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Ruth O'Meara-Costello

Criminal defense Attorney at Boston, MA

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About Ruth

Learn Ruth’s areas of practice.

My practice includes both civil and criminal litigation.  I represent criminal defendants facing charges in the state and federal courts.  In the past, I have helped clients confronting felony charges including first degree murder and federal racketeering and drug charges.  I have also represented many clients charged in the state courts with misdemeanors including driving under the influence, assault and battery with a dangerous weapon, and drug possession.  Outside of the formal criminal arena, I also represent students facing disciplinary charges on campus, with a particular focus on accusations of sexual harassment under Title IX.  My education practice has also included assisting both students and faculty facing discrimination, including disability discrimination, or infringement of free speech rights. In my civil practice I focus on representing plaintiffs in employment matters, with a particular focus on employment discrimination.  

Licensed for 15 years
State MA
Status Active
Acquired 2007
Updated 04/10/2019

We have not found any instances of professional misconduct for this lawyer.

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Zalkind Duncan & Bernstein LLP
65A Atlantic Ave
Boston, MA, 02110-3750


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AVVO RATING 10.0 (Superb)

Work Experience

  • Partner
  • Zalkind Duncan & Bernstein LLP
  • 2016 - Present
  • Associate
  • Zalkind Duncan & Bernstein LLP
  • 2007 - 2015
  • Law Clerk to Hon. William K. Sessions III
  • United States District Court, District of Vermont
  • 2006 - 2007


  • Harvard Law School
  • J.D.
  • 2006
  • Harvard College
  • Bachelor's degree
  • 2002


  • Massachusetts Association of Criminal Defense Lawyers
  • Board Member
  • 2017 - Present
  • Boston Bar Association
  • Member
  • 2015 - Present
  • National Association of Criminal Defense Lawyers
  • Member
  • 2013 - Present
  • Massachusetts Association of Criminal Defense Lawyers
  • Member
  • 2008 - Present
  • Massachusetts Employment Lawyers Association
  • Member
  • 2007 - Present
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Languages Spoken

  • English


  • Rising Star
  • Super Lawyers
  • 2018

Attorney endorsements

Received (6)
Given (5)
Unknown Attorney | Aug 28
Relationship: Co-worker
"Ruth is a vigorous advocate for her clients. Whether practicing criminal defense, employment law, or academic/university misconduct matters, she is an able advocate winning many victories for her clients. Her intellect, skills and experience are outstanding. I highly recommend her."
Unknown Attorney | Apr 12
Relationship: Co-worker
"Ruth is an exceptional lawyer who very quickly gets to the heart of any issue and is relentless in advocating for her clients. She is one of the best lawyers practicing in the area of representing students in Title IX and other disciplinary matters, and she has extensive experience in criminal defense. You cannot do better."
Education Attorney | Apr 12
Relationship: Co-worker
"Ruth is a talented and outstanding advocate who is able to get outstanding results for clients facing a range of challenging situations. She is particularly knowledgeable and skilled in handling university discipline matters, as well as criminal defense and employment cases."
Education Attorney | Dec 06
Relationship: Co-worker
"Ruth is an outstanding lawyer who gives her clients 100% of her intellect and legal skill. She is a national leader in the area of college misconduct cases and Title IX, and a dedicated criminal defense lawyer. I have learned immense amount from working with Ruth."
Criminal defense Attorney | Jun 15
Relationship: Supervised lawyer
"Ruth O'Meara-Costello has worked with me for almost eight years. She has been successful on a number of criminal cases, including a first-degree murder trial that was an almost-impossible case. In that case, the jury was unable to reach a verdict. She worked with me on a marijuana distribution case in which we got the charges reduced and resolved the case without a criminal record for the client. She is extraordinarily intelligent, tenacious, and ethical. She has a great deal of courage in court and is willing to state her position, no matter how much opposition she faces. I recommend her without reservation as one of the strongest up-and-coming criminal defense lawyers in the state of Massachusetts."
Criminal defense Attorney | Jun 10
Relationship: Co-worker
"Ruth is a top-notch attorney. She is a passionate and empathetic advocate for her clients, and has the intelligence and creativity to produce winning results for them. I have worked with her for over five years, and have often relied on her advice on my own case work. I highly recommend her for any areas she practices in, including criminal defense, university misconduct cases, and employment law."
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Avvo Contributions

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Boston Criminal defense Lawyer Ruth O'Meara-Costello
Ruth O'Meara-Costello
Criminal defense Attorney
Boston, MA
Licensed for 15 years