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About Me

I have been practicing criminal law at Wallin & Klarich since 1995 and have handled all types of matters. I represent clients in all Southern California Counties. I have had success against government prosecutors at the County, State and Federal level, whether be at the investigation/negotiation, trial or sentencing stage. I pride myself in providing each and every one of my clients with judicious legal representation as well as apt communication about their cases


Languages Spoken: Spanish, Vietnamese, English

Photos and Videos

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Practice Areas


  1. Violent Crime: 35%
    20 years, 6.48 thousand cases
  2. Federal Crime: 35%
    20 years, 6.9 thousand cases
  3. Criminal Defense: 30%
    20 years, 7.25 thousand cases



Hourly ($200-400/hour), Fixed (Sometimes), Retainer (Always), Free Consultation (30 minutes)

Payment Types:

Cash, Check, Credit Card

Attorney Endorsements

30 total 

  • Brian Edwin Skibby

    I have known David for nearly twenty years and I cannot think of a harder working and more dedicated attorney to his client.


    Brian Skibby DUI & DWI Attorney
    Relationship: Co-worker

  • Matthew N Selmer

    Attorney David R. Cohn is by far one of the best federal and criminal defense attorneys in California. His ability to understand the needs of his clients combined with his experience and superb knowledge of criminal laws and procedures, make attorney Cohn a leader in the legal industry. It is a true honor to work with attorney Cohn, and I wholeheartedly endorse him.


    Matthew Selmer Criminal Defense Attorney
    Relationship: Worked for lawyer

Contact Info

David R. Cohn, Esq.

P.O. Box 522
Trabuco Canyon, CA, 92678-0522

Wallin & Klarich A Law Corporation

505 N. Arrowhead
Suite 105
San Bernardino, CA, 92401




Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Award NameGrantorDate Granted
Superb Rated AttorneyAvvo2011
AV RatedMartindale-Hubbell2009
AV Peer Review RatingMartindale-Hubbell2007
Notable MentionOrange County Register2006
Summer DUI Trial SeminarNational College for DUI Defense2006
Certificate of AchievementOrange County Bar Association2006
Summer TrialNational College for DUI Defense2005
Work Experience
TitleCompany NameDuration
PartnerWallin & Klarich A Law Corporation1995 - Present
Association NamePosition NameDuration
State Bar of CaliforniaMemberN/A
American Bar AssociationMemberN/A
South Orange County Bar AssociationMemberN/A
Publication NameTitleDate
OC RegisterIt takes thick skin to be a defense lawyer2012
Orange County Lawyer MagazineDUI Defense Trial2008
School NameMajorDegreeGraduated
Southwestern University School of LawLawJD - Juris Doctor1995
California State University, FullertonBusiness AdministrationBA - Bachelor of ArtsN/A
Speaking Engagements
Conference NameTitleDate
Wallin & Klarich Annual ConferenceFederal Laws2013