Dennis Patrick O'Brien

Dennis Patrick O'Brien

5.0
Rating: 8.1

Licensed for 22 years

Criminal defense Lawyer at Huntington, NY
Practice Areas: Criminal Defense, DUI & DWI

7 High Street, Suite 205, Huntington, NY

About Dennis

Biography

Practice Areas

Fees and Rates

Cost

Retainer

Always


Payment Methods

  • Cash
  • Check
  • Credit Card

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Licenses

Licensed in New York for 22 years

State: New York

Acquired: 2004

Currently Registered

No misconduct found

Location

O'Brien Law Group, LLC

7 High Street, Suite 205, Huntington, NY, 11743

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Dennis Patrick O'Brien's Reviews

Avvo Review Score

5.0 /5.0

3 Client Reviews

Filter Avvo Reviews (3) Refine reviews to match your needs. Use the filters to quickly surface reviews that align with your case or priorities.
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5 stars 3
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1 star 0
Practice Areas

Showing 1 - 3 of 3 reviews

Posted by anonymous | January 31, 2019

The best attorney to have in your corner!

Dennis O'Brien went above and beyond for me. I am more secure now with him in my corner. I would recommend everyone to see him.

Posted by Bill | March 15, 2018 | Hired Attorney | Lawsuits & Disputes

Wonderful Attorney

Dennis O’Brien handled a complicated legal matter for my daughter and we both couldn’t be happier with his diligence, his total competence, his zeal, his compassion and his determination to do the right thing for his client. He kept us well informed at every stage of the representation and took all t...he time that was necessary for us to understand the steps he was taking, the options we had, and the predictable outcome of each option. While no case is perfect, he was perfect for our case and we will be forever grateful for his effort and the results he achieved.

Posted by Ty | December 03, 2014

Professional Attorney

Dennis O'brien is a well, well above average Lawywer with his endless knowledge of the legal system and ability to execute the best possible outcomes for his clients. As having expierence with him, I would in a moment contact him with any future legal obligations. He is expierenced, smart, friendly ...and above all makes sure all options are expanded in the interest of his clients. Would recommend to a friend.

See All Client Reviews

Dennis Patrick O'Brien's Lawyer Endorsements

Endorse Dennis
Richard A. Hochhauser headshot
Richard Hochhauser

Criminal defense lawyer | Nov 19

Relationship: Opposing Counsel on matter

"As a former prosecutor, I opposed Dennis on a number of cases and tried a complicated Dwi trial against him. Dennis is one of the most professional and knowledgeable defense attorneys I have encountered. I endorse this lawyer."

Michael Thomas Mullen headshot
Michael Mullen

Criminal defense lawyer | May 18

Relationship: Worked together on matter

"I strongly endorse Dennis O'brien. I have know him for years and have seen his legal work first hand. He is one of the finest legal minds I have ever come across. You will not go wrong hiring him."

Dana Lynn Grossblatt headshot
Dana Grossblatt

Criminal defense lawyer | Jan 30

Relationship: Fellow lawyer in community

"Dennis is an excellent attorney. He is works incredibly hard for all of his clients. He is so knowledgeable that other attorneys frequently call him to ask questions about their case. You will be in terrific hands with Dennis as your attorney."

Michael David Elbert headshot
Michael Elbert

Criminal defense lawyer | Oct 14

Relationship: Fellow lawyer in community

"I have known Mr. O'Brien for many years and I have had the opportunity to work with him on several criminal cases. His knowledge of the law and trial skills have always impressed me. He is a diligent and conscientious attorney that always fights hard for his clients. I strongly endorse Mr. O'Brien."

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Experience

Rating:  8.1 (Excellent)

Work Experience

2000 - Present

Adjunct Assistant Professor, St. John's University

1999 - Present

Attorney, O'Brien Law Group, LLC

Associations

Nassau County Bar Association

Member

Suffolk County Criminal Bar Association

Member

New York State Bar Association

Member

Criminal Courts Bar Association of Nassau County

Member

Education

N/A

Brooklyn Law School

JD - Juris Doctor

N/A

St. John's University

MA - Masters

N/A

St. John's University

BA

Languages

English

Avvo Rating

Our Rating is calculated using information the lawyer has included on their profile in addition to the information we collect from state bar associations and other organizations that license legal professionals. Attorneys who claim their profiles and provide Avvo with more information tend to have a higher rating than those who do not.

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  • Experience & background Years licensed, work experience, education
  • Legal community recognition Peer endorsements, associations, awards
  • Legal thought leadership Publications, speaking engagements
  • Discipline Disciplinary information may not be comprehensive, or updated. We recommend that you always check a lawyer's disciplinary status with their respective state bar association before hiring them.
Avvo Rating Levels
10.0 - 9.0 Superb8.9 - 8.0 Excellent7.9 - 7.0 Very Good6.9 - 6.0 Good5.9 - 5.0 Average4.9 - 4.0 Concern3.9 - 3.0 Caution2.9 - 2.0 Strong Caution1.9 - 1.0 Extreme Caution