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Kristine Koo

Sex crime Attorney at Tustin, CA

5.0   6 reviews

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About Kristine

Learn Kristine’s areas of practice.

I'm here for you!  I'm a former Deputy District Attorney and Deputy Public Defender. I have done over 40 misdemeanor/felony jury trials and countless motions. My practice areas range from misdemeanors, to traffic violations, to serious and violent felonies.  I also write misdemeanor and felony appeals - I am currently on the panel for the Third and Fifth Districts doing criminal appeals and can help you with that too.  And, as a distance runner, I want you to be able to run free - when something bad happens to you - and will help you through our complex legal system.  

Licensed for 11 years
State CA
Status Active
Acquired 2011
Updated 12/02/2022
State FL
Status Membership Lapsed
Acquired 2012
Updated 11/23/2022

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

Contact Kristine

Law Office of Kristine Koo
18002 Irvine Blvd, Suite 108J
Tustin, CA, 92780


5.0 / 5.0
  6 customer reviews
5 Star
4 Star
3 Star
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1 Star
Posted by anonymous | August 1, 2022
This review is from a person who hired this attorney.
| Hired Attorney
I highly recommend Kristine. Kristine not only referred me to one of the best family law attorneys, she also worked to contact the DA and make sure the felony domestic violence charges were dropped prior to my arraignment date and hearing. In addition, she was able to obtain a letter from the DA's office stating they decided to not file a charge against me. This letter is crucial and will be used as evidence to help me get a temporary restraining order dropped. Kristine is passionate and attentive. I talked to over 10 lawyers before deciding to hire Kristine and she is by far the best. Kristine,  you are greatly appreciated. Thank you for going above and beyond.
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Posted by Delfy | July 13, 2022
This review is from a person who hired this attorney.
| Hired Attorney
Great lawyer
Very professional, she helped me clean my record very fast and gave a fair price in these difficult times.... so grateful for lawyers like Kristine
Posted by Rodrigo Rodriguez | May 27, 2022
This review is from a person who hired this attorney.
| Hired Attorney
Beyond Satisfied / Highly recommend working with miss Koo
If i could give Kristine 10 Stars i definitely would , i hired Kristine after i got my 1st DUI back in November of 2021 and not only did she managed to guide me through the entire process but also made it easier for me to understand what needed to be done for the best possible outcome , the knowledge arsenal Kristine possesses is not only a testament that she deserves more than 5 stars but also that she is a excellent lawyer to work with and will continue to work with .
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Posted by anonymous | May 3, 2022
This review is from a person who hired this attorney.
| Hired Attorney
Highly Recommend!!! Saved my life!
Kristine Koo represented me on a second DUI offense. I took this case to trial and plead not guilty. Ms. Koo was able to get my case dismissed! This has been the most nerve-wracking experience in my entire life and she was there to help me every step of the way. Anytime I had any questions, she was readily available. She worked so hard and was extremely thorough with learning everything that had to do with my case. I feel so blessed to have had such a great attorney on my side. I feel like a weight is lifted off my shoulders. I could not be any happier! Thank you so much Ms Koo!!!
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Posted by Gina | November 8, 2021
This review is from a person who hired this attorney.
| Hired Attorney
Takes the time to get to know you
I worked with Kristine on a very stressful Family Law case. She took the time to fully understand my situation and needs and touched base regularly with me on next steps while addressing my concerns and questions. She was extremely professional and offered great advice and assistance. It's very clear she cares about her clients - I was extremely fortunate to have her on my side.
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Posted by Ryan | October 4, 2021
This review is from a person who hired this attorney.
| Hired Attorney
A great lawyer who invests in you.
Kristine was my lawyer for an unexpected and ugly divorce and custody battle last year. Kristine was professional, taking the time to get to know me. She constantly kept me informed of upcoming hearings and explained each process to me. With each call or email, I could see that she genuinely cared about me and my children. She was a great listener when I needed to vent and gave solid advice that went beyond the courtroom. When you meet Kristine, it’s immediately clear that hear passion is taking care of her clients. I am so incredibly lucky and thankful that Kristine represented me.
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  • Free Consultation 15 minutes
Payment methods
Cash, Check


AVVO RATING 8.0 (Excellent)

Work Experience

  • Principal Attorney
  • Law Office of Kristine Koo
  • 2021 - Present
  • Panel Attorney - Appellate Attorney
  • Central California Appellate Program
  • 2017 - Present
  • Trial attorney
  • Ciummo & Associates Alternate Defense Office
  • 2017 - 2018
  • Assistant District Attorney
  • Office of the District Attorney Office Fresno
  • 2016 - 2017
View all work experience


  • McGeorge SOL Univ of the Pacific
  • 2011
  • Univ of California Irvine
  • 2005

Legal Cases

  • People vs. Jose Hernandez


  • Criminal Law Section
  • Secretary
  • 2021 - Present
  • Orange County Bar Association
  • N/A
  • Mommy Esquire
  • N/A

Speaking Engagements

  • Paralegal Education Conference
  • The Anatomy of a Trial
  • 2022

Attorney endorsements

Received (1)
Given (1)
Endorse Kristine
Criminal defense Attorney | Nov 10
Relationship: Fellow lawyer in community
"I endorse this lawyer. Kristine Koo is an excellent criminal defense attorney who is knowledgeable, very effective in court and passionate about getting great outcomes for her clients. Kristine really cares about her clients and gets great results! I recommend her without reservation."
Criminal defense

Avvo Contributions

This attorney hasn't created any legal answers in Q&A or legal guides recently on Avvo.

Tustin Sex crime Lawyer Kristine Koo
Kristine Koo
Sex crime Attorney
Tustin, CA
Licensed for 11 years
Free Consultation