Success Story: In Just 19 Days, A Video Codec Expert Received O1-A Approval with the help of NAILG’s teamwork and Premium Processing Service

Posted by wegreened on January 30, 2026 in Computer Science (Internet, Information Technology, Computer Engineering, Cryptography), Success Stories O1-A

Client’s Testimonial:

“Thanks a lot for your input! I really appreciate it.”

On March 18^th, 2025, we received another O1-A (Individuals with Extraordinary Ability or Achievement) approval for a Video Codec Expert in the Field of Electronic and Computer Engineering (Approval Notice).

General Field: Electronic and Computer Engineering

Position at the Time of Case Filing: Video Codec Expert

Country of Origin: South Korea

State of Residence at the Time of Filing: South Korea

Approval Notice Date: March 18^th, 2025

Processing Time: 19 days (Premium Processing Requested)

Case Summary:

With an impressive academic background in electronic and electrical engineering, this researcher has established herself as a leading expert in video signal processing and compression. Her work addresses one of the most pressing challenges in digital media today: how to efficiently manage high-resolution video data in an era of increasing demand for sharper images, faster streaming, and smarter autonomous systems.

Currently employed as a video codec engineer, she continues to break new ground in the field of electronic and computer engineering. Her research spans deep learning-based video coding, video interpolation, and reinforcement learning algorithms, technologies critical to sectors like digital broadcasting, autonomous driving, and cybersecurity.

The client’s accomplishments made a compelling case under the I-129 O1A (Individuals with Extraordinary Ability) petition. She holds 7 peer-reviewed journal articles, 4 conference papers, and 1 granted U.S. patent. Her work has garnered 125 citations from scholars around the globe, along with a documented record of at least 11 peer reviews for high-impact journals, including IEEE Access and ACM Transactions on Multimedia Computing.

In addition to a strong publication and citation record, the petition showcased her funding from major national organizations, including the Korean Ministry of Science and ICT and the Ministry of Land, Infrastructure and Transport. These endorsements not only reflect her research excellence but also underscore its real-world relevance.

To further support her case, we included six advisory opinion letters from distinguished experts in the field. One letter stated:

“To summarize, [Client] holds a distinguished position within the field of electronic and computer engineering. Her significant collection of academic publications and her contributions as a peer reviewer highlight her respected status in the academic community.”

Thanks to the comprehensive evidence package, her petition was approved just 19 days after filing. This approval is a significant milestone that reflects her substantial contributions to U.S. innovation and national interests, hallmarks of what NAILG stands for in its mission to support global talent.

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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 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.

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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

(2020.01 - 2024.12)

Category	Approval or Refund^®		Approval or Refiling^TM
Category	Approved Sum	Success Rate	Approved Sum	Success Rate
NIW	28,946	99.52%	3,030	98.31%
EB1A	4,322	91.76%	2,870	88.91%
EB1B	793	98.51%	236	90.77%
Total	34,061	98.44%	6,136	93.39%