{
  "company": {
    "name": "Leyden Labs",
    "website": "https://leydenlabs.com/",
    "record": "https://startuphistory.org/c/leydenlabs.com"
  },
  "status": null,
  "history_since": "2021-03-26T12:06:41.000Z",
  "baseline": {
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    "headline": "Protecting now from what comes next",
    "description": null,
    "evidence": "https://web.archive.org/web/20210326120641/http://www.leydenlabs.com/",
    "evidence_kind": "internet_archive",
    "facts": {
      "version": 1,
      "pages": [
        {
          "page": "home",
          "customers": [],
          "investors": [
            "F-Prime",
            "Casdin",
            "Values1",
            "Values2",
            "Values3",
            "Values4",
            "Values5",
            "Values6",
            "Values7"
          ],
          "prices": [],
          "compliance": [],
          "funding": []
        }
      ]
    },
    "basis": "first_observation",
    "is_change": false
  },
  "live_captures": 1,
  "last_checked": "2026-11-06T17:33:39.425Z",
  "live_status": null,
  "messaging": [
    {
      "quote_observed_at": "2023-02-06T00:02:45.000Z",
      "variants": [
        {
          "headline": "Protecting now from what comes next",
          "subhead": null,
          "observed_at": "2021-03-26T12:06:41.000Z",
          "evidence": "https://web.archive.org/web/20210326120641/http://www.leydenlabs.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Protecting now from what comes next",
          "subhead": "Leyden Labs helps people live freely by developing products that protect from known and new respiratory viruses.",
          "observed_at": "2022-01-08T09:40:50.000Z",
          "evidence": "https://web.archive.org/web/20220108094050/https://www.leydenlabs.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Protecting now from what comes next",
          "subhead": "Leyden Labs helps people live freely by developing products that protect from known and new respiratory viruses.",
          "observed_at": "2022-07-05T15:46:47.000Z",
          "evidence": "https://web.archive.org/web/20220705154647/https://www.leydenlabs.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Protecting now from what comes next",
          "subhead": "Leyden Labs helps people live freely by developing products that protect from known and new respiratory viruses.",
          "observed_at": "2023-02-06T00:02:45.000Z",
          "evidence": "https://web.archive.org/web/20230206000245/https://leydenlabs.com/",
          "evidence_kind": "internet_archive"
        }
      ],
      "headline": "Protecting now from what comes next",
      "subhead": "Leyden Labs helps people live freely by developing products that protect from known and new respiratory viruses.",
      "from": "2021-03-26T12:06:41.000Z",
      "to": "2023-02-06T00:02:45.000Z",
      "captures": 4,
      "evidence": "https://web.archive.org/web/20230206000245/https://leydenlabs.com/",
      "evidence_kind": "internet_archive",
      "seen": {
        "between": {
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          "to": "2023-02-06T00:02:45.000Z"
        }
      },
      "current": false
    },
    {
      "quote_observed_at": "2026-11-06T17:33:39.425Z",
      "variants": [
        {
          "headline": "Leyden Labs stopping the infection at the gate",
          "subhead": "Leyden Labs helps people live freely by developing products that protect from known and new respiratory viruses.",
          "observed_at": "2024-01-04T10:05:04.000Z",
          "evidence": "https://web.archive.org/web/20240104100504/https://leydenlabs.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Leyden Labs stopping the infection at the gate",
          "subhead": "Leyden Labs helps people live freely by developing products that protect from known and new respiratory viruses.",
          "observed_at": "2024-07-19T15:25:28.000Z",
          "evidence": "https://web.archive.org/web/20240719152528/https://leydenlabs.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Leyden Labs stopping the infection at the gate",
          "subhead": "Leyden Labs helps people live freely by developing products that protect from known and new respiratory viruses.",
          "observed_at": "2025-01-09T16:07:42.000Z",
          "evidence": "https://web.archive.org/web/20250109160742/https://leydenlabs.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Leyden Labs stopping the infection at the gate",
          "subhead": "Leyden Labs helps people live freely by developing products that protect from known and new respiratory viruses.",
          "observed_at": "2025-07-16T07:38:06.000Z",
          "evidence": "https://web.archive.org/web/20250716073806/https://leydenlabs.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Leyden Labs stopping the infection at the gate",
          "subhead": "Leyden Labs helps people live freely by developing products that protect from known and new respiratory viruses.",
          "observed_at": "2026-01-04T15:01:05.000Z",
          "evidence": "https://web.archive.org/web/20260104150105/https://leydenlabs.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Protection at the Gate",
          "subhead": "Leyden Labs helps people live freely by developing products that protect from known and new respiratory viruses.",
          "observed_at": "2026-11-06T17:33:39.425Z",
          "evidence": "https://leydenlabs.com/",
          "evidence_kind": "live_capture"
        }
      ],
      "headline": "Protection at the Gate",
      "subhead": "Leyden Labs helps people live freely by developing products that protect from known and new respiratory viruses.",
      "from": "2024-01-04T10:05:04.000Z",
      "to": "2026-11-06T17:33:39.425Z",
      "captures": 6,
      "evidence": "https://leydenlabs.com/",
      "evidence_kind": "live_capture",
      "seen": {
        "between": {
          "from": "2024-01-04T10:05:04.000Z",
          "to": "2026-11-06T17:33:39.425Z"
        }
      },
      "current": true
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  ],
  "changes": [
    {
      "n": 1,
      "id": "page-e1a7f8de63d43725fac8f3083b33db82a382093df5b589b491c4c42448d991b5:42f38865eb8a74e517daea6df61d23a3cc4cd96d6a52bad1843822e5d557b710:hiring:20dd4c09cc4ab0aa",
      "before_evidence": "https://web.archive.org/web/20210326120641/http://www.leydenlabs.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "hiring",
      "label": "Hiring",
      "summary": "Added a careers page.",
      "between": {
        "from": "2021-03-26T12:06:41.000Z",
        "to": "2022-01-08T09:40:50.000Z"
      },
      "evidence": "https://web.archive.org/web/20220108094050/https://www.leydenlabs.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": "https://startuphistory.org/t/added-careers-page"
    },
    {
      "n": 2,
      "id": "page-42f38865eb8a74e517daea6df61d23a3cc4cd96d6a52bad1843822e5d557b710:a47d487f853d472119be771d3612989f1fb471f277644c4c2c55308d26a58dcb:logos:46566fb44153054f",
      "before_evidence": "https://web.archive.org/web/20220108094050/https://www.leydenlabs.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "logos",
      "label": "New logos",
      "summary": "Added logos to its homepage: LL-Willemijn-Kremer, LL-Lars, LL-Allison, LL-Javante, LL-Virginia, LL-Maurice, GV_logo, F-Prime and 12 more.",
      "between": {
        "from": "2022-01-08T09:40:50.000Z",
        "to": "2022-07-05T15:46:47.000Z"
      },
      "evidence": "https://web.archive.org/web/20220705154647/https://www.leydenlabs.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 3,
      "id": "page-0f3cc93d98679a9b9fb2bc361b337e3711bb9a2987e5d5c77e862e6ae9d45885:ad5b6e178b1e22d74fa6571d22f864fad54b743cff5fa629d3d9666275595111:headline:846ef3182efe81bd",
      "before_evidence": "https://web.archive.org/web/20230206000245/https://leydenlabs.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from “Protecting now from what comes next” to “Leyden Labs stopping the infection at the gate”.",
      "between": {
        "from": "2023-02-06T00:02:45.000Z",
        "to": "2024-01-04T10:05:04.000Z"
      },
      "evidence": "https://web.archive.org/web/20240104100504/https://leydenlabs.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 4,
      "id": "page-0f3cc93d98679a9b9fb2bc361b337e3711bb9a2987e5d5c77e862e6ae9d45885:ad5b6e178b1e22d74fa6571d22f864fad54b743cff5fa629d3d9666275595111:logos:5e74eb387cdca004",
      "before_evidence": "https://web.archive.org/web/20230206000245/https://leydenlabs.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "logos",
      "label": "New logos",
      "summary": "Added logos to its homepage: LL-Sagrario, LL-Mike, LL-Kerri, LL-Robin and LL-Chris.",
      "between": {
        "from": "2023-02-06T00:02:45.000Z",
        "to": "2024-01-04T10:05:04.000Z"
      },
      "evidence": "https://web.archive.org/web/20240104100504/https://leydenlabs.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 5,
      "id": "page-ad5b6e178b1e22d74fa6571d22f864fad54b743cff5fa629d3d9666275595111:d3029712622c766f98dc060fa8cc7cf9f4637df25b36f9b4ebf6356d32852043:logos:d9b732800d9ce619",
      "before_evidence": "https://web.archive.org/web/20240104100504/https://leydenlabs.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "logos",
      "label": "New logos",
      "summary": "Added logos to its homepage: LL-Ted and LL-Thomas.",
      "between": {
        "from": "2024-01-04T10:05:04.000Z",
        "to": "2024-07-19T15:25:28.000Z"
      },
      "evidence": "https://web.archive.org/web/20240719152528/https://leydenlabs.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 6,
      "id": "page-d3029712622c766f98dc060fa8cc7cf9f4637df25b36f9b4ebf6356d32852043:8bfcb6fbc1a814ccccbf9f7577ce8f06f24735083cd7def3305c303c476f2e52:logos:9e5b5cf3f9cf8aa2",
      "before_evidence": "https://web.archive.org/web/20240719152528/https://leydenlabs.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "logos",
      "label": "New logos",
      "summary": "Added logos to its homepage: LL-Jintanat, LL-Marianne-W, LL-Asia-Rosemary, LL-Asia-David, LL-Asia-Wanni and LL-Asia-Mabel.",
      "between": {
        "from": "2024-07-19T15:25:28.000Z",
        "to": "2025-01-09T16:07:42.000Z"
      },
      "evidence": "https://web.archive.org/web/20250109160742/https://leydenlabs.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 7,
      "id": "page-8bfcb6fbc1a814ccccbf9f7577ce8f06f24735083cd7def3305c303c476f2e52:cbfa52cc7a1841ed04e47411844d57c050d80ad8546afa5a5569eb08c503f16c:logos:104aa27f4b4f1c03",
      "before_evidence": "https://web.archive.org/web/20250109160742/https://leydenlabs.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "logos",
      "label": "New logos",
      "summary": "Added logos to its homepage: LL-Mark and LL-La-Yuan.",
      "between": {
        "from": "2025-01-09T16:07:42.000Z",
        "to": "2025-07-16T07:38:06.000Z"
      },
      "evidence": "https://web.archive.org/web/20250716073806/https://leydenlabs.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 8,
      "id": "page-cbfa52cc7a1841ed04e47411844d57c050d80ad8546afa5a5569eb08c503f16c:87ed564376ad4e25540975b16f017516e619dcf93a06ed6f7b3294130dd1ba6f:logos:45886ba409ddea63",
      "before_evidence": "https://web.archive.org/web/20250716073806/https://leydenlabs.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "logos",
      "label": "New logos",
      "summary": "Added logos to its homepage: LL-Carmona, LL-Joana, LL-placeholder, GV_logo, Casdin, F-Prime, Clavystbio, polarispartners and 15 more.",
      "between": {
        "from": "2025-07-16T07:38:06.000Z",
        "to": "2026-01-04T15:01:05.000Z"
      },
      "evidence": "https://web.archive.org/web/20260104150105/https://leydenlabs.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 9,
      "id": "page-87ed564376ad4e25540975b16f017516e619dcf93a06ed6f7b3294130dd1ba6f:f18cb3fd3cbc2f4655503ce18c400668ab0d443f8a5713d853b9d1bb88192bfc:headline:84a7980b2a945473",
      "before_evidence": "https://web.archive.org/web/20260104150105/https://leydenlabs.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from “Leyden Labs stopping the infection at the gate” to “Protection at the Gate”.",
      "between": {
        "from": "2026-01-04T15:01:05.000Z",
        "to": "2026-11-06T17:33:39.425Z"
      },
      "evidence": "https://leydenlabs.com/",
      "evidence_kind": "live_capture",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 10,
      "id": "page-87ed564376ad4e25540975b16f017516e619dcf93a06ed6f7b3294130dd1ba6f:f18cb3fd3cbc2f4655503ce18c400668ab0d443f8a5713d853b9d1bb88192bfc:logos:2cf4e1738c336639",
      "before_evidence": "https://web.archive.org/web/20260104150105/https://leydenlabs.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "logos",
      "label": "New logos",
      "summary": "Added logos to its homepage: Gatesfoundation and LL-White.",
      "between": {
        "from": "2026-01-04T15:01:05.000Z",
        "to": "2026-11-06T17:33:39.425Z"
      },
      "evidence": "https://leydenlabs.com/",
      "evidence_kind": "live_capture",
      "basis": "page_facts",
      "topic": null
    }
  ],
  "update": null,
  "method": {
    "version": "messaging-v1",
    "description": "https://startuphistory.org/method"
  },
  "license": "CC-BY-4.0",
  "cite": "StartupHistory, “Leyden Labs” company record, https://startuphistory.org/c/leydenlabs.com"
}