Attorney Mark S. Sweet

Attorney Sweet joined Neuberger, Griggs, Sweet & Froehle, LLP in 1991 and has been a partner in the firm since 1993. He is a California native and is licensed to practice law in all courts in Wisconsin and California.

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He is a 1975 graduate of the California State University Long Beach and a 1978 graduate of the Western State University Law School. He holds a Bachelor of Arts degree in Political Science and Public Administration.

Attorney Sweet practices in a range of areas, with particular expertise in the representation of individuals injured in accidents. His prior experience as an insurance defense lawyer for companies including Safeco, Farmers Insurance and Fremont Indemnity allows him to provide exceptional representation to his clients. He has significant experience representing individuals and their families who have suffered serious injuries, including spinal cord injury, traumatic brain injury, multiple bone fractures, facial injury, burns, and wrongful death. He has represented injured persons involved in automobile, motorcycle, truck, bicycle, pedestrian, boating, work, home and farm accidents. He also provides representation for injury from defective products, including swimming pools and hot tubs, gas water heaters, household products and tools, deer stands, children’s toys, and sporting equipment.

Attorney Sweet is admitted to practice law in California and Wisconsin. He is a member of both the California Bar Association and Wisconsin Bar Association, a sustaining member of the Wisconsin Academy of Trial Lawyers, and holds membership in the American Trial Lawyers Association, American Bar Association, Dodge County Bar Association, and Jefferson County Bar Association. He is a member of the Board of Directors of the Wisconsin Academy of Trial Lawyers.

He is extremely involved in the community, having served as a member and chairman of the Board of Directors of Watertown Memorial Hospital, a member of the Board of Directors of the Watertown Physician Hospital Organization, a commission member and chairman of the Watertown Police and Fire Commission, and Vice President of Lake Mills Chamber of Commerce. He is currently serving as the City of Watertown Municipal Judge. He supports and enjoys Watertown area soccer, American Legion Baseball, and all youth sports.

Professional Affiliations and Memberships

  • Wisconsin Bar Association
  • California Bar Association
  • Jefferson County Bar Association
  • Dodge County Bar Association
  • Wisconsin Academy of Trial Lawyers, Board of Directors
  • Former Member of Watertown Memorial Hospital, Board of Directors
  • Former Member of Watertown Physician Hospital Organization,
  • Board of Directors
  • Former Member of Watertown Police and Fire Commission, Board of
  • Directors
  • Lake Mills Chamber of Commerce, Former Vice President

Bar Admissions

  • State of Wisconsin
  • State of California
  • U.S. District Court – Western District of Wisconsin
  • U.S. District Court – Eastern District of Wisconsin


  • Western State University Law School, Juris Doctor, 1978
  • California State University Long Beach, Bachelor of Arts, 1975
Representative Cases
  • The Rotten Sign Post - While walking home from school, a classmate of a kindergarten aged girl swung a business sign hanging from a wooden sign post. The sign and post fell onto the girl as her father witnessed the event from across the street. She was knocked unconscious, trapped under the sign post, and suffered a severely fractured orbit and multiple skull fractures. As a result of the accident, she and her father both developed significant post-traumatic stress. Investigation by Attorney Sweet discovered that the sign post was located close to a garden sprinkler which greatly accelerated rotting of the sign post. The case was eventually settled against the business owner in favor of the young girl by way of a tax free annuity guaranteed to pay out over $5,000,000.00.

  • Pool Side Tragedy - A young man was found by friends floating face down in his apartment complex pool. He suffered a C 2-3 cervical burst fracture and was left with a permanent drop foot and substantial limitations to the use of his right arm and leg. The witnesses saw only that he dove into the pool. After months of indecision, the young man's attorney referred the matter to Attorney Sweet. Attorney Sweet located a nationally-known expert who helped to determine that the design of the pool, its shallow depths, and lack of adequate warnings were a nuisance and it was negligent of the property owner to operate. Despite statute of limitations issues resulting from the indecision of the young man's original attorney, the matter was settled on the eve of trial for more than $750,000.00.

  • Unlucky Ironworker - On his motorcycle driving to work, an ironworker was struck by an out-of-control car. Attorney Sweet was able to help locate the originator of the accident, a semi-truck which struck the uninsured owner of the car, by matching paint transfers on vehicles and speaking with the other passengers in the uninsured driver's car. After obtaining a life care expert and calculating the future loss of earnings to the injured client, a settlement in excess of $1,000,000.00 was obtained from the semi-truck driver's company. A trust fund and structured annuity were also established for the client's children.

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