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About me

40 years experience practicing law in the Baltimore City/County area, specializing in personal injury, auto accidents and premises liability cases. Wide experience with serious criminal jury trials including homicides.  Also handling Workers' Compensation claims and estates.  Court appointed mediator in Baltimore City, Baltimore County  Howard County and statewide for business and technology. Will take on selective cases in Pennsylvanai and U.S. District Court.


Languages spoken: French, English

Practice areas


  1. Personal Injury: 50%
    42 years, 2 thousand cases
  2. Criminal Defense: 30%
    42 years, 6 thousand cases
  3. Workers Compensation: 10%
    42 years, 1 thousand cases
  4. Mediation: 10%
    11 years, 150 cases



Hourly ($200-250/hour), contingent (33-40%)

Payment types:

Cash, Check

Attorney endorsements

4 total 

Are you an attorney? Endorse this lawyer

  • Michael S. Waddington

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


    Michael Waddington Military Law Attorney
    Relationship: Fellow lawyer in community

  • Barry Jeffrey Diamond

    I endorse this lawyer. I have known Mr. Calhoun for over 30 years and he is an excellent trial attorney in both civil and criminal cases


    Barry Diamond Workers Compensation Attorney
    Relationship: Fellow lawyer in community

Contact info

John L. Calhoun

Suite 1252
World Trade Center
Baltimore, MD, 21202

John L. Calhoun

401 East Pratt Street
Suite 1252
Baltimore, MD, 21202



DCInactive 197705/24/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Who's Who in American EducationWho's Who1994
Who's Who in American LawWho's Who1984
Who's Who in American LawWho's Who In American Law1983
Work experience
TitleCompany nameDuration
AssociateKandel & Associates2006 - Present
MediatorCircuit Court Mediator for Baltimore City, Baltimore County and Howard County2004 - 2013
AssociateRosen & Esterson2003 - 2006
AssociateSaiontz & Kirk2000 - 2003
Assistant Public Defender IIIPublic Defender Office for Baltimore City1975 - 1979
OwnerLaw Office of John Calhoun1973 - 2000
Association namePosition nameDuration
Maryland State Bar AssociationMember2010 - Present
Maryland Criminal Defense Attorneys' AssociationMember1994 - Present
United States District Court for the Eastern District of PennsylvaniaMember1992 - Present
Maryland Trial Lawyers AssociationMember1990 - 2002
Baltimore County Bar AssociationChair, Memorial Committee1982 - 1999
American Trial Lawyers AssociationMember1982 - 1985
United States Supreme CourtMember1978 - Present
United States Court of Appeals for the Fourth CircuitMember1977 - Present
District of Columbia BarMember1977 - 2008
Pennsylvania Bar AssociationMember1974 - 1975
The Maryland BarMember1974 - Present
Bar Association of Baltimore CityMember1974 - 1979
The Pennsylvania BarMember1974 - Present
United States Court of ClaimsMember1974 - 1979
United States Tax CourtMember1974 - 1979
United States District Court for MarylandMember1973 - Present
American Bar AssociationMember1973 - 1979
Federal Trial Bar AssociationMember1973 - 1978
The Florida BarMember1973 - 2007
University of Miami Law School Alumni AssociationMember1973 - Present
Legal cases
Case nameOutcome
Kit West v. Jupiter Collazzo$155,000 verdict
Ernie Henson v. Owl Metals$115,000 settlement
State v Bryant Williams, Att. MurderAcquittal
See all legal cases 
Publication nameTitleDate
National Business InstituteGetting Results in the Collection of Delinquent Debts in Maryland1997
National Business InstituteSkip Tracing in Maryland1996
School nameMajorDegreeGraduated
University of Miami School of LawLawJD - Juris Doctor1973
Randolph-Macon CollegeHistoryBA - Bachelor of Arts1970
Speaking engagements
Conference nameTitleDate
National Business InstituteComercial Debt Collection in Maryland1997
National Business InstituteSkip Tracing Debtors in Maryland1996
American Paralegal InstituteMaryland Criminal Law1992
American Paralegal InstituteWills Trusts and Estates in Maryland1992
Community College of Baltimore CityMaryland Criminal Law1980
University of Baltimore Law SchoolPost Conviction Relief1979