Success Stories: Our team of experts achieved NIW approval for a PhD student in the field of ecosystem sciences in just 13 days with the Premium Processing Service upgrade.

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May 22sd2023 we received another one EB-2 NIW (Renunciation of national interest) approval of a doctorate in the field of ecosystem sciences (Approval notice).


General area: Ecosystem Science

Position at the time of submission of the file: PhD student

State of residence at the time of filing: Florida

Approval notice Date: May 22sd2023

Processing time : 13 days (Premium Processing requested)


Summary of the case:

After carefully reviewing the documentary evidence and supporting testimony that we have attached to our client’s case Renunciation of national interest (NIW), it is established that he is a member of the professions with a graduate degree (ME in Environmental Engineering and Management) and his research on the development of practical solutions to increase and protect the quantity and quality water resources using hydrological resources, obviously has both substantial merit and national importance.

When our client hired North American Immigration Law Group to help secure the NIW approval, without any delay, we began the evaluation of his qualifications and gathered the most exceptional and relevant information to include in his petition, ultimately leading him to achieve victory in his NIW petition without encountering any obstacle.

To highlight our client’s education, professional experience, and expertise, as well as their publication and citation history, as well as their history of successful research in their chosen field, we focused on these specific aspects and have incorporated the following details into our personalized petition. wrap:

  • We noted that as an expert in the field of ecosystem science, our client intended to continue research into developing practical solutions for nurturing and protecting water resources, and that its research is therefore relevant to access to drinking water and pollution problems in the United States.
  • We also deduced that his research is of great importance as it advances the critical crisis of access to clean water around the world.
  • Furthermore, we specified that he has published 12 peer-reviewed journal articles (including 6 as first author) in no less than 5 high-level peer-reviewed journals, which reflects the recognition by his peers of the value of this research.
  • In addition to carrying out and publishing his research results, he has had a significant impact on his colleagues in the field. To elaborate, his published works have been cited 37 times, illustrating his wide recognition and confidence in the field of ecosystem science.
  • The citations provided clearly demonstrate that our client is actively pushing the boundaries of their field by conducting research into reducing environmental impact through sustainable and nature-based approaches. Additionally, his study received funding from reputable organizations such as the National Fish and Wildlife Foundation and the European Union. His research therefore constitutes concrete proof that it contributes to safeguarding the quality and quantity of water resources through the development of hydrological assets.
  • Also, we observed his enthusiastic involvement as an evaluator of the work carried out by other professionals in the same field. So far, he has successfully completed a total of 10 peer reviews.

The aforementioned evidence indeed validates the beneficial nature of our client’s research for the United States, leading to exemption from job postings and labor certification requirements. As a result, he successfully proved his eligibility for a National Interest Waiver, demonstrating his exceptional qualifications. Incredibly, his petition was approved within a short span of 13 days from his filing date, thanks to an upgrade to the premium processing service. Thus, we are delighted that our client has entrusted our law firm with the presentation of his I-140 NIW petition and send him our most sincere wishes for his future projects.


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.

The vast majority of customers came to us through referrals

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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