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About me

Mark J. Lang is dedicated to helping people in their legal needs.  He is licensed as an attorney in California, Oregon and Washington.  He is practicing on the north Oregon Coast in Astoria.  He is also affiliated with the Law Offices of Campbell & Popkin, LLC.

Mark grew up in Downieville, CA.  He graduated from Santa Clara University and received his Bachelor of Science in 1993.  Mark then went to law school at the University of North Dakota.  He was on the Dean's List and was Student Director for the Legal Aid Clinic.  He graduated law school in 1997. 

He then moved to the North Oregon Coast with his wife Christy.  He developed the Clatsop County Domestic Violence Response Team.  In 1998 to 2007 he became a successful prosecutor for the Clatsop County District Attorney's Office.  He prosecuted over 200 jury and court trials.  He developed expertise in DUII, Identity Theft, Child Support, and Property Crimes.  He was an instructor for law enforcement and became a faculty member of the National Advocacy Center.

In 2007, Mark moved back to Downieville and worked as CEO of the Western Sierra Medical Clinic (WSMC).  WSMC is a Federally Qualified Health Center.  He expanded WSMC from 1,300 patients to over 10,000.  He guided WSMC in a successful merger with another Community Health Center.  Mark gained expertise in contracts, HIPAA and HITECH.  Mark has strong experience in electronic medical record compliance and complex federal and state regulations.

In 2010, Mark decided to return to his passion of the law and moved back to Oregon.  For more information about Mark go to 


Photos and videos

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Practice areas


  1. Family: 30%
    19 years, 1 thousand cases
  2. Criminal Defense: 25%
    19 years, 1 thousand cases
  3. DUI & DWI: 20%
    19 years, 1 thousand cases
  4. General Practice: 20%
    19 years, 100 cases
  5. Adoption: 5%
    19 years, 20 cases



Hourly ($150/hour), Fixed (always), Retainer (always)

Payment types:

Cash, Check, Credit card

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Contact info

Mark J. Lang, Attorney At Law

251 St. Helens St., # 22
P.O. Box 1611
St. Helens, OR, 97051


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Faculty memberNational Advocacy Center2007
Work experience
TitleCompany nameDuration
AttorneyMark J. Lang, Attorney at Law2010 - Present
AssociateLaw Offices of Campbell & Popkin, LLC2010 - 2011
Attorney, Chief Executive Officer and OperationsWestern Sierra Medical Clinic, Inc.2007 - 2010
Senior Deputy District AttorneyClatsop County District Attorney's Office1998 - 2007
Association namePosition nameDuration
Oregon State Bar, House of DelegatesDelegate Region 42012 - Present
Clatsop Health DistrictSecretary/Treasurer2011 - 2014
Oregon Criminal Defense Lawyers AssociationAttorney Member2011 - Present
National District Attorneys AssociationAttorney Member2006 - 2007
Clatsop County Bar AssociationSecretary/Treasurer1998 - 2000
Clatsop County Bar AssociationAttorney Member1997 - Present
Oregon Primary Care AssociationMemberN/A
Oregon State Bar, Litigation SectionMemberN/A
Oregon State Bar, Health Law SectionMemberN/A
Oregon State Bar, Criminal Law SectionMemberN/A
Legal cases
Case nameOutcome
Attempted MurderNegotiated case to probation
State of Oregon v. J.TAble to negotiate a sentence to Assault 2 with probation and a suspended prison sentence
State v J.O.Plead to Assault 3. 50 months non-measure 11, good time credits and alternative incarceration programs.
See all legal cases 
Publication nameTitleDate
Web publicationAll things Legal2012
School nameMajorDegreeGraduated
University of North Dakota School of LawN/AJD - Juris Doctor1997
Santa Clara UniversityPolitical ScienceBS - Bachelor of Science1993
Speaking engagements
Conference nameTitleDate
Clatsop Police AcademyCommunity Police Training2006