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Steve Mercer - Rockville, MD

50 West Montgomery Ave.Suite 200 Rockville, MD 20850

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Updated: 01/31/2023

Rockville Criminal Lawyer


Steve Mercer is a practicing lawyer in Maryland (1995) and the District of Columbia (1997). Steve’s experience and expertise focus on the use of scientific evidence in criminal and civil litigation. Steve is considered one of the nation’s top attorneys on the subject of complex mixtures of touch DNA. Steve has over two decades of trial, appellate, and post-conviction experience, primarily in private practice...

About Steve Mercer

Practice Areas

  • Criminal
  • Civil Litigation
  • Appeals and Post-Conviction

Current Employment Position(s)

  • Attorney, Partner


Bar Admissions

  • Maryland, 1995
  • District of Columbia, 1997


  • District of Columbia School of Law, Washington, District of Columbia
  • Syracuse University, Syracuse, New York, 1984

Pro Bono Activities

  • State of Maryland, Education, Ethics, and Terminology (EET) Interagency Working Group, 2011 - 2012
  • Pro Bono Public Award, Whitman Walker Clinic, Washington, DC

Classes and Seminars

  • Complex Mixtures of Touch DNA, Maryland Judicial Training Institute
  • Privacy and Racial Justice Implications of Familial Searching of DNA Databanks, FBI’s National CODIS symposium
  • Privacy and Racial Justice Implications of Familial Searching of DNA Databanks, American Academy of Forensic Sciences
  • Privacy and Racial Justice Implications of Familial Searching of DNA Databanks, National Institute of Justice
  • Use of Scientific Evidence in Criminal Trials, United States President’s Council of Advisors on Science and Technology (PCAST), 2016 - 2016
  • Adjunct Professor, Scientific Evidence, David A. Clarke School of Law


Other Sources of Feedback About Steve Mercer

Included on the 2024 Maryland list

Past Lists

  • 2023 Maryland Super Lawyers list
  • 2022 Maryland Super Lawyers list
  • 2021 Maryland Super Lawyers list
  • 2020 Maryland Super Lawyers list
  • 2019 Washington DC Super Lawyers list
  • 2011 Maryland Super Lawyers list
  • 2010 Maryland Super Lawyers list

View the profile for Steve Mercer on Super Lawyers

Video & Photo


Office Information


50 West Montgomery Ave.Suite 200 Rockville, MD 20850


  • 833-816-5605

Accepts Credit Cards




  • A Critical Account of the Raines Decision for Maryland Practitioners, Maryland’s DNA Databank, Md. B.J. 17, November/December, 2004
  • Shadow Dwellers: The Underregulated World of State and Local DNA Databases, 69 N.Y.U. Ann. Surv. Am. L. 639, 2014

Representative Cases

  • Maryland v. Raines
  • Maryland v. King
  • Horridge v. Dept. of Social Services
  • Derr v. State (I & II)
  • Argueta v. State
  • Neustadter v. Holy Cross Hospital

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50 West Montgomery Ave.Suite 200 Rockville, MD 20850

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