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. Mr. Hammett is a member for the Winnebago County Bar Association and served as President in 1997-98. Mr. Hammett is licensed to practice in the State of Wisconsin and the United States District Court for the Eastern District of Wisconsin.
Widely regarded as one of the leading family law attorneys in his region, Mr. Hammett has achieved notable success counseling and guiding client through the divorce process assisting in reaching agreements and resolving their conflicts concerning custody, placement, support, spousal maintenance, the division of the marital estate, and other related matters. Approximately 80% of Mr. Hammett's practice consists of representing clients in divorce actions, paternity actions, adoptions, and termination of parental rights proceedings. The remaining 20% of his practice consists of mediating family law disputes to help parties come to terms in the most amicable and efficient manner possible. As noted, Mr. Hammett has significant experience with paternity actions, adoptions and termination of parental rights cases. In all cases, he treats his clients with the compassion and respect they deserve as he works to help increase their chances of obtaining the favorable outcomes they seek for themselves and their children.
Recognized for his success, Mr. Hammett holds a Martindale-Hubbell Distinguished Peer Review rating and has earned numerous other accolades from his peers. He also received many five-star reviews and heart-felt testimonials from his satisfied clients as well as 10 Best in client satisfaction award from the American Institute of Family Law Attorneys. His AVOO rating is 10.
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Chat withState: Wisconsin
Acquired: 1989
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675 Deerwood Ave, Neenah, WI, 54956-1629
4650 West Spencer Street, Appleton, WI, 54913
29 Client Reviews
Showing 1 - 5 of 14 reviews | Case Results
Posted by Jazmin | May 07, 2022 | Hired Attorney | Divorce & Separation
Brilliant and Unmatched!
My review cannot possibly do justice describing my experience with Bill Hammett as my divorce attorney. Bill’s ethics, knowledge, experience, intelligence, and quick-thinking ability are simply unmatched. With his long-standing and impeccable career, Bill is highly respected in the community and the ...
Posted by Michael | March 11, 2021 | Hired Attorney | Divorce & Separation
Professionalism Exemplifies
Bill helped me navigate the very stressful time of getting a divorce. Started as a consultant and reviewed document I was given by my wife and told me not to agree to it. He helped me negotiate a better deal than we first discussed as being a good outcome for me. His knowledge and experience was h...
Posted by anonymous | December 08, 2019 | Hired Attorney | Divorce & Separation
Consummate Professional
Bill embodied professionalism, compassion, and patience throughout my unnecessarily lengthy and contentious divorce and child custody proceeding. He was extremely tactful in the manner in which he dealt with my high-conflict ex-spouse through an oftentimes "challenging" opposing counsel. His knowledg...
Posted by Doug | November 14, 2017 | Hired Attorney
Exceptional in appreciating his client's needs.
I have worked with Attorney Hammett for legal concerns for my work life and personal life. Attorney Hammett understands the legal basis of what needs to happen, what is most impressive about his work is appreciating the concerns of his client, and getting results for his client's needs and wants.
Posted by Karen H Williams | September 18, 2017 | Hired Attorney | Divorce & Separation
Divorce Help
Bill was very helpful and supportive throughout my divorce process. He was knowledgable throughout and I feel the information he gave me was prompt, timely considering the decisions that had to be made, and direction on what I believe was the best outcome for the situation. He made sure that the p...
"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."
"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."
"Bill's knowledge of the law, coupled with his dedication to his clients, make him one of the best family law attorneys in the state."
Family lawyer
Criminal defense lawyer
2021
Super Lawyer, Super Lawyers
2020
Super Lawyer, Super Lawyers
2019
Super Lawyer, Super Lawyers
2016
BV Rated, Martindale-Hubbell
2016
Super Lawyer, Super Lawyers
2015
Super Lawyer, Super Lawyers
2014
Super Lawyer, Super Lawyers
2013
Super Lawyer, Super Lawyers
2012
Super Lawyer, Super Lawyers
2011
Super Lawyer, Super Lawyers
2010
Super Lawyer, Super Lawyers
2009
Super Lawyer, Super Lawyers
2008
Super Lawyer, Super Lawyers
1997 - Present
Partner, Hammett, Bellin, & Oswald, LLC
1991 - 1997
Managing Partner, Hammett Law Office
1989 - 1991
Associate, O'Neil, Cannon & Hollman
1991 - Present
Winnebago County Bar AssociationMember
1989 - Present
State Bar of WisconsinMember
1997 - 1998
Winnebago County Bar AssociationPresident
1989
JD - Juris Doctor
1986
BA - Bachelor of Arts
1989
English