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About me

Heather M. 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 difficult and highly emotional matters.



Photos and videos

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Practice areas


  1. Family: 100%
    11 years, 750 cases



Retainer (always), Free consultation (30 minutes)

Payment types:

Cash, Check, Credit card

Attorney endorsements

5 total 

Are you an attorney? Endorse this lawyer

  • Heather Sue Mactaggart Mayer

    I endorse this lawyer.


    Heather Mayer Estate planning Attorney
    Relationship: Fellow lawyer in community

  • Kristine Lauren Young

    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.


    Kristine Young Divorce and separation Attorney
    Relationship: Worked for lawyer

Contact info

Allan & Martelle, LLP

2076 Lincoln Avenue
San Jose, CA, 95125


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Family LawState Bar of California - Certified Specialist2016
2014 Henry B. Collada Memorial AwardSuperior Court of California, Santa Clara County2014
Honors Moot CourtSanta Clara University2003
Best Oral AdvocateSanta Clara University2001
Work experience
TitleCompany nameDuration
Managing PartnerAllan & Martelle, LLP2004 - Present
Law Clerk/AssociateLaw Offices of Martha J. Olson2004 - 2005
Law ClerkSanta Clara County District Attorney's Office2002 - 2003
Association namePosition nameDuration
United States Supreme CourtMember2016 - Present
Association of Family and Conciliation CourtsAtt2015 - Present
American Bar AssociationAttorney Member2013 - Present
Santa Clara County Bar AssociationMember2005 - Present
State Bar of CaliforniaAttorney Member2004 - Present
Santa Clara County Lawyer Referral ServicePanel Attorney2004 - Present
Phi Delta PhiAttorney Member2003 - 2005
Publication nameTitleDate
Talking With Your Teen About DivorceLos Gatos Teen Therapy 2015 Blog Series2015
School nameMajorDegreeGraduated
California State University, California Polytechnic State UniversityPsychologyBS - Bachelor of ScienceN/A
Santa Clara University School of LawLawN/AN/A
Speaking engagements
Conference nameTitleDate
Young Practitioners PanelLaw Practice Management2013
Opening Your Own Law OfficeLaw Career Services2012
Starting Your Own Law PracticeLaw Career Services2011
Opening A Law PracticeSmall Firm Career Panel2006