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William A. D'Alton


WILLIAM A. D'ALTON, was born in New Milford, Connecticut on April 20, 1963. Bill moved to Montana and attended the University of Montana, where he obtained his law degree. Bill was admitted to the Montana State Bar in 1995. After graduating, he worked as an attorney for the Yellowstone County Public Defender's Office for two years. In 1998, Bill joined the Brown Law Firm, P.C. in Billings, Montana. While with the Brown Law Firm, Bill began work in the area of insurance defense litigation. In 2008, Bill founded the D'Alton Law Firm, where he has broadened his practice to represent both plaintiffs and defendants. With more than 20 years of experience practicing law, Mr. D'Alton has tried jury cases in every level of trial settings in Montana, from Justice Court to Federal District Court. He has gained jury acquittals for people charged with serious crimes. In the civil arena, Bill has secured successful jury verdicts for his clients, whether defendants or plaintiffs. He has handled appeals before the Montana Supreme Court and the U.S. Court of Appeals, 9th Circuit.


Bill enjoys the outdoors which is why he calls Montana home.  Some of the activities Bill finds relaxing are exercising, gardening, cooking, watching sports and spending time with his family.  


Boston University (1982-1983)

University of Montana (B.A. - 1983 - 1986)

University of Montana (M.A. - 1990 History)

University of Montana School of Law (J.D. 1992 - 1995)



Attorney Yellowstone County Public Defender's Office (1996 - 1998)

Brown Law Firm, P.C. (1998 - 2008)

D'Alton Law Firm, P.C., Owner. (2008 - Current)


State Bar of Montana; Montana Trial Lawyers Association; National Trial Lawyers; National Association of Criminal Defense Attorneys; American Bar Association; United States District Court Montana; Ninth Circuit Court of Appeals.


Military Service:  U.S. Army


Cases: U.S.A. v. Highsmith, 268 F.3d 1141 (9th Cir. 2001); Blue Ridge v. Theins, 2008 MT 264, 345 Mont. 125;Pinnow v. Montana State Fund, 2007 MT 332, 340 Mont. 217, 172 P.3d 1273; Benders v. Wiedrick's Crane Service, 2009 MT 369; DiMarzio v. Crazy Mt. Constr., Inc., 2010 MT 231, 358 Mont. 119, 243 P.3d 718.



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