595 N. Barker Road
Brookfield WI 53008-1750
Ph 262.780.7188
Fax 262.796.5800
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C and D

Welcome to Cannon & Dunphy

Trial Attorneys With a Reputation for Winning ™

William M. Cannon and Patrick O. Dunphy formed the law firm of Cannon & Dunphy, S.C. in 1985. They have both been named the "Top Lawyer" by Milwaukee Magazine and they are both AV rated (the highest rating) by Martindale-Hubbell. Both William M. Cannon and Patrick O. Dunphy have been named in the "TOP 10 Super Lawyers" by their fellow attorneys in the State of Wisconsin, they have both been continuously listed in "The Best Lawyers in America" and they are both nationally certified by the National Board of Trial Advocacy.

Cannon & Dunphy, S.C. is regarded as one of the leading personal injury law firms in Wisconsin. They have obtained more eight figure ($10,000,000+) awards than any other Wisconsin law firm.

  • Named in "The Best Lawyers in America"
  • Nationally Board Certified trial lawyers
  • Selected by Martindale-Hubbell for personal injury law in the
    "Bar Register of Preeminent Lawyers"
  • Rated "AV", Martindale-Hubbell's highest rating
  • Top rated in "Milwaukee Magazine"
  • Wisconsin’s largest paid personal injury verdict
    ($35.3 million – Elkhorn, WI)
  • Wisconsin's second largest medical malpractice verdict and judgment
    ($25.24 million - Milwaukee, WI)
  • Wisconsin's first law firm to obtain an eight-figure jury verdict
    ($17.2 million - Manitowoc, WI)
  • Wisconsin's second largest medical malpractice pretrial settlement
    ($16 million - Milwaukee, WI)
  • Wisconsin’s largest food-borne illness award
    ($13.5 million – Milwaukee, WI)
  • Wisconsin's first law firm to obtain an eight-figure settlement
    (Two cases for $10 million each - La Crosse, WI)








The information is based on published and publicly available information. Results depend on the facts of each case.