Success Story: O-1A Approval Secured for an Electrical Engineering Expert In Just 21 Days Without an RFE

Posted by wegreened on November 4, 2026 in Success Stories O1-A,Electrical and Computer Engineering

Client’s Testimonial:

“It wouldn't have happened without your prompt & strong support throughout the way.”

On September 21^st, 2026, we received O1-A (Individuals with Extraordinary Ability or Achievement) approval for a Postdoctoral Researcher in the Field of Electrical and Computer Engineering (Approval Notice).

General Field: Electrical and Computer Engineering

Position at the Time of Case Filing: Postdoctoral Researcher

Country of Origin: China

State of Residence at the Time of Filing: Washington

Approval Notice Date: September 21^st, 2026

Processing Time: 21 days (Premium Processing Requested)

Case Summary:

North America Immigration Law Group (NAILG) proudly secured an O-1A visa approval for an electrical engineering expert specializing in advanced optimization, machine learning, and big-data analytics for power and transportation systems.

Recognized Scientific Contributions

The petition presented a comprehensive evidentiary record demonstrating the client's extraordinary ability and sustained acclaim under the O-1A criteria:

10 peer-reviewed publications, comprising 7 scientific journal articles and 3 conference papers
593 total citations from independent researchers across the global scientific community
At least 101 completed peer reviews for top-tier journals in power engineering, sustainable energy, and urban systems
Multiple top-tier articles ranking in the top 1% and top 10% most-cited engineering publications for their respective publication years

Rather than treating these metrics as self-explanatory, NAILG demonstrated how an adjudicator should interpret them as proof of extraordinary ability. The petition established that independent researchers worldwide actively implement the client’s deep reinforcement learning algorithms. Furthermore, his extensive peer-review record proved that leading scientific journals consistently trust his technical judgment to evaluate the work of other experts.

The record was further supported by 4 recommendation letters from international experts in the field who contextualized the major significance of his scientific contributions.

Positioned for Continued Impact

Holding a Ph.D. in electrical engineering and a distinguished track record of original contributions, the client was shown to be at the very top of his field and uniquely positioned to continue driving technological breakthroughs. The filing demonstrated a clear continuity between his past scientific achievements and his role leading the technical development in the United States.

Approval and Future Outlook

USCIS approved the O-1A petition smoothly in just 21 days under Direct Premium Processing without a Request for Evidence. NAILG is honored to have represented the client and looks forward to his continued leadership.

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

With nearly 70,000 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 70,000 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%