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Practice areas


  1. Business: 60%
  2. Intellectual Property: 20%
  3. Employment: 10%
  4. Personal Injury: 10%

Attorney endorsements

17 total 

Are you an attorney? Endorse this lawyer

  • Michael S. Waddington

    I endorse Marc. He is a highly skilled attorney that is well respected in the legal community.


    Michael Waddington Military Law Attorney
    Relationship: Fellow lawyer in community

  • Ryan Joseph Williams

    I endorse this lawyer's work.


    Ryan Williams Litigation Attorney
    Relationship: Worked together on matter

Contact info

Callahan & Blaine

3 Hutton Centre Drive
Ninth Floor
Santa Ana, CA, 92707


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Rising StarSuper Lawyers MagazineN/A
Work experience
TitleCompany nameDuration
PrincipalCallahan & Blaine2003 - Present
AssociateCarpenter, Rothans & Dumont1998 - 2003
Association namePosition nameDuration
Business Litigation Section, Orange County Bar AssociationChairman2012 - 2012
Orange County Bar AssociationMember2003 - Present
Legal cases
Case nameOutcome
Beverage Distributor v. Product Designer, Manufacturer and Packer$9.4 Million Settlement
Neria v. City of Dana Point$50 Million Settlement
Beckman Coulter v. Flextronics$934 Million Jury Verdict
See all legal cases 
Publication nameTitleDate
Orange County Lawyer MagazineTips for Handling High Profile Media Cases2010
Orange County Business JournalRefund on Unlawfully High Interest Rate Loans: Liabilities of Non-Exempt Lenders2010
Orange County Business JournalA Legal Pitfall in a Green World2010
Orange County Business JournalSports Agents Face Significant Liabilities2010
School nameMajorDegreeGraduated
Southwestern University School of LawLawJD - Juris Doctor1998
University of California - IrvineCriminology, Law and SocietyBA - Bachelor of Arts1994
Speaking engagements
Conference nameTitleDate
Center for Terrorism LawContractors on the Battlefield2005