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Practice areas


  1. Medical Malpractice: 20%
  2. Personal Injury: 20%
  3. Defective Products: 20%
  4. Wrongful Death: 20%
  5. Litigation: 20%

Attorney endorsements

6 total 

Are you an attorney? Endorse this lawyer

  • Michael S. Waddington

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


    Michael Waddington Military law Attorney
    Relationship: Fellow lawyer in community

  • Howard Dale Mishkind

    I endorse this lawyer.


    Howard Mishkind Medical malpractice Attorney
    Relationship: Fellow lawyer in community

Contact info

Landskroner Grieco Merriman Law Firm

1360 W 9th Street
Suite 200
Cleveland, OH, 44113-1254


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Garretson's Courage AwardOhio Association for Justice2014
President's Award for Recognition in National LeadershipCleveland Academy of Trial Attorneys2013
Cincinnati MagazineOhio Superlawyer2012
Ohio SuperlawyerCincinatti Magazine2011
Ohio SuperlawyerCincinnati Magazine2010
Ohio SuperlawyerCincinnati Magazine2009
Ohio SuperlawyerCincinnati Magazine2008
Ohio SuperlawyerCincinnati Magazine2007
Presidents Award for Exceptional ServiceCleveland Academy of Trial Attorneys2007
Ohio SuperlawyerCincinnati Magazine2006
Ohio SuperlawyerCincinnati Magazine2005
Ohio SuperlawyerCincinnati Magazine2004
AV-Rated Highest RatingMartindale-HubbellN/A
Association namePosition nameDuration
Eighth Judicial District of Ohio Conference MemberMember2007 - Present
Cleveland Academy of Trial AttorneysBoard Member2002 - Present
Public Justice FoundationBoard Member1999 - Present
Public JusticeMember1992 - Present
Cleveland Marshall College of Law, Alumni AssociationMemberN/A
Ohio Academy of Trial LawyersMemberN/A
American Association for JusticeMemberN/A
Public Justice FoundationPresident2012 - 2013
Cuyahoga County Bar AssociationMember2004 - 2005
Ohio State Bar AssociationMember1992 - 2001
Legal cases
Case nameOutcome
Ritt v. Billy Blanks EnterprisesReversal of Trial Court's denial of class certificaiton
State Ex.Rel. Smith v. Cuyahoga County Court of Common PleasUnanimous Decision of Ohio Supreme Court in Favor of Plaintiff Mandating the Cuyahoga County Trial Judge to Accept the Case
Rinaldi v. Cityview Nursing HomeThe Court of Appeals Affirmed the Order Requiring Production of Incident Reports
See all legal cases 
Publication nameTitleDate
Cleveland Academy of Trial AttorneysBad Faith Insurance Practices2006
Ohio Academy of Trial LawyersGender Injustice and Tort Reform(Vol.14, Issue 2)2004
Cleveland Academy of Trial AttorneysClass Action Litigation2003
The Cleveland Bar JournalFederal Pre-emption: Geier and its implications2001
Ohio LawyerU.S. Supreme Court Allows Fee-Silent Arbitration Clauses2001
Ohio Academy of Trial LawyersFighting Federal Preemption (Volume 13, Issue 2)N/A
Ohio Academy of Trial LawyersFighting Unnecessary Court Secrecy (Volume 13, Issue 1)N/A
School nameMajorDegreeGraduated
Cleveland State University - Cleveland-Marshall College of LawLawJD - Juris Doctor1992
Boston UniversityLaw and Social RelationsBA - Bachelor of Arts1989