{
  "docket": "improved-variants-tev-protease-biotechnological-applications",
  "confidence": 0.95,
  "published_at": "2026-06-04T04:29:19Z",
  "summary": {
    "name": "summary",
    "value": "Directed evolution for obtaining improved variants of TEV protease for biotechnological applications is marketed for licensing by Stanford University (OTL). It is documented in US patent US 12,590,325. The current assignee of record is Leland Stanford Junior University. Google Patents reports its legal status as \u201cActive\u201d (an automated indicator, not a legal determination). Its expected expiration is 2042-10-15.",
    "citation": {
      "source": "ipnex",
      "license": "ipnex_derived",
      "method": "templated_summary_from_publishable_facts",
      "confidence": 0.6,
      "url": null
    }
  },
  "patent_number": {
    "name": "patent_number",
    "value": "US12590325",
    "citation": {
      "source": "google_patents",
      "license": "google_patents_ccby4.0",
      "method": "gp_page_documents_number",
      "confidence": 0.95,
      "url": "https://patents.google.com/patent/US12590325/en"
    }
  },
  "patent_fields": [
    {
      "name": "title",
      "value": "Directed evolution for obtaining improved variants of TEV protease for biotechnological applications",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_dc_title",
        "confidence": 0.9,
        "url": "https://patents.google.com/patent/US12590325/en"
      }
    },
    {
      "name": "current_owner",
      "value": "Leland Stanford Junior University",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_assignee_current",
        "confidence": 0.8,
        "url": "https://patents.google.com/patent/US12590325/en"
      }
    },
    {
      "name": "original_assignee",
      "value": "Leland Stanford Junior University",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_assignee_original",
        "confidence": 0.85,
        "url": "https://patents.google.com/patent/US12590325/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/US12590325/en"
      }
    },
    {
      "name": "filing_date",
      "value": "2020-09-24",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_filing_date",
        "confidence": 0.9,
        "url": "https://patents.google.com/patent/US12590325/en"
      }
    },
    {
      "name": "priority_date",
      "value": "2019-09-26",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_priority_date",
        "confidence": 0.9,
        "url": "https://patents.google.com/patent/US12590325/en"
      }
    },
    {
      "name": "publication_date",
      "value": "2026-03-31",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_publication_date",
        "confidence": 0.9,
        "url": "https://patents.google.com/patent/US12590325/en"
      }
    },
    {
      "name": "expiration_date",
      "value": "2042-10-15",
      "citation": {
        "source": "google_patents",
        "license": "google_patents_ccby4.0",
        "method": "microdata_adjusted_expiration",
        "confidence": 0.75,
        "url": "https://patents.google.com/patent/US12590325/en"
      }
    }
  ],
  "ownership": {
    "signal": "institution_owned",
    "flags_discrepancy": false,
    "institution": "Stanford University (OTL)",
    "current_owner": "Leland Stanford Junior University",
    "original_assignee": "Leland Stanford Junior University"
  },
  "link_out": {
    "institution": "Stanford University (OTL)",
    "listing_url": "https://techfinder.stanford.edu/technology/improved-variants-tev-protease-biotechnological-applications"
  }
}