{
  "docket": "sorting-semiconducting-carbon-nanotubes-electronic-devices",
  "confidence": 0.95,
  "published_at": "2026-06-04T04:29:19Z",
  "summary": {
    "name": "summary",
    "value": "Method of selective separation of semiconducting carbon nanotubes, dispersion of semiconducting carbon nanotubes, and electronic device including carbon nanotubes separated by using the method is marketed for licensing by Stanford University (OTL). It is documented in US patent US 9,502,152. The current assignee of record is Samsung Electronics Co Ltd. Google Patents reports its legal status as \u201cActive\u201d (an automated indicator, not a legal determination). Its expected expiration is 2035-09-03. Note: the patent's assignee of record is Samsung Electronics Co Ltd, not Stanford University (OTL); confirm that Stanford University (OTL) can license it before relying on this listing.",
    "citation": {
      "source": "ipnex",
      "license": "ipnex_derived",
      "method": "templated_summary_from_publishable_facts",
      "confidence": 0.6,
      "url": null
    }
  },
  "patent_number": {
    "name": "patent_number",
    "value": "US9502152",
    "citation": {
      "source": "google_patents",
      "license": "google_patents_ccby4.0",
      "method": "gp_page_documents_number",
      "confidence": 0.95,
      "url": "https://patents.google.com/patent/US9502152/en"
    }
  },
  "patent_fields": [
    {
      "name": "title",
      "value": "Method of selective separation of semiconducting carbon nanotubes, dispersion of semiconducting carbon nanotubes, and electronic device including carbon nanotubes separated by using the method",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_dc_title",
        "confidence": 0.9,
        "url": "https://patents.google.com/patent/US9502152/en"
      }
    },
    {
      "name": "current_owner",
      "value": "Samsung Electronics Co Ltd",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_assignee_current",
        "confidence": 0.8,
        "url": "https://patents.google.com/patent/US9502152/en"
      }
    },
    {
      "name": "original_assignee",
      "value": "Samsung Electronics Co Ltd",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_assignee_original",
        "confidence": 0.85,
        "url": "https://patents.google.com/patent/US9502152/en"
      }
    },
    {
      "name": "legal_status",
      "value": "Active",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_legal_status_gp_disclaims_accuracy",
        "confidence": 0.7,
        "url": "https://patents.google.com/patent/US9502152/en"
      }
    },
    {
      "name": "filing_date",
      "value": "2011-10-27",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_filing_date",
        "confidence": 0.9,
        "url": "https://patents.google.com/patent/US9502152/en"
      }
    },
    {
      "name": "priority_date",
      "value": "2010-11-01",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_priority_date",
        "confidence": 0.9,
        "url": "https://patents.google.com/patent/US9502152/en"
      }
    },
    {
      "name": "publication_date",
      "value": "2016-11-22",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_publication_date",
        "confidence": 0.9,
        "url": "https://patents.google.com/patent/US9502152/en"
      }
    },
    {
      "name": "expiration_date",
      "value": "2035-09-03",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_adjusted_expiration",
        "confidence": 0.75,
        "url": "https://patents.google.com/patent/US9502152/en"
      }
    }
  ],
  "ownership": {
    "signal": "third_party_owned",
    "flags_discrepancy": true,
    "institution": "Stanford University (OTL)",
    "current_owner": "Samsung Electronics Co Ltd",
    "original_assignee": "Samsung Electronics Co Ltd"
  },
  "link_out": {
    "institution": "Stanford University (OTL)",
    "listing_url": "https://techfinder.stanford.edu/technology/sorting-semiconducting-carbon-nanotubes-electronic-devices"
  }
}