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About me

I've been married to my lovely wife since 1982. We have four wonderful children.

I enjoy surfing, Trail running, backpacking, hiking, camping, family history, amateur radio and family vacations.

Selected for inclusion in Super Lawyers Editions from 2009 to the present. Peer reviewed rating of "Preeminent AV" highest rating for legal ability and ethical standards for 20+ consecutive years by Martindale-Hubbell. Past Worldwide Chair, BYU Management Society, Regional Chair, BYU Management Society, Founder, Past Chapter Chair, South County Management Society, Former Chapter Chair, Orange County Management Association, Former Board Member, J. Reuben Clark Law Society - Orange County Chapter.


Languages spoken: Spanish

Photos and videos

341810 1290881832

Practice areas


  1. Litigation: 100%
    35 years, 100 cases



Hourly ($400/hour)

Payment types:

Cash, Check, Credit card

Attorney endorsements

7 total 

Are you an attorney? Endorse this lawyer

  • Amy Elizabeth Martinez

    I endorse this lawyer.


    Amy Martinez General Practice Attorney
    Relationship: Fellow lawyer in community

  • Clark Hansen Fielding

    William Chapman is a consummate professional, steeped in litigation experience. William is a man of tremendous character and ethics. I wholeheartedly endorse William.


    Clark Fielding Personal Injury Attorney
    Relationship: Fellow lawyer in community

Contact info

Cadden & Fuller, LLP

144 Pacifica
Irvine, CA, 92618


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Southern California Super Lawyers 2013 - OC EditionSuper Lawyers Magazine2013
Southern California Super Lawyers 2012 - OC EditionSuper Lawyers Magazine2012
W. Lowell Benson Lifetime Achievement AwardBYU Management Society2011
Southern California Super LawyersSuper Lawyers Magazine2011
Southern California Super LawyersSuper Lawyers Magazine2010
Southern California Super LawyersSuper Lawyers Magazine2009
Work experience
TitleCompany nameDuration
PartnerCadden & Fuller, LLP2013 - Present
PartnerJulander, Brown & Bollard2010 - Present
PartnerSmith, Chapman & Campbell2001 - 2010
PartnerPeterson & Chapman1997 - 2001
PartnerChapman, Fuller & Bollard1987 - 1997
AssociateCallahan & Associates1985 - 1987
AssociateUre & Shupe1981 - 1985
Association namePosition nameDuration
Litigation Counsel of AmericaFellow2012 - Present
Orange County Bar AssociationMember1982 - Present
State Bar of CaliforniaMember1981 - Present
Los Angeles County Bar AssociationMemberN/A
Legal cases
Case nameOutcome
Merck Eprova, AG v. Gnosis S.p.A., et al.Trial conducted in June-July 2011. Waiting for a ruling by the court.
Chicony Power Technology Company, Limited v. Comarco, Inc.Verdict in favor of Comarco in the net amount of $9.7 million.
See all legal cases 
Publication nameTitleDate
Leader's Product Liability Law and Strategy"No Longer Willing to Settle, Firm Tries Novel Defense"N/A
School nameMajorDegreeGraduated
Pepperdine University School of LawLawJD - Juris Doctor1981
Brigham Young UniversityN/ABS - Bachelor of Science1978
Speaking engagements
Conference nameTitleDate
Renaissance V"How to Cross-Examine World Class Experts"2012
Monthly Breakfast Meeting"The Economic, Legal and Moral Advantages of Telling the Truth in Every Aspect of our Lives"2011
BYU Management Society Annual Leadership ConferenceMoral and Ethical Leadership2011