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William J. Hammett - Neenah, WI

675 Deerwood Avenue Neenah, WI 54956

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Updated: 10/01/2021

Neenah Family Law Lawyer


Attorney William J. Hammett is a founding member and partner with Hammett, Bellin & Oswald, LLC. Established in 1997, the law firm has offices in Neenah and Appleton, Wisconsin. Serving clients throughout the Fox Valley region and surrounding areas, Mr. Hammett represents the rights and interests of those who are going through a divorce or other serious family issue.

Attorney Hammett graduated from UW-Madison in 1986. He received his Juris Doctorate from Marquette University in 1989...

About William J. Hammett

Practice Areas

  • Family Law
  • Mediator in Family Law Cases
  • Divorce
  • Paternity Actions
  • Termination of Parental Rights/Adoptions
  • Custody and Physical Placement Disputes
  • Child Support and Maintenance Actions


  • 80%

Current Employment Position(s)

  • Partner
  • Attorney


Bar Admissions

  • Wisconsin, 1989
  • U.S. District Court Eastern District of Wisconsin, 1989

Other Affiliations

  • Winnebago County Bar Association, 1991 - Present (Member)
  • Winnebago County Bar Association President, 1997 - 1998


  • Marquette University Law School, Milwaukee, Wisconsin
    Law Review: Marquette Law Review, Member & Staff Editor, 1987 - 1989
  • University of Wisconsin, Madison, Wisconsin, 1986
    Major: Political Science

Past Positions

  • O'Neil, Cannon & Hollman, SC, Associate, 1989 - 1991


Other Sources of Feedback About William J. Hammett

Included on the 2022 Wisconsin list

Past Lists

  • 2021 Wisconsin Super Lawyers list
  • 2020 Wisconsin Super Lawyers list
  • 2019 Wisconsin Super Lawyers list
  • 2018 Wisconsin Super Lawyers list
  • 2017 Wisconsin Super Lawyers list
  • 2016 Wisconsin Super Lawyers list
  • 2015 Wisconsin Super Lawyers list
  • 2014 Wisconsin Super Lawyers list
  • 2013 Wisconsin Super Lawyers list
  • 2012 Wisconsin Super Lawyers list
  • 2011 Wisconsin Super Lawyers list
  • 2010 Wisconsin Super Lawyers list
  • 2009 Wisconsin Super Lawyers list
  • 2008 Wisconsin Super Lawyers list

View the profile for William J. Hammett on Super Lawyers


  • Top 5% Family Law Attorneys in Wisconsin, Wisconsin Super Lawyers, 2008 - 2019
  • 10 Best Family Law Attorneys in Wisconsin, American Institute of Family Law Attorneys, 2014

Video & Photo


Office Information


675 Deerwood Avenue Neenah, WI 54956


  • 920-720-7970

Offers Free Initial Consultation




  • "Percentage Leases" Is There a Need to Imply a Covenant of Continuous Operation, Marquette Law Review, Vol 72/ No.4, 1989

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675 Deerwood Avenue Neenah, WI 54956

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