Gavin Halligan

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Gavin is a Colorado native and has been practicing family law litigation and appeals since 2013. Gavin has tried cases throughout Colorado counties including Adams, Arapahoe, Boulder, Broomfield, El Paso, Denver, Douglas, Jefferson, Larimer and Weld.

Gavin is an advocate, strategically using her knowledge of the law to achieve clients’ goals. Gavin has handled numerous high asset and high conflict complex litigation matters, along with appeals.

Apart from practicing law, Gavin is fluent in Spanish and has been a Victim’s Advocate for the Federal Heights Police Department since 2012. Gavin also enjoys traveling with her husband, Mike, participating in state and local politics and playing with her Maltipoo dog, Puppin.

Bar Admittance and Memberships:

Colorado, 2012

Colorado Bar Association

Family Law Section

Denver Bar Association

Denver Metro Interdisciplinary Committee Member


University of Denver Sturm College of Law, J.D., 2012

The Catholic University of America, B.A., 2009

10.0Gavin Marie Halligan
Gavin Marie HalliganReviewsout of 8 reviews

Client Reviews

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Child Custody Case
Gavin helped me with my child custody hearing. She is very compassionate and truly cares about her clients. I didn't feel like I was just another case that needed representation. Anytime I called her she helped me with all issues, I never felt rushed or a bother. Gavin was very organized, timely, and prompt and was able to help me get what I deserved. I highly recommend Gavin and the Burnham Law team. They are great at what they do and care about their clients.
Avvo Rating 5/5
Gavin Halligan
Ms. Halligan and her team did an outstanding job representing me during my divorce. I give them my highest possible recommendation. My divorce had some complicating factors including children, a variety of assets types, and partial ownership of a business which needed to be addressed. Gavin and her team were always knowledgeable and prepared for every step in the process. They were also personable and empathetic which made me feel like they really understood my concerns and priorities while professionally steering me to make decisions that were in my long term best interest.
Avvo Rating 5/5
Very happy client
Simply put, Gavin made my ex-wife's lawyer look like a guy who got his degree from a mail order catalog! Though he supposedly had been in practice for 30 years, Gavin mopped the floor with him! She countered every demand that my ex and her lawyer made with law that backed my position and she gave me awesome advice on how to respond to their attempts at extortion. In the end, my ex ended up with less than she had before she got greedy.
Avvo Rating 5/5
Gavin vs. the abusive narcissistic ex...
I had been trapped in an abusive marriage for many years and finally got the courage to leave. As one one figure as soon as I did drop the divorce on him all hell broke lose. Desperate, broke, and and in tears I called many lawyers to see if anyone would be willing to help me. I was relieved when Gavin and the Burnham law firm were very sympathetic to my situation and took me and my case on. Initially I was feeling frustrated at the fact they were so calm in the situation when I was so upset at some of the things I felt he got away with, but soon I saw they had a much bigger picture in mind then I could comprehend at the time. Gavin is very calm, collected, and calculated in her decisions and ultimately won in her strategy unlike the many other impulsive lawyers out there. She is not going to deceive you into thinking you can win something which the judge would not ultimately grant in court, as many lawyers will in order to profit off of peoples emotions in such a situation. Thank you Gavin!
Avvo Rating 5/5

Contact Us

(720) 489-3907
Mon-Fri, 8 - 6

We give 30 minute consultations. If you would like a consultation, please click on the link below to fill out the consultation form and we will contact you within 24 hours of submission. If you are unable to fill out the form, we are also available to talk by phone during the hours listed above.

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