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About me

Adam R. Leighton ( , an AV-Rated lawyer and Partner at Cohen & Cohen, PC, is a 1997 graduate of the University of Toledo School of Law. In 1993, he received a Bachelor of Arts in English, with a minor in Economics from Tulane University.

 During law school, Mr. Leighton was a clerk for the Sixth District Court of Appeals (Toledo, Ohio), an intern at the Lucas County Public Defender’s Office, and a clerk for the Ohio Attorney General’s Office. He is a member of the District of Columbia, Maryland, Ohio (inactive) and Maine (inactive) bars and the District of Columbia Trial Lawyers Association.


Mr. Leighton focuses his practice in the area of medical negligence, automobile, and premises matters. Mr. Leighton won the Cohen & Cohen, P.C. Trial Lawyer of the Year Award for his exceptional work in the area of medical negligence cases. He was named one of the Top 100 Trial Lawyers in DC by the American Trial Lawyers Association and named as one of Washington DC’s Super Lawyers in 2010, 2011, 2012 & 2013.

Mr. Leighton has served on the Tort Law Steering Committee and Steering Committee of the Injury to Persons and Property Section of the D.C. Bar. Mr. Leighton is also the current 2011-2012 President for the Trial Lawyers Association of Washington, D.C. He has served as a Board of Governor and as a Chair of the Education Committee. Mr. Leighton has also served as a trial judge at the George Washington University Law School.


Practice areas


  1. Defective Products: 34%
  2. Car Accident: 33%
  3. Medical Malpractice: 33%

Attorney endorsements

2 total 

Are you an attorney? Endorse this lawyer

  • No photo

    Adam's genuine passion for helping his clients is evident in every case he handles. He puts extraordinary effort into representing his clients.


    Elizabeth Fleming Personal Injury Attorney
    Relationship: Worked for lawyer

  • Craig D Miller

    Adam is an excellent lawyer. Honest and tireless, he is an asset to any client that he represents.


    Craig Miller Medical Malpractice Attorney
    Relationship: Fellow lawyer in community

Contact info

Cohen & Cohen, PC

1220 19th Street, NW
Washington, DC, 20036


DCActive 199811/29/2015
MEInactive Non-Resident199801/13/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Top 100 Trial Lawyer in Washington DCThe National Trial Lawyers2013
Super LawyerWashington DC Super Lawyers2013
AV Preeminent Rating (5.0 out of 5.0)Martindale-Hubbell2013
Top 100 Trial Attorney in Washington, DCThe National Trial Lawyers2012
Super LawyerWashington DC Super Lawyers2011
Top 100 Trial Attorney in Washington DCThe National Trial Lawyers2011
Super LawyerWashington DC Super Lawyers2010
Top 100 Trial Lawyer In Washington DCThe National Trial Lawyers2010
Top 100 Trial Attorney in Washington DCThe National Trial Lawyers2009
Work experience
TitleCompany nameDuration
PartnerCohen & Cohen, PC1998 - Present
Association namePosition nameDuration
District of Columbia Trial Lawyers AssociationPresident2011 - 2012
School nameMajorDegreeGraduated
Tulane UniversityEnglishBA - Bachelor of Arts1993
University of Toledo College of LawN/AJD - Juris DoctorN/A