{
  "id": "case_nyc_katz_v_city_of_new_york",
  "version": 3,
  "jurisdiction": "us-ny-nyc",
  "domain": "torts.sidewalk",
  "title": "Katz v City of New York, 87 NY2d 241 (1995)",
  "valid_from": null,
  "valid_to": null,
  "temporal_notes": [],
  "topics": [
    "prior_written_notice",
    "city_liability",
    "sidewalk_defect"
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  "status": "VERIFIED",
  "verification": {
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    "methods": [
      "Quoted passages compared word for word with the Court of Appeals slip opinion in Cornell LII's New York Court of Appeals archive, fetched directly on 2026-09-29.",
      "Reporter citations and decision date (December 28, 1995) read from the same page; page pins compared with later quotations in Nieves v City of New York (2d Dept 2023) and Adamson (2011 NY Slip Op 06812).",
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    "human_review_status": "reviewed",
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    {
      "version": 2,
      "date": "2026-09-29",
      "summary": "Recorded the CourtListener opinion cluster; its case name and decision date match this record"
    },
    {
      "version": 3,
      "date": "2026-10-25",
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  ],
  "name": "Katz v City of New York",
  "citation": "87 NY2d 241",
  "parallel_citations": [
    "661 NE2d 1374",
    "638 NYS2d 593"
  ],
  "court": "New York Court of Appeals",
  "court_level": "court_of_last_resort",
  "decided": "1995-12-28",
  "official_url": "https://www.law.cornell.edu/nyctap/I95_0306.htm",
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    "cluster_id": 2093225,
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  "editor_summary": "Held that Big Apple Pothole and Sidewalk Protection Committee maps filed with the Department of Transportation can serve as prior written notice, and that notice is traced to the most recent map filed before the accident.",
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      "locator": "87 NY2d at 243",
      "text": "prior written notice of a defect is a condition precedent which plaintiff is required to plead and prove to maintain an action against the City"
    },
    {
      "source": "src_cornell_katz_v_city_of_new_york",
      "locator": "87 NY2d at 243",
      "text": "Maps prepared by Big Apple Pothole and Sidewalk Protection Committee, Inc. and filed with the Department of Transportation serve as prior written notice of defective conditions depicted thereon"
    },
    {
      "source": "src_cornell_katz_v_city_of_new_york",
      "locator": "87 NY2d at 244",
      "text": "the City properly requires that prior notice be traced to the most current Big Apple map on file ... the map that is closest in time to the date a defect is alleged to have caused an accident"
    }
  ],
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  "trust": {
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    "source_freshness": "2026-09-29",
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    "conflict_status": "none_known",
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  "applicability": {
    "as_of": "2026-11-04",
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    "reason": "Decided 1995-12-28.",
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