Success Story: O-1A Approval in only 15 Days Under Premium Processing! How We Helped an Artificial Intelligence Expert Secure Success

Posted by wegreened on July 6, 2026 in Success Stories O1-A, Artificial Intelligence

Client’s Testimonial:

"Overall, it's a very good service. I'll definitely recommend it to my friends who need to apply for green cards.”

On April 30^th, 2026, we received an O-1A (Individuals with Extraordinary Ability or Achievement) approval for a Visiting Graduate Researcher in the Field of Artificial Intelligence (Approval Notice).

General Field: Artificial Intelligence

Position at the Time of Case Filing: Visiting Graduate Researcher

Country of Origin: Italy

State of Residence at the Time of Filing: California

Approval Notice Date: April 30^th, 2026

Processing Time: 15 days (Premium Processing Requested)

Case Summary:

An O-1A was recently approved in just 15 days for a highly accomplished visiting graduate researcher in artificial intelligence. The petition was filed under premium processing and approved without any Request for Evidence (RFE).

Research Leadership and Global Recognition

Currently working as a visiting graduate researcher in the field of artificial intelligence, the client holds a Ph.D. in computer science and has established deep expertise as one of the leading specialists in time-series forecasting, large language models (LLMs), and multivariate data analysis for industrial applications.

The client's scholarly record reflects a rare combination of productivity, impact, and scientific leadership:

1 first-authored peer-reviewed journal article, 9 peer-reviewed conference articles (6 of them first-authored), and 2 preprints (1 of them first-authored)

603 citations from researchers across institutions worldwide, including institutions in the United States, Italy, Australia, Canada, Sri Lanka, and the United Kingdom

At least 60 completed peer reviews for top-ranked journals and conferences in Artificial Intelligence and Data Mining

Expert Endorsements

To build the O-1A petition, our firm included three expert recommendation letters from internationally recognized scientists. One expert stated:

“His work contributes to the U.S.'s economic stability and public health by improving decision-making processes in finance and healthcare. Additionally, [Client]'s research strengthens the nation's technological capabilities by enhancing the fundamental understanding of predictive modeling critical for various industries.”

O-1A Approval and Outlook

We are honored to have supported this outstanding researcher and look forward to witnessing continued advances in artificial intelligence and time-series forecasting that will strengthen U.S. technological leadership and drive innovation across industries for years to come.

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

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%