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James Frederick Rumm

James Frederick Rumm

Practice areas:

Litigation, Appeals

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About Me

I have been practicing for more than 10 years and have tried numerous matters to juries and judges.  I have also argued on several occassions before the California Court of Appeal and the Ninth Circuit.  

My office takes every case seriously and personally because we know that clients who come to us for representation have serious issues that need our help and we do everything we can to help each and every client to get their best result while always keeping in mind that the client's interests are far greater than our own in the case.  


Languages Spoken: Spanish, English

Photos and Videos

270408 1377622286

Practice Areas

Licensed since 2003

  1. Litigation: 95%
    13 years
  2. Appeals: 5%
    13 years


Payment Types:

Cash, Check, Credit Card

Attorney Endorsements

3 total 

  • Dana Lee Douglas

    I endorse this lawyer. James Rumm is incredibly smart. His mind is nimble and quick, and he knows the law in great detail. He also has a friendly and pleasant demeanor that is all too rare in attorneys. And finally, he is very conscientiously ethical and a true gentleman. He practices with a dignity and honesty that is deserving of great respect. I would feel very comfortable referring clients to him.


    Dana Douglas Employment & Labor Attorney
    Relationship: Worked together on matter

  • Diana Lopez

    I endorse this lawyer. James has settled dozens of cases in the six and six figure range. He does diligent work for his clients and works hard on a case to get it the most value. I highly recommend James for any personal injury cases.


    Diana Lopez Personal Injury Attorney
    Relationship: Worked together on matter

Contact Info

Mahaffey Law Group

4 San Joaquin Place, Suite 320
Newport Beach, CA, 92660



Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Award NameGrantorDate Granted
Dean's ListUC Berkeley1996

Work Experience
TitleCompany NameDuration
PartnerDouglas, Lopez & Rumm, LLP2010 - 2012
Team Lead AttorneySayre & Levitt, LLP2002 - 2010

Association NamePosition NameDuration
Orange County Bar AssociationN/AN/A
Orange County Hispanic Bar AssociationN/AN/A
Orange Chamber of CommerceN/AN/A

Legal Cases
Case NameOutcome
Doe Infant v. Soup MakerSettled

See all Legal Cases 

Publication NameTitleDate
Vogt, Resnick & Sherak Business BriefBe Careful with Your Threats2013

School NameMajorDegreeGraduated
Univ of California BerkeleyN/AundergraduateN/A
Pepperdine Univ SOLN/AlawN/A