About Mark Edward
Mark Edward Harrington is a seasoned immigration attorney based in Houston, Texas. With over 30 years of legal experience, he has carved a niche in employment-based immigration, particularly for PhD researchers and high-end engineers. As the founder and principal attorney at Harrington Law Firm, he operates a solo practice located at One Riverway, Suite 1700, Houston, TX 77056. His extensive background allows him to provide tailored legal solutions to clients, handling the requirements of U.S. immigration law. Mr. Harrington earned his Juris Doctor (J.D.) with honors from Suffolk University Law School in Boston, Massachusetts, in 1993. This foundational education was further enhanced by a Master of Laws (LL.M.) degree obtained from Georgetown University in Washington, D.C., in 2000.
His legal career began in Massachusetts, where he was admitted to the Massachusetts Bar in 1993. Later, in 2005, he transitioned to Texas, gaining admission to the Texas Bar on April 28 of that year. His Texas Bar Card Number is 24048299, reflecting his commitment to practicing law within the state. Active involvement in professional organizations has been a hallmark of Mr. Harrington's career — Since 2001, he has been a dedicated member of the American Immigration Lawyers Association (AILA). His leadership skills were recognized when he served as the Chairman of the State Bar of Texas Committee on Laws Relating to Immigration & Nationality from June 2009 to June 2011. In September 2021, he was appointed to a four-year term on the Texas State Advisory Committee to the U.S. Commission on Civil Rights, further illustrating his commitment to civil rights and immigration issues.
Before entering private practice, Mr. Harrington worked on Capitol Hill in Washington, D.C. For three years, he served as counsel to the House Committee on Science, specifically the Research Subcommittee. In this role, he handled critical issues related to foreign-born researchers and H-1B visa requirements. Additionally, he spent two years working for U.S. Senator Pete V — Domenici of New Mexico, where he contributed to various legislative initiatives. In March 2023, Mr. Harrington accepted a public reprimand from the State Bar of Texas.
This reprimand stemmed from his failure to keep a client reasonably informed about the status of a legal matter and for not refunding unearned fees upon termination of representation. As a result, he was ordered to pay $1,000 in attorneys' fees and direct expenses. Despite this setback, Mr. Harrington remains focused on his practice, which centers on assisting employers, scientific researchers, and individuals with complex immigration matters, including visa petitions and green card applications. His dedication to navigating the details of U.S. immigration law continues to drive his work and commitment to his clients.
