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About me

 In 1996 he completed a 20 hour National Highway Traffic Safety Administration approved training course on Standard Field Sobriety Testing, and a 20 hour refresher course in June 1997. In 2004, Ken authored articles on "Law You Can Use" for the Ohio State Bar Association and an article for the "Vindicator", a quarterly publication for the Ohio Academy of Criminal Defense Lawyers. In December of 2004, Mr. Bossin participated in a panel discussion in Toronto, Canada giving a United States perspective on the laws of Driving Under the Influence of Alcohol and Drugs. In 2005, he obtained a Certificate of Training as an instructor for the National Highway Traffic Safety Administration (NHTSA) DWI Detection and Standardized Field Sobriety Testing Program. He also obtained a Certificate of Competency in the Operation, Diagnostic Verification and Calibration for the BAC DataMaster Breath Alcohol Testing Instrument.

Mr. Bossin has served as a consultant (expert) regarding Field Sobriety Testing in Aggravated Vehicular Homicide and other OVI cases and has testified as an expert on Field Sobriety Testing in Lake County and Cuyahoga County Common Pleas Courts and Portage County Municipal Court.  He served as an Instructor in teaching DWI Detection and SFST’s in June, 2007.


Practice areas


  1. DUI & DWI: 70%
    45 years, 1.5 thousand cases
  2. General Practice: 20%
    45 years, 750 cases
  3. Criminal Defense: 10%
    45 years, 500 cases


Payment types:

Cash, Check

Attorney endorsements

14 total 

Are you an attorney? Endorse this lawyer

  • Brandon James Henderson

    I endorse this lawyer. I have known Ken for quite awhile. He is an excellent attorney and person. I have been to seminars at which he has spoken and have always enjoyed his knowledge. He is always well versed in the law and puts his clients' best interest first and foremost!


    Brandon Henderson Criminal defense Attorney
    Relationship: Fellow lawyer in community

  • Michael S. Waddington

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


    Michael Waddington Military law Attorney
    Relationship: Fellow lawyer in community

Contact info

1392 Som Center Road
Cleveland, OH, 44124


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Thank you for "Incredible Contribution"Ohio Association of Criminal Defense Lawyers2011
Thank You for "Outstanding Presentation"Ohio Association of Criminal Defense Lawyers2010
President's AwardCuyahoga County Bar Association2001
Outstanding Service and Leadership AwardCuyahoga County Bar Association1999
Work experience
TitleCompany nameDuration
N/ASelf Employed Attorney1971 - Present
Association namePosition nameDuration
National College of DUI DefenseN/A2002 - Present
Ohio Association of Criminal Defense LawyersN/A1991 - Present
Ohio State Bar AssociationN/A1985 - Present
Cleveland Metropolitan Bar AssociationN/A1985 - Present
Cuyahoga County Bar AssociationPast President1998 - 1999
Legal cases
Case nameOutcome
City of Cleveland vs. TrzebuckowskiSupreme Court reversed the Court of Appeals and dismissed the charges
See all legal cases 
Publication nameTitleDate
The Vindicator, OACDL“123 and 12 Point Suspension Appeals”2004
School nameMajorDegreeGraduated
Cleveland State UniversityN/AJD - Juris Doctor1970
Speaking engagements
Conference nameTitleDate
2015 Trial Advocacy SeminarNuts & Bolts of OVI Defense2015
2015 OVI SeminarOVI-From Interview to Trial2015
Municipal Court UpdateIt's Not My Job--Or Is It2014
Annual Convention/Traffic Law UpdateIntoxilyzer 8000-Is It Alive and Well in Ohio2013
Advanced DUI SeminarALS Issues/Hearings2011
Advanced DUI SeminarPleading You Must File In An OVI Case2011
Advanced DUI SeminarChallenging the Validity of an ALS Suspension2010
OVI Update 2009Using Field Sobriety Test at Trial2009