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Catherine Elizabeth Seaver
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Catherine (Cat) is an Associate at Fragomen’s Boston office, where she primarily assists corporate clients with employment-based nonimmigrant visas, focusing on Hs, Ls and TNs.
Prior to becoming an attorney, Cat spent five years as a paralegal at Fragomen’s Boston office, primarily focusing on PERM labor certifications, O-1s, requests for evidence (RFE) and EB-1s. She spent the summer of 2024 as a Summer Associate at Fragomen’s Miami office, where she gained a variety of experience filing nonimmigrant visas, immigrant visas and RFEs for large, mid-size and small clients. While awaiting bar admission, Cat served as a Law Clerk at Fragomen’s Boston office where she performed supervised review of cases and assisted with AAO Appeals.
Education
- American University, Washington College of Law, J.D., 2025
- Suffolk University, B.A., magna cum laude, 2020
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Bar Admissions: Massachusetts
Practice Limited to Federal Immigration & Nationality Law
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Explore more at Fragomen
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Partner Karolina Schiffter is recognised in the Lexology Index: Thought Leaders Global Elite 2027 report.
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Awards
Fragomen and UK team members are ranked in the “Immigration: High Net Worth Individuals – UK-wide” category of the Chambers High Net Worth 2026 Guide.
Blog post
Partner Raj Naik explores how geopolitical change, increasingly data-driven compliance and evolving talent strategies are reshaping workforce mobility across Europe.
Awards
Partner F. Joseph Paldino and Counsel Clark Cannon are named to Utah Business’s 2026 Legal Elite for their contributions to immigration law.
Blog post
In our latest blog, UK Government Affairs Strategy Lead @Shuyeb Muquit examines the expanded access to the Global Talent visa and what it signals about the direction of UK immigration policy
Video
Poland Immigration Strategy Director Tomasz Rogala and Senior Associate Tomasz Rdzanek discuss how Polish citizenship by descent works, who may qualify, the documentation typically required and common eligibility challenges.
Media mentions
Senior Counsel Mitch Wexler discusses USCIS’ restored authority to deny certain immigration benefit requests without first issuing a Request for Evidence and the importance of complete initial filings.
Blog post
Partner Shayan Sultan discusses how geopolitical disruption, intensifying talent competition and digital transformation are reshaping workforce mobility and compliance across the Middle East.
Awards
Partner Karolina Schiffter is recognised in the Lexology Index: Thought Leaders Global Elite 2027 report.
Blog post
Partner Jack Kim discusses how Canada’s increasingly selective and complex immigration system is affecting talent access, retention and long-term workforce planning for employers.
Blog post
UK Government Affairs Strategy Director Shuyeb Muquit explores what the recommendations mean, what’s still uncertain and what employers should be watching next
Blog post
In this blog, Senior Manager Katharina Vorländer explains when employers need an A1 certificate for employees traveling or working temporarily within Europe, the application process and how timely planning can help manage social security compliance risks.
Awards
Fragomen and UK team members are ranked in the “Immigration: High Net Worth Individuals – UK-wide” category of the Chambers High Net Worth 2026 Guide.


