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Marshall Douglas Murphy

Marshall Douglas Murphy

also known as Doug Murphy, Board Certified DWI Specialist

Practice areas:

DUI & DWI, Criminal Defense

About Me

Houston Press named Doug the “Drinking Driver’s Best Friend”.  DWI Board Certified Specialist, awarded as Best Lawyers in Amercia, and Texas Super Lawyer.   Nationally recognized legal seminar lecturer, and author of numerous published legal articles. In 2009, Doug was appointed Regent of the National College for DUI Defense.  That same year he was also appointed co-chair of the DWI Committee with the Texas Criminal Defense Lawyers Association, in addition to serving two consecutive terms on the Board of Directors for TCDLA from 2006-2012.  Doug is board certified in Criminal Law by the Texas Board of Legal Specialization, and also in DUI/DWI Defense by the National College for DUI Defense, which is approved by the American Bar Association and the Texas Board of Legal Specialization.  Doug was selected by his peers to be included in The Best Lawyers in America, 19th edition for his work in the practice area of DUI/DWI Defense.  In 2013, Doug was selected by his peers in The National Trial Lawyers Top 100 Trial Lawyers.  Doug is AV Preeminent-Rated® by Martindale-Hubbell.  Doug has been recognized as a Texas Super Lawyer Rising Star by Texas Monthly magazine every year since the recognition began in 2004, and also as a Texas Super Lawyer.  Doug was awarded the 2012 Sharon Levine Unsung Hero Lawyer of the Year Award by the Harris County Criminal Lawyers Association for his efforts in exposing the flaws in the Houston Police Departments BAT (breath alcohol testing) vans.  Doug was also recognized as a Top Lawyer for the People by H-Texas magazine.

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Languages Spoken: Spanish, English

Photos and Videos

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Practice Areas

Licensed since 1999

  1. DUI & DWI: 90%
    15 years
  2. Criminal Defense: 10%
    15 years

Payment

Fees:

Fixed (Always)

Payment Types:

Cash, Check, Credit Card

Attorney Endorsements

13 total 

  • Douglas Wayne Atkinson

    I have known Doug for years. I have watched Doug achieve superb results consistently for his clients. I have worked with Doug and observed his litigation skill surpass what seemed like insurmountable odds. Doug also spends much of his time educating lawyers to improve their skills. Doug is always well versed in the law and willing to assist other lawyers. Anyone that is represented by Doug is in good hands. I endorse this lawyer.

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    Douglas Atkinson Criminal Defense Attorney
    Relationship: Fellow lawyer in community

  • Robert James Fickman

    Doug Murphy is a great lawyer. Doug is one of the very best DWI lawyers in Texas. Doug is sharp and extremely knowledgeable in the law. Many other lawyers, including myself, call Doug for advise when we get hired on a DWI case. I have referred clients to Doug knowing that they will receive the best possible defense. Doug is well-respected in the legal community. When Doug walks into a courtroom, Prosecutors know that he means business. He is an outstanding lawyer & I highly recommend him.

    More 

    Robert Fickman Criminal Defense Attorney
    Relationship: Fellow lawyer in community

Contact Info

Trichter & Murphy, P.C.

The Kirby Mansion
2000 Smith St.
Houston, TX, 77002

Resume

License

StateStatusAcquiredUpdated
TXEligible To Practice In Texas 199908/25/2015

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.

Avvo Contributions

Legal Answers

Awards

Award NameGrantorDate Granted
Best Lawyers in America, 22nd EditionBest Lawyers in America2016
Texas Super LawyerTexas Monthly Magazine2015
Best Lawyers in America, 21st EditionBest Lawyers in America2015
Best Lawyers in America, 20th EditionBest Lawyers in America2014
Texas Super LawyerTexas Monthly Magazine2014
Top 100 Trial LawyersThe National Trial Lawyers2013
Best Lawyers in America, 19th EditionBest Lawyers in America2013
2012 Sharon Levine Unsung Hero Lawyer of Year AwardHarris County Criminal Lawyers Association2012
AV Preeminent 5.0 out of 5 Peer Review RatedMartindale-Hubbell2011
Texas Super LawyerTexas Super Lawyers Magazine2009
Texas Super Lawyer Rising StarTexas Super Lawyers Magazine2009
Texas Super Lawyer Rising StarTexas Super Lawyers Magazine2008
Professionals on the Fast TrackH Texas Magazine2007
Texas Super Lawyer Rising StarTexas Super Lawyers Magazine2007
Texas Super Lawyer Rising StarTexas Super Lawyers Magazine2006
Texas Super Lawyer Rising StarTexas Super Lawyers Magazine2005
Texas Super Lawyer Rising StarTexas Super Lawyers Magazine2004
Board Certified - Criminal LawTexas Board of Legal SpecializationN/A
Board Certified DWI DefenseNational College for DUI DefenseN/A

Work Experience

TitleCompany NameDuration
PartnerTrichter & Murphy, P.C.1999 - Present

Associations

Association NamePosition NameDuration
Texas Criminal Defense Lawyers AssociationDWI Committee co-chair2006 - 2007
Texas Criminal Defense Lawyers AssociationBoard of Directors2006 - 2012
National College of DUI DefenseRegent2000 - Present
National Association of Criminal Defense LawyersN/A1998 - Present
Harris County Criminal Lawyers AssociationN/A1998 - Present
Fort Bend County Criminal Defense Lawyers AssociationN/A1998 - Present

Legal Cases

Case NameOutcome
State of Texas v. R.O.Dismissed
State of Texas v. J.D.NOT GUILTY
State of Texas v. A.C.NOT GUILTY

See all Legal Cases 

Publications

Publication NameTitleDate
National Association of Criminal Defense LawyersDefending Boating Cases2015
The Defender, (Harris County Criminal Lawyers Association)Defending Boating While Intoxicated Cases2015
The Houston LawyerWhat Every Sober Driver in Texas Need to Know: The Truth about DWI,2014
The Voice (TCDLA))Defending Boating While Intoxicated Cases2014
Voice for the Defense (Texas Criminal Defense Lawyers Association)Presenting a Persuasive Opening Statement 60 Minutes Style2011
Voice for the Defense (Texas Criminal Defense Lawyers Association)Blood Tests & Confrontation: A Bull is Coming2011
Voice for the Defense (Texas Criminal Defense Lawyers Association)Challenging Drug Recognition "Experts"2009
Voice for the Defense (Texas Criminal Defense Lawyers Association)Catch of the Day: Application for Writ of Habeas Corpus2009
Voice for the Defense (Texas Criminal Defense Lawyers Association)Preclusion of Post-Verdict Statements2003
State Bar of Texas publicationAdministrative License Revocation Hearings: A DWI Specialist's Primer for the General Practitioner2002

Education

School NameMajorDegreeGraduated
Texas Southern UniversityDoctor of Jurisprudence/Juris Doctor (J.D.)N/A1999
Arizona State UniversityN/AN/AN/A

Speaking Engagements

Conference NameTitleDate
The Art of DWI Defense - Dallas, TXCross Exam of the State’s Blood Expert.2015
Mastering Scientific Evidence - New Orleans, LACo-course director2015
Lone Star DWI Seminar - Austin, TXChallenging Drug Recognition Experts2015
DWI for Public Defenders - Casper, WyomingBreath Test Trial Tactics2015
DWI for Public Defenders - Casper, WyomingCombating Drug Recognition Evidence2015
2015 Summer Session - Cambridge, MACurriculum Director2015
Top Gun DWI - Houston, TXDefending Boating While Intoxicated Cases.2014
Mastering Scientific Evidence - New Orleans, LACo-Course Director2014
Law and All that Jazz - New Orleans, LAAttacking Drug Recognition "Evidence"2014
Harris County CLE - Houston, TXTrial Tactics on Defending DWI Cases2014
DWI Update - Livingston, TXDefending Boating While Intoxicated Cases & Case Law Update2014
DWI for Public Defenders - Lubbock, TXBreath Test Trial Tactics2014
DWI for Public Defenders - Edinburg, TXHow to Exclude or Neutralize Experts2014
DWI Experts - Baton Rouge, LAExcluding and Neutralizing Experts2014
DWI for Public Defenders - Dallas, TXHow to Exclude or Neutralize Experts2014
Annual DUI Seminar & Training - Chattanooga, TNChallenging Drug Recognition Evidence.2014
2014 Winter Session - San Diego, CADefending Boating While Intoxicated Cases2014
2014 Summer Session - Cambridge, MATrial Tactics2014
Top Gun DWI Defense - Houston, TexasDWI Voir Dire2013
Stuart Kinard Memorial Advanced DWI Seminar - San Antonio, TXCo-Course Director2013
Rusty Duncan Advanced Criminal Law Seminar - San Antonio, TXHow to Beat Blood Test Cases2013
Mastering Scientific Evidence - New Orleans, LACo-Course Director2013
DWI Public Defenders - El PasoDWI Voir Dire2013
DWI Public Defenders - Edinburg, TXDWI Voir Dire2013
DWI Means Defending with Ingenuity - Las Veas, NevadaWinning Breath Test Cases - Trial Tactics2013
DWI for Public Defenders - Dallas, TXDWI Voir Dire2013
DWI for Public DefendersHow to Exclude or Neutralize Experts2013
Criminal Law 101: Training Day - Houston, TexasExcluding and Neutralizing Experts2013
Colorado DWI Gurus for Public Defenders - Denver, ColoradoDismantling Drug Recognition Evidence2013
Successful DWI Defense - Omaha, NebraskaAttacking Drug Recognition Evaluations2012
Stu Kinard Advanced DWI Seminar - San Antonio, TXCo-Course Director2012
Rusty Duncan Advanced Criminal Law SeminarCo-Course Director2012
NCDD Summer Session 2013 - Cambridge, MassachusettsOpening Statements & Voir Dire2012
Mastering Scientific Evidence, New Orleans, LouisianaChallending Drug Recognition "Experts"2012
DWI means Defending with Ingenuity - Las Vegas, NevadaDismantling DRE Evidence2012
DWI Innocence Project - Dallas, TXVoir Dire: Linking to Closing Arguments2012
DWI for Public DefendersRules of Evidence and Cross Examination2012
Austin Criminal Defense Lawyers Association - Austin, TXThe Constitutional Right to a Fair Trial Contemplates and Unfair Trial2012
Arizona Advanced Criminal Law SeminarVoir Dire2012
Winning Trial TacticsAttacking Drug Recognition Evaluations2011
Trial Tactics - Art of WarWinning Breath Test Tactics2011
Stu Kinard Advanced DWI SeminarCo-Chair, and Attacking Drug Recognition Evidence2011
New York State Bar BIG Apple DUI Seminar, New York, New YorkWinning Breath Test Cases2011
NCDD Summer Session conducted at Harvard Law School, Cambridge, MassachusettsDWI Voir Dire2011
Mastering Scientific Evidence, New Orleans, LouisianaLead Defense Counsel in Blood Test Mock Trial2011
DWI for Public DefendersRule of Evidence & Cross Examination in a DWI Case2011
Cross ExaminationCourse Director2011
Advanced Criminal Law CourseBeating Breath Test Cases2011
Washington State Association for Justice DWI Seminar, Seattle, WashingtonVoir Dire2010
Stu Kinard Advanced DWI SeminarPersuasive Breath Testing Bullets2010
NCDD/NACDL DWI means Defending With Ingenuity, Las Vegas, NevadaCross Examination in Blood Test Cases2010
NCDD/NACDL DWI means Defending With Ingenuity, Las Vegas, NevadaOpening Statements2010
NCDD Summer Session conducted at Harvard Law School, Cambridge, MassachusettsPersuasive Closing Arguments2010
Mastering Scientific Evidence, New Orleans, LouisianaLead Counsel in Breath Test Case2010
Jefferson County Bar Association DWI SeminarReasonable Suspicion2010
Fort Bend County Criminal Lawyers AssociationControlling the Courtroom with the Rules of Evidence2010
El Paso Public DefendersDWI Defense Practice Tips2010
DWI Innocence Project - Obtaining Not Guilty Verdicts by Enforcing the LawCo-course director & Reasonable Suspicion & Terry Stops2010
Dallas Public DefendersDWI Defense Practice Tips2010
Amarillo Criminal Defense Lawyers AssociationDWI Law2010
Trying a Breath Test Case Like the Pro's Do, Columbus, OhioHow to Beat a Breath Test2009
Stu Kinard Advanced DWI SeminarBlood Search Warrants2009
NCDD Summer Session conducted at Harvard Law SchoolPresenter2009
Mastering Scientific Evidence, New Orleans, LouisianaDefense Counsel in Mock Trial2009
Vermont Association of Criminal Defense LawyersChallenging DRE2008
Top Gun DWI SeminarEffective Use of Experts2008
Stu KInard Advanced DWI SeminarChallenging DRE Evidence2008
Rusty DuncanChallenging DRE Evidence2008
Mastering Scientific EvidenceChallenging DRE Evidence2008
Georgia Institute of Continuing Legal Education, Defense of Drinking Driver's Institute, Atlanta, GAShooting Down the Drug Recognition Program2008
Stu Kinard Advanced DWI SeminarChallenging DRE Evidence2007
DWI SeminarAttacking DRE Evidence2007
Stu Kinard Advanced DWI SeminarAdministrative License Revocation Hearings2006
Mastering Scientific EvidenceCo-Counsel in Mock Trial2006
DWI SeminarCo-course Director2006
Top Gun DWI SeminarRule of Evidence2005
Advanced DWI SeminarEvidence in a DWI Case2005
The Masters of DWI DefenseRule of Evidence in a DWI Case2004
Ten Minute MentorDWI Defense2004
DWI Seminar10 Silver Bullets in a DWI Case2004
A Day in the Life of a Criminal Defense LawyerDWI Evidence2004
A Day in the Life of a Criminal Defense LawyerTexas Rules of Evidence2004
NCDD Summer Session conducted at Harvard Law SchoolEvidence in a DWI Case: Objections & Proffers2003
DWI SeminarALR Hearings2003
CDLP: A Day in the Life of a Criminal Defense LawyerALR Hearings2003
CDLPDWI Evidence2003
Costa Rica Advanced DWI SeminarDriver's License Administrative Revocations in Drunk Driving Cases2001