The Law Office of Katerina E. Diamantis, P.A. - Miami, FL

Dedicated Immigration and Nationality Law Advocacy in Brickell, Miami

Securing lawful immigration status in the United States demands rigorous attention to detail, profound knowledge of federal regulations, and bespoke representation. The Law Office of Katerina E. Diamantis, P.A., prominently located at 1111 Brickell Avenue in Miami financial district, represents corporate entities, artists, athletes, professionals, and families across South Florida and internationally. Founding attorney Katerina Elizabeth Diamantis earned her Juris Doctor with a concentration in International Law from Nova Southeastern University Shepard Broad College of Law in 2003, where she served as a founding member and managing editor of the NSU International Citator. With over two decades of dedicated immigration experience since 2005, attorney Diamantis delivers focused, individual guidance for every client. If you want to hire an immigration attorney or need to find an immigration lawyer for complex visa petitions, this practice provides exceptional representation.

Visas for Extraordinary Abilities, Artists, and Athletes

The Law Office of Katerina E. Diamantis, P.A. possesses distinguished experience representing individuals of extraordinary achievement in the arts, sciences, athletics, and business. As knowledgeable business and work visa lawyers, the firm prepares compelling evidence portfolios to satisfy stringent USCIS evidentiary criteria, managing petitions for:

• O-1A and O-1B visas for foreign nationals with extraordinary ability in sciences, education, business, or the arts, and motion picture and television industries.
• O-2 visas for essential support personnel accompanying and assisting O-1 artists and athletes.
• P-1 visas for internationally recognized athletes, athletic teams, and entertainment groups.
• P-1S visas for essential support personnel providing critical services to P-1 athletes and performers.
• H-1B3 specialty worker petitions for prominent fashion models of distinguished merit and ability.

Employment-Based Immigrant Petitions and Investor Visas

In addition to temporary nonimmigrant categories, the firm assists international professionals and investors in establishing lawful permanent residency. The legal team guides clients through EB-1 priority worker petitions for individuals of extraordinary ability, outstanding researchers, and multinational managers. The firm also structures EB-2 petitions with National Interest Waivers (NIW), EB-3 immigrant petitions for skilled professionals, and E-2 treaty investor visas for foreign entrepreneurs establishing commercial enterprises within the United States.

Family Reunification, Marriage Green Cards, and Citizenship

Guiding individuals and families through the intricacies of permanent residency is a hallmark of the firm practice. As experienced family immigration lawyers, attorney Katerina Diamantis assists couples with marriage-based green cards, fiancé visas (K-1), parental and sibling sponsorships, and petitions to remove conditions on residency (Form I-751). Furthermore, the office provides seasoned citizenship lawyers representation, guiding lawful permanent residents through Form N-400 naturalization, resolving complex travel records or background queries, and offering thorough preparation for the citizenship interview and examination.

Multilingual Legal Counsel and Individual Client Care

Unlike large volume firms where clients are passed between administrative staff, attorney Katerina Diamantis personally oversees every case file from inception to conclusion. Offering multilingual services in English, Spanish, and French, the firm ensures that international clients experience clear, respectful communication. Prospective clients are encouraged to contact the Brickell office to schedule a personalized legal consultation to discuss their immigration goals.