 2025, we received another EB-2 NIW (National Interest Waiver) and EB-1A (Alien of Extraordinary Ability) approvals for an Expert in the Field of Biotechnology (Approval Notice).

General Field: Biotechnology

Position at the Time of Case Filing: Unemployed

Country of Origin: Nigeria

Country of Residence at the Time of Filing: United Kingdom

Approval Notice Date: : May 9^th, 2024 (NIW) and April 30^th, 2025 (EB1A)

Processing Time: 10 days (NIW) (Premium Processing Requested), and 4 months (EB1A) (Premium Processing Requested)

Case Summary:

In an outstanding demonstration of both scientific excellence and strategic immigration planning, a Ph.D. holder and a biotechnology expert from Nigeria recently secured approval for both the EB1A and NIW I-140 petitions. The NIW petition was approved in May 2024 through Premium Processing, followed by the EB1A approval on April 30, 2025. We are proud to have supported this remarkable expert in navigating both immigration pathways to permanent residency in the United States.

Advancing Biotechnology for Renewable Energy and Environmental Health

Our client’s groundbreaking research focuses on bioenergy production optimization, water pollution, and biotechnological solutions to address environmental and public health challenges. She is particularly known for her pioneering work on bioelectricity generation from waste, waterborne pathogen detection, and biohydrogen production from industrial waste. Her investigations utilize multi-omics technologies and bioinformatics to enhance sustainable energy production and improve water quality monitoring innovations with profound global implications for both environmental health and renewable energy.

Currently, she continues to drive advancements in biotechnology, particularly in the areas of wastewater-based epidemiology, renewable energy, and bioinformatic solutions for environmental health.

Demonstrated Impact Across Both Petitions

In building both the EB1A and NIW cases, we compiled a comprehensive and compelling evidence record, demonstrating her exceptional contributions to biotechnology and its practical applications in environmental sustainability and health:

● 36 peer-reviewed journal articles, 16 abstracts, and 9 book chapters.

● 1,226 citations, with several articles ranking among the top 1–10% most cited in bioenergy and environmental sciences.

● 10 peer reviews completed for prestigious journals, further demonstrating her standing as a respected authority in her field.

● International recognition, with citations from researchers in over 77 countries.

Six Strong Letters of Recommendation

To bolster the petition, we included 6 letters of recommendation from internationally recognized experts, all of whom provided glowing testimonials of her contributions and influence in the field of biotechnology. These esteemed professionals affirmed her status as a leading scientist in biotechnology. One of the letters stated:

“It is imperative to recognize that this approach to bioenergy research, which involves expertise with microbiology, bioinformatics, multi-omics, data analysis, predictive modeling, and artificial intelligence, is something few researchers possess the skills and experience to achieve. It is to the advantage of the United States to offer [Client] all possible support.”

Two Approvals, One Vision

The outcome: both NIW and EB1A petitions were approved despite receiving an RFE for EB1A, affirming her extraordinary ability and national importance in the field of biotechnology.

We are thrilled to have supported this innovative and influential researcher in achieving these significant milestones. We look forward to her continued success as she advances sustainable biotechnology solutions that will contribute to environmental health, public safety, and the global renewable energy transition.

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 Ten Thousand I-140 Approvals Provide Unprecedented Insight into the USCIS Adjudication Trend

With more than 58,000 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 Hundreds and 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 over 58,000 in 2025.