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About me

Mr. McDevitt has been an active, practicing trial attorney for over 40 years, litigating a wide array of cases across the state of California. He has regularly represented members of the California Highway Patrol, police officers, firefighters, and safety officers for over 30 years.  He holds an "AV" (highest possible) rating from Martindale Hubbard.   Since 2007, he has been selected as a "Super Lawyer" by his peers; this designation is reserved for no more than 5% of the attorneys in each state.ABOTA invited him to be a part of its select group of trial attorneys. He has tried over 70 case to verdict.

McDevitt teaches civil litigation and mentors a number of younger attorneys, who are aspiring to be trial attorneys,

Mr. McDEvitt has been married to his wife, Paulette, for 44 years. They have 4 children and 6 grandchildren. 

Two of his daughters are nurses, the other is a human resourse. His son is a trial attorney with the prestigious firm of Walkup,Melodia, Kelly Schoenberger in San Francisco


Practice areas


  1. Defective Products: 30%
  2. Personal Injury: 20%
  3. Car Accident: 20%
  4. Probate: 20%
  5. Other: 10%
  6. More 

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Contact info

Law Offices of William G McDevitt; Brayton Purcell LLP

1000 Fourth St.
Suite 875
San Rafael, CA, 94901


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
AV RatedMartindale-Hubbell2011
Super LawyerSuper Lawyers2011
Super LawyerSuper Lawyers Magazine2010
Super LawyerSuper Lawyers Magazine2009
Super LawyerSuper Lawyers Magazine2008
Super LawyerSuper Lawyers Magazine2007
Work experience
TitleCompany nameDuration
Managing PartnerBrown & McDevitt2002 - 2008
PartnerJones, Clifford, McDevitt & Johnson1978 - 2002
AssociateSedgwick, Detert, Moran & Arnold LLP1974 - 1978
Association namePosition nameDuration
American Association for JusticeMember2006 - Present
American Board of Trial Advocates (San Francisco chapter)Associate2005 - Present
San Francisco Trial Lawyers AssociationMember1978 - Present
Marin County Trial Lawyers AssociationMemberN/A
Legal cases
Case nameOutcome
White-Temple v. Cooper ManufacturingVerdict of $6,600,000
McArainey v. Butler ScaffoldingVerdict of $1,100,000
See all legal cases 
Publication nameTitleDate
Matthew Bender publicationCalifornia Forms of Pleading and Practice: Jury Verdicts2011
School nameMajorDegreeGraduated
University of San Francisco School of LawN/AJD - Juris Doctor1974
University of San Francisco School of LawN/AOther - Bachelors1971
Speaking engagements
Conference nameTitleDate
How to Achieve a Large Verdict in Low Impact, Soft Tissue Auto AccidentsDamages in Low Impact Cases1997
Glide Memorial - Law and the PoorLaw and the Poor1996
Third Party Rights for Occupational InjuriesThird Party RightsN/A
Third Party LiensLiensN/A
The Fireman's Rule and Law EnforcementAssumption of RiskN/A