Background
McMahon, Patrick J. was born on June 2, 1942 in Owatonna, Minnesota, United States.
McMahon, Patrick J. was born on June 2, 1942 in Owatonna, Minnesota, United States.
University of Minnesota. San Francisco State College (Bachelor of Arts, 1970). Boston College (Juris Doctor, 1973).
Worked at Gagen, McCoy, McMahon & Armstrong, A Professional Corporation (Danville, California) specializing in General Civil Trial Practice, Business Law. Admitted to the bar, 1974, California and United States. District Court, Northern District of California.
Deputy District Attorney, Contra Costa County, 1974-1976.
Arbitrator, Mediator, Judge Pro tem, Contra Costa County Superior Court. Member: Contra Costa County (Member, Board of Directors, 1983-1991.
President, 1990) and American Bar Associations. State Bar of California.
Alameda/Contra Costa Trial Lawyers Association (Member, Board of Governors, 1980.
President, 1985). California Trial Lawyers Association. Military: With United States.
Army, 1961-1964.
Member: Contra Costa County (Member, Board of Directors, 1983-1991. President, 1990) and American Bar Associations. State Bar of California.
Alameda/Contra Costa Trial Lawyers Association (Member, Board of Governors, 1980.
President, 1985); California Trial Lawyers Association. Military: With United States.
Army, 1961-1964.