Key Takeaways

  • Ohio follows a modified comparative negligence system with a 50% bar for fault allocation
  • Commercial general liability policies use file and use rate regulation
  • Joint and several liability applies in Ohio with modifications
  • Professional liability insurance is required for certain licensed professions
  • Ohio recognizes negligence per se for statutory violations
Last updated: January 2026

Ohio General Liability Insurance

Ohio has specific requirements for general liability insurance that agents must understand.

Modified Comparative Negligence

Ohio uses modified comparative negligence with a 50% bar:

How It Works

  • Fault is allocated among all parties
  • Damages reduced by percentage of fault
  • 50% Rule: If 50% or more at fault, NO recovery

Joint and Several Liability

Ohio has modified joint and several liability:

Defendant FaultLiability Rule
More than 50% responsibleJoint and several for economic damages
50% or less responsibleSeveral liability only (their share)

Economic vs. Non-Economic Damages

  • Economic: Joint and several liability applies
  • Non-Economic: Several liability only (each pays their share)

Commercial General Liability (CGL)

Ohio CGL policies must comply with state requirements:

Required Elements

  • Occurrence vs. claims-made coverage clearly disclosed
  • Coverage territory defined
  • Limits per occurrence and aggregate
  • Defense costs—duty to defend
  • Standard exclusions applied

Rate Regulation

Under file and use:

  • Rates filed with ODI
  • Can be used immediately
  • Subject to post-implementation review
  • Must be actuarially justified

Professional Liability

Ohio requires or regulates professional liability for various professions:

State-Mandated Coverage

ProfessionRequirement
AttorneysMust carry malpractice or disclose lack of coverage
PhysiciansMedical malpractice required
ArchitectsE&O for licensed practice
EngineersE&O for licensed practice
Real Estate AgentsE&O recommended
Insurance AgentsE&O recommended

Negligence Per Se

Ohio recognizes negligence per se:

Definition

When a defendant violates a statute or regulation:

  • Violation is automatic breach of duty
  • No need to prove what a reasonable person would do
  • Still must prove causation and damages
  • Statute must be designed to protect the injured class

Common Examples

  • Traffic violations causing accidents
  • Building code violations causing injury
  • OSHA violations causing workplace injury

Products Liability

Ohio products liability insurance:

Theories of Liability

TheoryStandard
Strict LiabilityProduct was defective and unreasonably dangerous
NegligenceDefendant failed to exercise reasonable care
Breach of WarrantyProduct failed to meet warranty terms

Ohio Products Law

  • Statute of repose: 10 years for products
  • Strict liability recognized
  • Component part manufacturers may be liable
  • Sophisticated user defense available

Premises Liability

Ohio premises liability depends on entrant status:

Classification of Entrants

StatusDuty Owed
InviteeHighest duty—reasonable care
LicenseeWarn of known hidden dangers
TrespasserNo willful or wanton conduct
Child TrespasserSpecial rules apply (attractive nuisance)

Recreational User Statute

Ohio limits landowner liability for:

  • Recreational activities on private land
  • No charge for use
  • Limits duty to warn
  • Exceptions for willful misconduct
Test Your Knowledge

Under Ohio law, how does joint and several liability apply to non-economic damages?

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Test Your Knowledge

What is Ohio's statute of repose for products liability claims?

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D