Jeffrey T. Oswald

Jeffrey T. Oswald is a Wisconsin criminal defense lawyer at Hammett, Bellin & Oswald, LLC, based in the Appleton area. His practice focuses on defending people accused of criminal offenses, with attention to careful preparation, client communication, and courtroom advocacy. He has built a career representing clients in matters involving DUI, misdemeanors, felonies, and other criminal allegations, helping them understand the process, evaluate options, and protect their rights at each stage in local courts and negotiations.

Mr. Oswald earned his J.D. from Illinois Institute of Technology Chicago-Kent College of Law in 1996. During law school, he received honors for outstanding overall performance in moot court and academic achievement awards for the highest grades in appellate advocacy and property. He also studied at the University of Wisconsin in Madison, completing his undergraduate education in 1993 before beginning his legal career in Wisconsin with strong disciplined legal training.

Mr. Oswald was admitted to practice in Wisconsin in 1996 and has remained active in criminal defense organizations. His professional memberships include the State Bar of Wisconsin, Wisconsin Association of Criminal Defense Lawyers, National College of DUI Defense, National Association of Criminal Defense Lawyers, Outagamie County Bar Association, and Winnebago County Bar Association. These affiliations support his continued focus on criminal defense strategy, DUI issues, trial practice, and advocacy standards statewide.

Jeffrey T. Oswald serves as a managing partner and attorney, bringing decades of experience to clients facing criminal charges. His honors include recognition among the 10 Best DUI/DWI Attorneys for Client Satisfaction, Top 100 Trial Lawyers by the National Trial Lawyers Association, and an Avvo Clients’ Choice Award. With focused preparation and steady advocacy, Mr. Oswald helps clients respond to accusations with informed defense planning and courtroom readiness.

Law Office Affiliations

• Managing Partner, Hammett, Bellin & Oswald, LLC
• Member, State Bar of Wisconsin
• Member, Wisconsin Association of Criminal Defense Lawyers
• Member, National College of DUI Defense
• Member, Outagamie County Bar Association
• Member, Winnebago County Bar Association
• Member, National Association of Criminal Defense Lawyers

Licensed State

• Wisconsin

Education

• Illinois Institute of Technology, Chicago-Kent College of Law
  Juris Doctor (JD)
• University of Wisconsin
  Bachelor of Business Administration (BBA)