About C. Sei-Hee Arii

I was born in Busan, a large port city in South Korea, in a working class neighborhood. Busan was one of only two cities in Korea not captured by the North Koreans during the Korean War. Part of the local culture there was to sleep on a wooden pillow, where it was believed to improve the body’s alignment and release tension. I sometimes think of that wooden pillow as a metaphor. What can appear to be hard and unyielding, can in time reveal great benefits. I know that some of those early hardships toughened me up and made me value the practical and simple things in life as well as making me a firm believer in looking beneath the surface.

I was thrilled to be able to emigrate to the U.S. territory of Guam when I was six years old. Like so many others, I saw America as a place of endless possibility. There, I had ample opportunity to witness U.S. soldiers on maneuvers and think about how I could achieve a life of service. The military was not for me, but I decided then that the best way for me to help people would be through the framework of the law. (By the way, I offer reduced fees for those in the active military.) I studied hard and was accepted into Smith College where I spent four years in beautiful (and frigid) Massachusetts studying Psychology. Though the law would be my career, it was people that was truly my business.

After an incredible junior year studying Japanese in Nagoya and Tokyo, I graduated from Smith College in 1995. I then went to D.C. to study law at American University Washington College of Law. I lived in a tiny apartment and rode my bike up the steep hill to the law school where it soon became apparent that there was a clear path for me. I wanted to help people in my community through the general practice of the law.

When I started my own firm, I knew that its priority would be on helping regular people. My clients include lawyers, doctors, construction workers, landscapers, teachers, students, housekeepers, and soldiers. To me, their occupation is mere window dressing. In my mind, the housekeeper’s work is just as valuable as the doctor’s work. They come to me with a problem and I help them find the best solution.

I firmly believe in the rule of law as one of the hallmarks of democracy, but the law is an imperfect instrument and justice is not a given. I see my role as mitigating the many unfair things that can arise when the blunt instrument of the law is applied to an individual who has unique circumstances. I believe that everyone deserves a second chance and it is my job to protect the average person from the ruthlessness that can sometimes emerge in the courtroom when the law is applied heartlessly.

If you were to talk to the people who know me best, they would say that the way I approach cases are with tenacity, extreme focus – to put it in plainer words, I am like a dog with a bone, I give it my all and I don’t give up – and without bias. I still think about that wooden pillow. A hard exterior may reveal something far more complex. So, it is with people.

I have successfully litigated criminal, serious traffic (DUI/DWI), and civil cases for over 20 years. From 2013 to 2023, I received AVVO's Superb 10.0 rating and its Clients' Choice Award. I am AV Rated by Martindale-Hubbell, which is the highest level of professional excellence at which a firm can be ranked by its peers, and am a recipient of their "Client Champion-Gold & Platinum" Award (2019-20 23 ). I have been selected for inclusion in the following lists: Rue Ratings' Best Attorneys of America (2015-20 23 ); Maryland and Washington, D.C. Super Lawyers® (2010-20 23 ) (limited to 5% of Maryland and D.C. lawyers); “Top 100 Trial Lawyers in Maryland" (2010- 20 23 ); “Top 100 Criminal Defense Lawyers in Maryland" (2013- 20 23 ); and Washingtonian Magazine's Best Lawyers (2011-2012).

 

Awards

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DUI/DWI
Posted by anonymous
October 02, 2019
Hired Attorney

Sei-Hee Arii is an outstanding attorney. She is very proactive and knowledgeable about the ins and out of the justice system. She was successful in obtaining a nolle prosequi (dismissal) of my criminal case (a DUI/DWI and reckless driving) in court on and at the MVA today. She was able to get my cases dismissed when nobody else could. I would hardly recommend Ms. Sei-Hee Arii. Thank you so much Ms. Sei-Hee Arii!

 
DUI/DWI
Posted by anonymous
October 01, 2019
Hired Attorney

One of the few attorneys in the area who fights to win your case instead of making deals , she is worth every penny and will be fair and work to bring about the best outcome for you

DUI/DWI
Posted by anonymous
May 16, 2018
Hired Attorney

Amidst an ugly divorce and custody battle, I made two very selfish and bad choices and needed the services of Sei-Hee Arii in 2016. I have worked with private equity, contract, employment, IP, compliance attorneys in past and had no experience with criminal traffic offenses. Words fail to describe how effective, respected by the judges AND caring Sei-Hee is. I enthusiastically and HIGHLY recommend her to anyone in trouble with the law. See is thorough, no nonsense with prosecutors.

 
DUI/DWI
Posted by anonymous
December 08, 2023
Hired Attorney

From the initial consult to the resolution of the case, Sei-Hee Arii operated in a truly professional manner for my situation. During my first consult, Sei-Hee dedicated over an hour on the phone to talk through the details of my situation. Her thoughtfulness, honest assessments, and clear depth of knowledge during this conversation gave me the confidence necessary to hire her as my lawyer. I was not disappointed in this decision. By following her guidance, we were able to achieve a resolution that exceeded my initial expectations. Thank you Ms. Sei-Hee for your outstanding work.

 

Services

Areas of Law

  • Criminal Law 6
    • DUI/DWI
    • Traffic Violations
    • Drug Crimes
    • Theft
    • Felonies
    • Misdemeanors
  • Domestic Violence
  • Litigation 1
    • Civil Litigation
  • Personal Injury 3
    • Automobile Accidents
    • Motorcycle Accidents
    • Wrongful Death
  • Other 14
    • Criminal Defense
    • Drunk Driving
    • MVA Hearings
    • Assault and Battery
    • Drug Distribution and Possession
    • White Collar Crimes
    • Business Fraud
    • Shoplifting
    • Alcohol Citation Involving Minors
    • Juvenile Crimes
    • Truck Accidents
    • Traumatic Brain Injury
    • Criminal
    • Litigation/Plaintiff

Practice Details

  • Languages
    English
  • Payment Information
    Payment & Cost Features
    Free initial consultation
    Accepted Credit Cards
    American Express
    Discover
    MasterCard
    Visa
  • Firm Information
    Position
    Member
    Firm Name
    Arii Law Firm, LLC
    Firm Onwership
    Minority Owned
  • Additional Links

Experience

  • Bar Admission & Memberships
    Admissions
    1999, District of Columbia
    2000, Virginia
    2001, Maryland
  • Education & Certifications
    Law School
    Washington College of Law
    Class of 1998
    J.D.
    Other Education
    Smith College
    Class of 1995
    B.A.

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Attorneys FAQs

  • Is this attorney admitted to the bar in more than one state?
    Yes, C. Sei-Hee Arii is admitted to practice in District of Columbia, Maryland and Virginia.
  • Is this attorney Martindale-Hubbell Peer Review rated?
    Yes, C. Sei-Hee Arii has a 4.6 Peer Rating from Martindale-Hubbell.
  • Does this attorney accept major credit cards?
    Yes, C. Sei-Hee Arii will accept Visa, MasterCard, American Express and Discover.
  • What law school did this attorney attend?
    C. Sei-Hee Arii attended Washington College of Law.
  • Is the law firm that this attorney is affiliated with minority owned?
    Yes, the firm C. Sei-Hee Arii is affiliated with is a minority owned business.