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"Remember, remember always, that all of us, and you and I especially, are descended from immigrants and revolutionists."

~ Franklin D. Roosevelt

Meet Attorney Katharine Speer Rosenthal

Are you seeking guidance through the complex landscape of U.S. immigration and naturalization law? Meet Attorney

Katharine Speer Rosenthal, your dedicated advocate and trusted ally in the pursuit of your American dreams.


A Passion for People and Justice

With a profound passion for helping individuals and families navigate the intricate world of immigration law, Katharine goes beyond the paperwork and legal jargon. She believes that every person deserves a chance to shape their future, and that's precisely what drives her in her practice.


Your Partner on the Journey

Katharine takes pride in establishing a personal connection with her clients. She understands that your immigration journey is more than just a legal process; it's a life-changing endeavor. With her by your side, you'll have a compassionate, knowledgeable partner who is as dedicated to your goals as you are.


A Multilingual Bridge Builder

Having lived and worked in Mexico, Guatemala, Honduras, and Bolivia, Katharine brings a unique perspective and invaluable bilingual skills to her practice. Her ability to communicate seamlessly in both English and Spanish ensures that you receive clear, empathetic, and effective legal guidance.


Championing Your Rights, Every Step of the Way

Katharine's client-centered approach is grounded in excellent representation, tireless problem-solving, and transparent communication. She believes that every individual has the right to an honest opinion, compassionate service, and the opportunity to make informed decisions about their life.


A Commitment to Community

Beyond her legal practice, Katharine is deeply involved in her community. She has served as a consulting attorney to the Mexican Consulate in Denver, contributed to the Executive Committee of the Colorado Chapter of the American Immigration Lawyers Association (AILA Colorado), and continues to chair the DMV and SSA Liaison Committee of AILA Colorado. She is also dedicated to mentoring volunteer attorneys through the Rocky Mountain Survivors Center (RMIAN).


Empowering Fellow Attorneys

Katharine serves as a Practice Monitor for the Colorado Office of Attorney Regulation Counsel, where she consults with other attorneys to improve their systems and processes. She is also a mentor with the Colorado Attorney Mentoring Program (CAMP), working one-on-one with attorneys early in their careers or during times of transition.


Sharing Knowledge

Katharine enjoys giving enlightening talks on U.S. immigration law and policy. If you'd like to request a presentation for your group, please don't hesitate to contact us.


Recent Speaking Engagements

  • "Foreign Nationals & Colorado Driver Licensed," Educational session on the requirements for different types of driver licenses and identification documents available to foreign nationals in and improvements in the DMV experience, Colorado and Colorado Chapter of AILA, September 2023

  • "Tech Toolbox," Educational session on best practices for interacting with the immigration agencies' technology and using software to increase law office efficiency and client service, Colorado Chapter of AILA, August 2023

  • "U.S. Immigration Law & Policy," Guest lecturer, The Spanish Speaking Lawyer: Introductory Legal Skills and Vocabulary in Spanish, University of Denver Sturm College of Law, April 2023.

  • "The Complexities & Politics of Immigration," Guest lecturer, Urban Social Problems: Innovative Solutions to Poverty, University of Colorado Denver School of Public Affairs, April 2022.

  • "Family-Based U.S. Immigration for Ukrainians," presented by the Colorado Women's Bar Association, March 2022.

  • "Climate Change, Migration, and Post-Pandemic Practice," Annual Conference of the Colorado Chapter of AILA, February 2022.



  • University of Denver Sturm College of Law, JD, Order of St. Ives, 2009.

  • University of Kansas, BA, Summa Cum Laude, Phi Beta Kappa, 2004.

Bar Admissions

  • Supreme Court of Colorado, admitted 2009.

  • Federal District Court of Colorado, admitted 2011.

  • Tenth Circuit Court of Appeals, admitted 2014.

Ready to embark on your immigration journey with a dedicated advocate?


Contact Attorney Katharine Speer Rosenthal today and take the first step toward realizing your American dream.

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