Cagatay Ersoy

Attorney At Law

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.

Education

Columbia Law School
(2022)

Istanbul University Faculty of Law
(2015)

Bar Admissions

New York Bar Association

Istanbul Bar Association

Client testimonials

Discover what clients have to say about their experiences working with me.

"I believe in you"

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 testimonial

Emin Ismayilov

"Excellent experience"

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 testimonial

Muhammet Turan

"highly recommend him!"

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 testimonial

Harun Demir

Let's Work Together

Looking for legal representation?

Explore our latest legal insights

View all posts »

Stay informed with expert articles on immigration, corporate law, and data privacy.

How to Fill Out the DS-160 Form - A Step by Step

How to Fill Out the DS-160 Form - A Step by Step

The DS-160 Form, which is mandatory for US visa applications, is a detailed electronic visa form that is filled out online. It is very important that the form is completed accurately and in full for the application to proceed smoothly. Here are the key points you need to know when filling out the form..

How Can I Bring My Family to the usa? | Immigration Process

How Can I Bring My Family to the usa? | Immigration Process

The most critical elements in the US immigration process are preparing the correct forms, providing complete information, and starting the process on time. Correct Forms provides professional support to its clients in these three key areas, ensuring that applications proceed without error. By minimizing the long waiting times caused by incomplete or incorrect documents, they make their clients' journey to build a new life in America reliable, fast, and stress-free.

Purchasing a Home Without Citizenship 

Purchasing a Home Without Citizenship 

Buying property in the United States is fully accessible to non-citizens. With the right team of experts and careful financial planning, you can successfully purchase real estate for both personal use and investment purposes.