Professional Liability and E&O Claims

This dataset provides detailed records of professional liability and errors & omissions claims, including allegations, defense costs, expert witness fees, regulatory involvement, and settlement outcomes. It enables comprehensive analysis of claim trends, risk factors, and financial impacts across various professions and jurisdictions.

  • last updated 2 Nov 2025
  • by GoMask
The brief that made it

Claims trend analysis and risk assessment for insurers

Sample rows

preview · 8 of 600 rows · all 20 columns
claim_idstringclaim_typestringdefense_costsfloatregulatory_actionbooleanjurisdictionstringclaimant_namestringclaimant_typestringprofessional_namestringprofessional_typestringpolicy_numberstringclaim_datedateincident_datedateexpert_witness_feesfloatregulatory_bodystringsettlement_amountfloatsettlement_datedateclaim_statusstringdefense_attorney_namestringnotesstringallegation_detailsstring
CLM00001malpractice5400.5falseCaliforniaEmily HarperclientDr. Steven K. LeedoctorMED-1054-20212022-02-172022-01-29950blankblankblankopenFletcher & AssociatesAwaiting additional medical expert review.Claimant alleges misdiagnosis resulting in unnecessary procedures and extended recovery period.
CLM00002malpractice8200falseTexasJacob ReynoldspatientDr. Hannah M. PateldoctorMED-2098-20222023-03-122023-02-281350blank425002023-07-14settledMorgan Law GroupSettlement reached after mediation with medical insurance.Patient claims post-surgical infection due to alleged negligence during procedure.
CLM00003regulatory_action1200trueBavariaRegulatory Commission of Bavariaregulatory_bodyWeiss Engineering GmbHengineerENG-7723-20232023-06-052023-04-190Bavarian Construction AuthorityblankblankpendingblankAwaiting regulatory hearing.Alleged violation of construction safety standards for public works project.
CLM00004breach_of_duty3500falseIllinoisSamantha VickersclientEsq. Jonathan M. BrookslawyerLAW-3401-20212021-11-092021-10-210blank120002022-02-17settledBrooks Legal AdvisorsSettlement reached after client appeal.Claim alleges failure to disclose material facts resulting in unfavorable contract.
CLM00005negligence2700falseNew YorkMichael Parkthird_partyEastside Accounting LLCaccountantACC-1942-20202020-04-152020-03-23450blank32002020-07-21settledRiverside Legal GroupAudit documentation submitted to support defense.Tax filing error resulted in audit and penalties for third party.
CLM00006regulatory_action850trueOntarioOntario Securities Commissionregulatory_bodyTurner Engineering Ltd.engineerENG-6710-20222022-08-252022-07-300Ontario Securities CommissionblankblankclosedblankCase closed following compliance review.Engineers alleged to have breached securities compliance in public contract.
CLM00007malpractice3600falseGeorgiaAmelia ChenclientDr. David J. KimdoctorMED-2156-20232023-01-132022-12-31400blankblankblankopenKim & AssociatesMedical records obtained, review ongoing.Alleged prescription error leading to unexpected side effects.
CLM00008malpractice5800falseFloridaLucas FosterclientEsq. Michelle T. GrantlawyerLAW-5092-20212022-03-052022-02-18700blankblankblankpendingblankAwaiting insurance response.Failure to file timely motion resulted in loss of appeal rights.

What the 600 rows show

from the 600-row sample

Regulatory_action (claim type) stands out: 102 of its 102 rows have regulatory_action = true, against 25 of 498 for the rest.

  • 21%regulatory_action = true
  • 7,170median defense_costs
  • 4professional types
  • 5claimant types
  • 5claim statuses
  • 900.0median expert_witness_fees
Regulatory action rate by claim_typeregulatory_action = true
0%50%100%0%malpra…0 of 3340%neglig…0 of 80100%regula…102 of …0%breach…0 of 59100%other25 of 25
defense_costs600 rows, in bands of 100k
02905805755942102110500k1Mdefense_costs →

Median 7,170, from 0.0 to 1,000,000.

jurisdiction600 rows · top 10 of 23 values
  1. California76
  2. Texas45
  3. New York42
  4. Victoria38
  5. England36
  6. Ontario35
  7. Florida33
  8. Illinois29
  9. Alberta28
  10. Quebec28
20 columns by typefrom the column list below
  • string 13
  • float 3
  • date 3
  • boolean 1

Columns

20 columns in four groups
blueprint · 20 columns
columntypedescriptionexample
Text 13 columns
claim_idstringUnique identifier for each professional liability or E&O claimuniqueCLM00001
claimant_namestringFull name of the individual or entity making the claimEmily Harper
claimant_typestringType of claimant (e.g., client, patient, regulatory body, third party)client · patient · regulatory_body · third_party · otherclient
professional_namestringFull name of the professional or firm against whom the claim is madeDr. Steven K. Lee
professional_typestringType of professional (e.g., doctor, lawyer, accountant, engineer)4 typesdoctor
policy_numberstringInsurance policy number covering the professionaloptionalMED-1054-2021
claim_typestringNature of the claim (e.g., malpractice, negligence, regulatory action, breach of duty)5 valuesmalpractice
allegation_detailsstringDetailed description of the allegations made in the claimClaimant alleges misdiagn…
regulatory_bodystringName of the regulatory body involved (if any)optionalFederal Trade Commission
claim_statusstringCurrent status of the claim (e.g., open, closed, settled, dismissed)open · closed · settled · dismissed · pendingopen
defense_attorney_namestringName of the primary defense attorney or law firmoptionalFletcher & Associates
notesstringAdditional notes or comments regarding the claimoptionalClient seeking damages.
jurisdictionstringLegal jurisdiction where the claim was filed (state, province, or country)California
Numbers 3 columns
defense_costsfloatTotal defense costs incurred (legal fees, etc.)0 or more · optional5400.5
expert_witness_feesfloatTotal fees paid to expert witnesses for the claim0 or more · optional950
settlement_amountfloatFinal settlement amount paid to resolve the claim0 or more · optional42500
Dates and times 3 columns
claim_datedateDate when the claim was filed2022-02-17
incident_datedateDate of the alleged incident leading to the claimoptional2022-01-29
settlement_datedateDate when the claim was settledoptional2023-07-14
True or false 1 column
regulatory_actionbooleanIndicates if a regulatory action was involved in the claimfalse

Use it for

  • regulatory act…21%127 of 600 rowsmean defense costs by…10.6kmalp…4.1knegl…835.5regu…4.1kbrea…

    An insurance dashboard

    The regulatory_action rate, defense_costs by claim_type and a breakdown of jurisdiction. Excel, Power BI or Tableau.

  • Why do 127 of 600 rows have regulatory_action = true?

    A root-cause class exercise

    Hand out the rows and one question. The answer is in the data, not in the brief.

  • A software demo

    Believable claims with claimant_name, claimant_type and professional_name to fill a screen in front of a buyer.

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blueprint · professional-liability-and-eo-claims

Behind this dataset

Same schema. As many rows as you need.

These 600 rows came out of a blueprint — 20 columns with generation rules behind each one. Open it in Data Factory to retune a column, add your own, wire in foreign keys, and run it at the size you actually need.

Rules it was built with
  • Professional category: medical, legal, accounting, tech, etc.
  • Allegations of error, omission, or negligence
  • Claims-made policy trigger date
  • Extended reporting period (tail) if applicable
  • Prior acts coverage verification
  • Standard of care analysis
  • Expert witness required for most professions
  • Defense costs typically inside policy limits
Rows
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Exports
CSV, JSON, JSONL, Parquet, SQL, Excel, TSV, XML
Licence
yours to use, including commercially
API slug
professional-liability-and-eo-claims

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