Success Stories: With Premium Processing Upgrade, NIW Approval Facilitated for Postdoctoral Researcher in Environmental Chemistry from Sri Lanka by NAILG

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Customer Testimonial:

“Chen demonstrated a high level of professionalism and competence in handling my NIW paperwork, resulting in approval in a remarkably short time of 10 days using the premium processing service. I was impressed by their attention to detail and thoroughness, which ensured that my application was complete and error-free, leading to a positive outcome without the need for further evidence. I highly recommend Chenn’s services to anyone seeking assistance with their immigration needs and am confident in his ability to provide excellent results. This is why I decided to retain their services for my I-485 application.


March 2sd2023 we received another one EB-2 NIW (Renunciation of national interest) approval for a postdoctoral research scientist in the field of environmental chemistry (Approval notice).


General area: Environmental chemistry

Position at the time of submission of the file: Postdoctoral Research Fellow

Native country: Sri Lanka

State of residence at the time of filing: Texas

Approval notice Date: March 2sd2023

Processing time : 14 days (Premium Processing requested)


Summary of the case:

Some of the winning factors of I-140 NIW (Renunciation of national interest) the case of a Sri Lankan postdoctoral researcher in environmental chemistry was:

  • As an expert in the field, his project involved working on the design of biochar-based adsorption and degradation platforms using analytical instruments to develop cutting-edge water remediation techniques for toxic materials, including PFAS, arsenic and eutrophication.
  • His research efforts were of obvious importance because they provided the tools necessary to safely and effectively remove and reuse water pollutants, such as phosphates. His research was perfectly positioned to address this problem, as his discoveries related to biochar nanoparticles make it possible to remove phosphates from water sources before reusing them as a slow-release fertilizer.
  • This proposed initiative also had broad implications for the United States. In particular, his pioneering research significantly improves the capabilities of national organizations to mitigate the threats posed by hazardous pollutants.
  • Because of its national significance, his research has been supported by the National Science Foundation (NSF), the National Institutes of Health (NIH), and the Forest Service of the United States Department of Agriculture (USDA).
  • Additionally, he has conducted at least 74 exams to date. Given that only the most reputable researchers in the field are invited to review the work of their peers, especially at prestigious venues like this, it is clear that he is considered highly knowledgeable in the field and a expert in subjects related to his project. effort.
  • Due to his expertise and successes, he is considered a leader in the field of environmental chemistry. More specifically, he has been a guest editor and editor-in-chief of several scientific publications.
  • His research has also resulted in 21 peer-reviewed journal articles (including 8 first authored) and 10 book chapters (including 3 first authored) that have been cited a total of 790 times according to Google Scholar, demonstrating that these publications are widely recognized and used in the field of environmental chemistry.
  • All of these excellent references were reinforced by 2 letters of support written by other experts in the field.

So, once these factors were taken into account, the scales weighed heavily in favor of our client, earning him the NIW approval. Furthermore, this approval was obtained in just 14 days after the request.

We are grateful to our client for choosing our firm to represent them and we wish them all the best in their future endeavors.


North America Immigration Law Group (Chen Immigration Law Associates) is a U.S. immigration law firm dedicated to representing businesses, research institutions and individuals in all 50 U.S. states regarding immigration applications I- 140. We specialize in employment-based immigration applications and have a proven track record of high success rates for the following categories: EB2-NIW (National Interest Waiver), EB1-A (Able-Ability extraordinary), EB1-B (exceptional researcher/professor) and O-1 (Alien with extraordinary abilities).

Our ten thousand I-140 approvals provide unprecedented insight into the trend of USCIS legal decisions

With over 16,000 approved EB-1A, EB-1B, EB-2 NIW, and O-1 cases, we have first-hand information on how USCIS adjudicates I-140 cases. While USCIS has continually modified its adjudication standards for the EB-1A, EB-1B, and EB-2 NIW categories, our firm’s massive database of successful cases gives you unprecedented insight into the trends of USCIS arbitration. We carefully analyze data from all of our cases and apply the results of our analyzes to give our clients up-to-date advice and adapt our strategies to stay on par with the ever-changing landscape of US immigration law. United. With us, you’ll always have access to important updates, strategies, and information so you can make the most informed decisions about your case.

We have helped hundreds and thousands of clients with qualifications and backgrounds similar to yours.

With our huge number of successful petitions, whatever your credentials, whatever your background and area of ​​expertise, whatever your visa status or nationality, chances are we have helped hundreds, if not thousands, of customers like you. Our clients are generally impressed with how well we understand their research and work. Our insight and understanding comes from having handled many cases with similar elements to yours, which helps us design the best strategies for each individual petition.

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For years, our firm has attracted new clients solely through word of mouth, referrals, and positive collaborative experiences shared with them by friends and family. We are proud of 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. This is how our approved files increased from 600 in 2013 to more than 3,500 in 2019.


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