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Dave Mattingley

Dave specializes in fighting for his clients. He prides himself in helping folks when the cards seem stacked against them. Dave represents those facing criminal charges. As a member of the Criminal Justice Act Panel, he routinely defends individuals under federal indictment. He also represents consumers victimized by fraudulent, abusive, and predatory business practices. His practice also includes personal injury, civil litigation, and small business litigation.

Dave, his wife Katie, and their two boys Zander and Johnnie, are often found enjoying Montana’s wilderness and rivers. Dave also enjoys coaching his boys, fishing and hunting.

Areas of Practice

Federal Criminal Defense
State Criminal Defense
Consumer Protection
Personal Injury
Civil Rights
Small Business Litigation

Bar Admissions

2012- State Bar of Montana
2012- U.S. District Court, District of Montana
2015- United States Court of Appeals for the Ninth Circuit
2020- State Bar of Idaho
2020- U.S. District Court, District of Idaho


2002- B.S., Finance, University of Idaho
2002- B.S., Economics, University of Idaho
2012- J.D., University of Montana School of Law

Professional & Community Activities

Northwest Montana Bar Association
National Association of Consumer Advocates
Criminal Justice Act Panel
Montana Association of Criminal Defense Lawyers
Idaho Association of Criminal Defense Lawyers
Idaho Trial Association