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Heather M. Allan is a certified family law specialist and a peer-endorsed attorney representing families all across Santa Clara County with aptitude and experience in the numerous aspects of family law, allowing her to successfully resolve cases for her clients and reach amicable solutions.
Ms. Allan’s diligent and successful approach has been recognized with numerous awards including Top 100 Lawyers by The National Advocates, 10 Best by American Institute of Legal Counsel, and Henry B. Collada Memorial Award by Superior Court of California, Santa Clara County. Find a detailed list of Ms. Allan’s awards and recognition in the Resume section below.
Ms. Allan maintains an extensive network in family law with associations ranging from Certified Family Law Specialists to the United States Supreme Court. She leverages her vast network to assist each client efficiently and effectively, helping clients avoid extensive legal fees.
Ms. Allan attended California Polytechnic State University in San Luis Obispo where she graduated Cum Laude with a Bachelor of Science degree in Psychology. Ms. Allan was a member of the National Honor Society (Psy Chi Omega) and recognized on the Dean's list.
Ms. Allan obtained her law degree from Santa Clara University School of Law. While in attendance, Ms. Allan was a member of Honors Moot Court from which she received recognition as Best Oral Advocate.
Ms. Allan interned for the Santa Clara County District Attorney’s Office in the Juvenile Dependency and Law and Motions Units. Ms. Allan argued several cases at the trial court level, a case before the Ninth Circuit Court of Appeals and had an appellate brief published on Termination of Parental Rights.
Since establishing Allan & Martelle, Ms. Allan has handled hundreds of cases within the family law context. She has assisted numerous individuals with resolving complex and highly emotional matters. With a passion and drive for advocacy, Ms. Allan listens to understand her client’s needs and works assiduously to protect their rights.
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Practice Area
20 years | 750 cases
Free Consultation
$0 first 30 minutes
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Chat withState: California
Acquired: 2004
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2076 Lincoln Avenue, San Jose, CA, 95125
Showing 1 - 5 of 35 client reviews from Avvo
Posted by anonymous | October 5, 2025 | Hired Attorney
I had a very disappointing experience with Heather Allan. In my opinion, her approach consistently escalated tension rather than resolving issues. In the legal documents she drafted, even minor matters were described using inflammatory and exaggerated language, seemingly designed to provoke the other...
Posted by anonymous | March 13, 2021 | Hired Attorney
I originally hired Heather for the final stages of a dissolution I had already started but things took a sudden and ugly turn and I needed her for full representation. She’s the best decision I’ve ever made and not because this journey has been easy. Divorce in itself is a nasty and very expensive th...
Posted by anonymous | February 16, 2021 | Hired Attorney
Heather was recommended for a custody case. Upon hire me and my ex were amicable but needed lawyers to finalize details regarding custody. What should have been a simple thing turned into an escalated issue and created much tension between my ex and I. Due to the increased conflict upon introducing t...
Posted by Christine | April 10, 2020 | Hired Attorney
She made many mistakes on her documents. I had to constantly correct things for her. She is not able to move things forward, charging me unnecessary hours of work. Having to deal with my divorce and staying on top of her mistakes was burdensome. She did not verify her numbers which costed me a lo...
Posted by Michael | October 24, 2018 | Hired Attorney
Heather has been an amazing attorney for me. From the get go she made it clear to me that her approach is to work towards a fair and appropriate dissolution of my marriage. No games and no nonsense. While my Ex-wives attorney prefers to use emotion, make fraudulent accusations about my character, and...
"Heather is focused, detail-oriented, and a true problem solver. She does so much for the minor children she represents, and she works incredibly hard for every one of her clients."
"I highly endorse Heather Allan. She and I are on the opposite sides of a contested family law matter. I find her ethical, honest, fair, aggressive, insightful, pragmatic, and cost-effective."
"As a former associate at Allan & Martelle, I am personally aware of the time, commitment, and dedication the attorneys bring to their client's cases. Both Heather and Eva work to ensure that client needs are promptly met, and that each individual case is handled with efficiency and a strategy to bring the case to a meaningful resolution."
"Heather and her partner, Eva, are incredibly dedicated, intelligent and effective family law attorneys. I highly recommend getting in touch with Heather if you have any family law-related need. Their rates are reasonable, and they are very honest in dealing with their clients, staff and colleagues."
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2025
The Best Law Firms in America 2026, U.S. News & World Report
2025
The Best Lawyers in America 2026, U.S. News & World Report
2025
2025 Northern California Super Lawyers, SuperLawyers
2024
The Best Lawyers in Northern California, The Wall Street Journal
2024
The Best Law Firms in America 2025, U.S. News & World Report
2024
The Best Lawyers in America 2025, U.S. News & World Report
2023
AV Preeminent Rated, Martindale-Hubbell®
2023
The Best Law Firms in America 2024, U.S. News & World Report
2023
Platinum Client Champion Award, Martindale-Hubbell®
2023
2023 Northern California Super Lawyers, SuperLawyers
2023
The Best Lawyers in America 2024, U.S. News & World Report
2017
10 Best, American Institute of Legal Counsel
2017
Top 100 Lawyers, The National Advocates
2017
Client's Choice, Avvo
2016
Family Law, State Bar of California - Certified Specialist
2014
2014 Henry B. Collada Memorial Award, Superior Court of California, Santa Clara County
2003
Honors Moot Court, Santa Clara University
2001
Best Oral Advocate, Santa Clara University
2004 - Present
Managing Partner, Allan & Martelle, LLP
2004 - 2005
Law Clerk/Associate, Law Offices of Martha J. Olson
2002 - 2003
Law Clerk, Santa Clara County District Attorney's Office
2017 - Present
Association of Certified Family Law SpecialistsMember
2016 - Present
United States Supreme CourtMember
2015 - Present
Association of Family and Conciliation CourtsAtt
2013 - Present
American Bar AssociationAttorney Member
2005 - Present
Santa Clara County Bar AssociationMember
2004 - Present
State Bar of CaliforniaAttorney Member
2004 - Present
Santa Clara County Lawyer Referral ServicePanel Attorney
2003 - 2005
Phi Delta PhiAttorney Member
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BS - Bachelor of Science
2013
Law Practice Management
2012
Law Career Services
2011
Law Career Services
2006
Small Firm Career Panel
2015
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