Expert Opinion Letters
for U.S. Immigration Petitions

Your degree field doesn't match the job title. Your foreign degree needs equivalency. Or USCIS questions whether the position genuinely requires a specialised bachelor's degree.

An independent industry expert answers the specialty occupation question for your specific role — and addresses the Level I wage classification challenge USCIS now scrutinises most heavily.

Proving extraordinary ability to an adjudicator who isn't extraordinary in your field. Awards, publications, judging, critical roles all need contextualisation in USCIS terms.

A field-matched expert translates your achievements into the standard USCIS is trained to evaluate. Three to five independent letters, each addressing different O-1 criteria.

Meeting 3 of 10 criteria is step one. The Kazarian holistic review is step two — and where petitions with generic letters fail.

EB-1A typically requires six to ten independent expert letters, each from a different credentialed expert addressing a different criterion. The most demanding evidentiary standard in employment-based immigration.

Your citation record is strong. But a USCIS adjudicator isn't a researcher — and h-index alone doesn't translate to the outstanding researcher standard.

An independent peer in your specific discipline contextualises your citations, publication venues, and international recognition. Applies to both university and industry R&D positions.

All three Dhanasar prongs need to be documented — not stated. Substantial merit, national importance, and the petitioner's specific positioning to advance the endeavor.

Three to five independent expert letters, updated for the January 2025 USCIS guidance affecting every pending and new NIW. Non-STEM fields and entrepreneurs fully addressed.

Is the role genuinely managerial — or just supervisory? Is the knowledge truly company-specific — or could any qualified professional fill it?

An independent industry expert addresses both questions directly. Covers the functional manager pathway and the L-1B substitutability test — the two most common L-1 RFE triggers.

Your title says 'Software Engineer.' The USMCA professional occupations list says 'Computer Programmer.' Following recent CBP and USCIS guidance, occupation alignment now requires specific independent documentation.

A field expert bridges modern roles to USMCA categories — especially critical for CBP border applications where Canadians face on-the-spot review with no RFE process.

In 2026, H-1B wage level affects both lottery selection odds and RFE risk. Under the wage-weighted lottery, Level I receives one entry against Level IV's four.

USCIS treats Level I + specialty occupation as a dual challenge. An independent expert documents why your classification is defensible — covering both in a single letter.

You have the evidence — publications, awards, citations, support letters. The challenge is mapping it to USCIS criteria in a narrative a non-specialist adjudicator can follow.

EB-1A criteria mapping with the Kazarian holistic argument. NIW Dhanasar three-prong structure. The petition narrative that organises everything else.

USCIS has issued an RFE or NOID on your H-1B, EB-1A, EB-1B, NIW, L-1, or O-1 petition. The response window is short, and a generic reply fails.

Field-matched experts address the specific concerns raised in the notice — in the language USCIS adjudicators expect. Cross-visa, deadline-driven documentation.