Cagatay Ersoy is a partner at Capitol Law Partners PLLC. A graduate of Columbia Law School, one of the nation’s premier Ivy League institutions, Mr. Ersoy offers clients the rare combination of deep academic training, international litigation experience, and a sharp focus on practical, results-oriented legal solutions. His practice focuses on business and corporate law, employment and family-based immigration, trademark law, and international investment arbitration.
Mr. Ersoy provides strategic legal counsel to startups, entrepreneurs, and growing enterprises across the U.S. and internationally. Whether advising on entity formation, contract negotiations, mergers and acquisitions, or global workforce immigration, he helps businesses navigate complex legal landscapes with confidence and clarity. He has particular expertise in employment-based immigration strategies, including E-2, L-1, EB-1, and EB-2/NIW visas, as well as family-based petitions such as marriage-based green cards and fiancé(e) visas.
In addition to his corporate and immigration work, Mr. Ersoy assists brand owners in safeguarding their intellectual property through comprehensive trademark services. He advises clients on trademark clearance, registration, and enforcement strategies—helping them secure and build long-term brand value in the U.S. market.
Before founding Capitol Law Partners, Mr. Ersoy practiced as a litigation counsel in Turkey. He represented clients in diverse industries such as technology, logistics, construction, and retail across Central Asia and the Middle East. His work spanned regulatory compliance, labor and administrative law, complex trial litigation, and international appeals—including matters before the European Court of Human Rights and the Constitutional Court of Turkey.
Fluent in both civil law and common law traditions, Mr. Ersoy brings a global perspective and a meticulous approach to every matter he handles. His clients benefit from a truly international legal lens—paired with the practical insight needed to get deals done and resolve disputes efficiently.
Columbia Law School
(2022)
Istanbul University Faculty of Law
(2015)
New York Bar Association
New Jersey Bar Association
Istanbul Bar Association
Discover what clients have to say about their experiences working with me.
Dear Capitol Low Partners, thank you for always supporting us, for all the efforts that you try for us, I am very happy with you and your company, I wish you further success and I believe in you. very much🙏🏻😊
Emin Ismayilov
I had an excellent experience with Çağatay Ersoy as my lawyer. He handled my case professionally, guided me through every step, and ensured a smooth process. I am very satisfied with the service I received and recommend. Thank you
Muhammet Turan
I worked with Attorney Cagatay for my Green Card application, and I was very satisfied. He is highly knowledgeable and managed the process professionally. He answered my questions promptly and assisted me at every stage. I highly recommend him to anyone looking for a reliable attorney!
Harun Demir
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