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C. Sei-Hee Arii

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First DUI Offense? 20+ Yrs of Experience Matters. Sei-Hee will Fight for You.
  • DUI & DWI, Criminal Law, Personal Injury
  • District of Columbia, Maryland, Virginia
Review This Lawyer
Client Reviews
Rachel M. December 9, 2023
100% satisfied with my legal services Sei-Hee amazed me by her thorough planning and legal strategies that resulted in a very favorable outcome in my defense. She went above and beyond to prevent having my trial further delayed. Sei-Hee is so compassionate and driven to represent her client's to the upmost standards.
T. H. April 20, 2023
Best Lawyer for Your Case Ari is the best lawyer to handle DUI/DWI cases. If you're like me, the idea of court, trial, etc. creates a lot of anxiety. However, I had the best lawyer who not only handled my legal needs but also cared about my mental state. I would not have won without her!
Badges
Claimed Lawyer ProfileLII PlatinumSocial MediaResponsive Law
Biography

"Sei-Hee Arii: one in a million attorney; once in a lifetime individual"

"Her knowledge, expertise and professionalism saved my life."

My promise to you: I will look after your best interest; treat you like the individual that you are; and I will fight... for you.

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 (2019-2023). I have been selected for inclusion in the following lists: Rue Ratings' Best Attorneys of America (2015-2023); Maryland and Washington, D.C. Super Lawyers® (2010-2023) (limited to 5% of Maryland and D.C. lawyers); “Top 100 Trial Lawyers in Maryland" (2010- 2023); “Top 100 Criminal Defense Lawyers in Maryland" (2013- 2023); and Washingtonian Magazine's Best Lawyers (2011-2012).

Let me help you. Call or text me at 240-621-0007 to get started.

Practice Areas
    DUI & DWI
    Criminal Law
    Drug Crimes, Expungement, Fraud, Internet Crimes, Theft
    Personal Injury
    Brain Injury, Car Accidents, Construction Accidents, Motorcycle Accidents, Truck Accidents, Wrongful Death
Fees
  • Free Consultation
  • Credit Cards Accepted
  • Contingent Fees
Jurisdictions Admitted to Practice
District of Columbia
District of Columbia Bar
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Maryland
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Virginia
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Languages
  • English
Professional Experience
Attorney/Owner
Arii Law Firm, LLC
- Current
Attorney
Heeney & Arii, Chartered
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Education
American University Washington College of Law
J.D. (1998)
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Smith College
B.A. (1995) | Psychology
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Awards
Top 100 Trial Lawyers in Maryland
The National Trial Lawyers
2010-present
Client's Choice Award
Avvo
Since 2013
10.0 Superb Rating
Avvo
Washington D.C. Super Lawyers
Super Lawyers
Since 2010
Maryland Super Lawyers
Super Lawyers
Since 2010
AV Preeminent Rating
Martindale-Hubbell
Client Champion - Platinum
Martindale-Hubbell
Best Attorneys of America
Rue Ratings
2015, 2016, 2017, 2018
Top 100 Trial Lawyers in America
The National Trial Lawyers
Top 100 Criminal Defense Lawyers in Maryland
The National Trial Lawyers
2013, 2014, 2015, 2016, 2017, 2018
Best Lawyers
Washingtonian Magazine
2011
Committee Chair of the Year Award: Technology Committee
Montgomery County Bar Association
Bar Foundation Fellow
Montgomery County Bar Association
Outstanding Contribution Award
Montgomery County Inn of Court
Bar Foundation Fellow
Maryland State Bar Association
Professional Associations
National College for DUI Defense
Member
Current
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Maryland State Bar Association
Member
- Current
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Maryland Criminal Defense Attorneys' Association
Member
- Current
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Women's Bar Association of Maryland
Member
- Current
Activities: Treasurer 2009-2010; Secretary 2010-2011
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Maryland State Bar
Member
- Current
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Virginia State Bar
Member
- Current
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District of Columbia Bar
Member
- Current
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Websites & Blogs
Website
Arii Law Firm, LLC Website
Website
Sei-Hee Arii's Website Profile
Contact & Map
401 East Jefferson Street
Suite 208
Rockville, MD 20850
Telephone: (240) 621-0007
Monday: 8 AM - 8 PM
Tuesday: 8 AM - 8 PM (Today)
Wednesday: 8 AM - 8 PM
Thursday: 8 AM - 8 PM
Friday: 8 AM - 8 PM
Saturday: Closed
Sunday: Closed
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