Skip to main content
William J. Hammett

William J. Hammett

Practice areas:

Divorce & Separation, Alimony, Child Custody, Adoption, Child Support, Uncontested Divorce, Family

Practice Areas

Licensed since 1989

  1. Divorce & Separation: 25%
  2. Alimony: 20%
  3. Child Custody: 15%
  4. Family: 10%
    1 year
  5. Other: 30%
  6. More 



Retainer (Always)

Payment Types:

Cash, Check, Credit Card

Attorney Endorsements

3 total 

  • Natalie M. Sturicz

    I endorse this lawyer. I have worked with Bill for over five years. He is not only experienced in family law but skilled and driven to achieve the best possible results for his clients. He is among the best attorneys in Wisconsin practicing family law.


    Natalie Sturicz Family Attorney
    Relationship: Worked for lawyer

  • Jeffrey Thomas Oswald

    I endorse this lawyer. Bill is one of the best divorce attorneys in the entire state. He has the skill, legal knowledge, and trial skills that are second to none.


    Jeffrey Oswald DUI & DWI Attorney
    Relationship: Co-worker

Contact Info

Hammett Bellin & Oswald LLC

675 Deerwood Ave
Neenah, WI, 54956-1629

Hammett, Bellin, & Oswald, LLC

4650 West Spencer Street
Appleton, WI, 54913




WIGood Standing198903/02/2015

Professional Misconduct

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

Avvo Contributions

Legal Answers


Award NameGrantorDate Granted
BV RatedMartindale-Hubbell2014
Wisconsin Super LawyerWisconsin Super Lawyers2013
Wisconsin Super LawyerWisconsin Super Lawyers2012
Wisconsin Super LawyerWisconsin Super Lawyers2011
Wisconsin Super LawyerWisconsin Super Lawyers2010
Wisconsin Super LawyerWisconsin Super Lawyers2009
Wisconsin Super LawyerWisconsin Super Lawyers2008

Work Experience

TitleCompany NameDuration
PartnerHammett, Bellin, & Oswald, LLC1997 - Present
Managing PartnerHammett Law Office1991 - 1997
AssociateO'Neil, Cannon & Hollman1989 - 1991


Association NamePosition NameDuration
Winnebago County Bar AssociationPresident1997 - 1998
Winnebago County Bar AssociationMember1991 - Present
State Bar of WisconsinMember1989 - Present


Publication NameTitleDate
Marquette Law Review, Vol 72/ No.4"Percentage Leases" Is There a Need to Imply a Covenant of Continuous Operation1989


School NameMajorDegreeGraduated
Marquette University Law School LawJD - Juris Doctor1989
University of Wisconsin, Madison Political ScienceBA - Bachelor of Arts1986