{
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  "published_at": "2026-06-04T04:29:19Z",
  "summary": {
    "name": "summary",
    "value": "Density multiplication and improved lithography by directed block copolymer assembly is marketed for licensing by Wisconsin Alumni Research Foundation. It is documented in US patent US 9,183,870. 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 2031-03-21. Note: the patent's assignee of record is Western Digital Technologies Inc, not Wisconsin Alumni Research Foundation; confirm that Wisconsin Alumni Research Foundation can license it before relying on this listing.",
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    "listing_url": "https://www.warf.org/technologies/summary/P09061US/"
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