{
  "docket": "P110093US01",
  "confidence": 0.95,
  "published_at": "2026-07-13T12:19:39Z",
  "summary": {
    "name": "summary",
    "value": "Method using block copolymers for making a master mold for nanoimprinting patterned magnetic recording disks with chevron servo patterns is marketed for licensing by Wisconsin Alumni Research Foundation. It is documented in US patent US 8,815,105. The current assignee of record is Western Digital Technologies Inc. Google Patents reports its legal status as \u201cActive\u201d (an automated indicator, not a legal determination). Its expected expiration is 2032-07-07.",
    "citation": {
      "source": "ipnex",
      "license": "ipnex_derived",
      "method": "templated_summary_from_publishable_facts",
      "confidence": 0.6,
      "url": null
    }
  },
  "patent_number": {
    "name": "patent_number",
    "value": "US8815105",
    "citation": {
      "source": "google_patents",
      "license": "google_patents_ccby4.0",
      "method": "gp_page_documents_number",
      "confidence": 0.95,
      "url": "https://patents.google.com/patent/US8815105/en"
    }
  },
  "patent_fields": [
    {
      "name": "title",
      "value": "Method using block copolymers for making a master mold for nanoimprinting patterned magnetic recording disks with chevron servo patterns",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_dc_title",
        "confidence": 0.9,
        "url": "https://patents.google.com/patent/US8815105/en"
      }
    },
    {
      "name": "current_owner",
      "value": "Western Digital Technologies Inc",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_assignee_current",
        "confidence": 0.8,
        "url": "https://patents.google.com/patent/US8815105/en"
      }
    },
    {
      "name": "original_assignee",
      "value": "HGST Netherlands BV",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_assignee_original",
        "confidence": 0.85,
        "url": "https://patents.google.com/patent/US8815105/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/US8815105/en"
      }
    },
    {
      "name": "filing_date",
      "value": "2011-02-28",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_filing_date",
        "confidence": 0.9,
        "url": "https://patents.google.com/patent/US8815105/en"
      }
    },
    {
      "name": "priority_date",
      "value": "2011-02-28",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_priority_date",
        "confidence": 0.9,
        "url": "https://patents.google.com/patent/US8815105/en"
      }
    },
    {
      "name": "publication_date",
      "value": "2014-08-26",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_publication_date",
        "confidence": 0.9,
        "url": "https://patents.google.com/patent/US8815105/en"
      }
    },
    {
      "name": "expiration_date",
      "value": "2032-07-07",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_adjusted_expiration",
        "confidence": 0.75,
        "url": "https://patents.google.com/patent/US8815105/en"
      }
    }
  ],
  "ownership": {
    "signal": "third_party_owned",
    "flags_discrepancy": true,
    "institution": "Wisconsin Alumni Research Foundation",
    "current_owner": "Western Digital Technologies Inc",
    "original_assignee": "HGST Netherlands BV"
  },
  "status": {
    "legal_status": "Active",
    "category": "active",
    "detail": "in_force",
    "in_force": true,
    "public_domain": false,
    "interpretation": null
  },
  "expiry": {
    "expiration_date": "2032-07-07",
    "basis": "adjusted",
    "as_of": "2026-07-19",
    "years_remaining": 6.0,
    "term": "active_term",
    "interpretation": null
  },
  "licensability": {
    "value": 9,
    "band": "weak",
    "complete": true,
    "summary": "9/100 -- weak licensability.",
    "components": [
      {
        "name": "Ownership",
        "state": "blocked",
        "detail": "The patent is now owned by a third party (Western Digital Technologies Inc), not the marketing institution, so it may not be theirs to license."
      },
      {
        "name": "Legal status",
        "state": "ok",
        "detail": "In force (Active); an exclusive patent right exists."
      },
      {
        "name": "Remaining term",
        "state": "caution",
        "detail": "About 6 years of exclusive term remain (to 2032-07-07)."
      }
    ]
  },
  "link_out": {
    "institution": "Wisconsin Alumni Research Foundation",
    "listing_url": "https://www.warf.org/technologies/summary/P110093US01/"
  }
}