{
 "licence": "CC BY 4.0",
 "licence_url": "https://creativecommons.org/licenses/by/4.0/",
 "cite_as": "Nozzle4, https://nozzle4.com/data/",
 "note": "Compiled by Nozzle4 from the sources linked on each row. The facts belong to their sources; the compilation is licensed CC BY 4.0, so use it with a credit and a link.",
 "slug": "carbon",
 "name": "Carbon",
 "status": "private",
 "status_label": "Private",
 "segment": "Resin, large-format and sand printers",
 "page": "https://nozzle4.com/companies/carbon/",
 "listing": null,
 "headquarters": "Redwood City, California",
 "founded": 2013,
 "ownership": "Privately held, venture-backed",
 "technologies": [
  "Resin printing (Digital Light Synthesis)"
 ],
 "description": "Silicon Valley resin printing company built on CLIP, a continuous light-and-oxygen process, with production programmes for customers such as Adidas and Riddell. Private; valued at about 2.4 billion dollars in 2019.",
 "last_checked": "2026-10-04",
 "timeline": [
  {
   "date": "Mar 2015",
   "title": "Unveils CLIP at TED",
   "detail": "Came out of stealth on 16 March 2015 with Continuous Liquid Interface Production, published the same week on the cover of Science.",
   "source": "https://www.carbon3d.com/news/press-releases/carbon3d-introduces-clip-breakthrough-technology-for-layerless-3d-printing"
  },
  {
   "date": "Jun 2019",
   "title": "Raises 260 million dollars at a 2.4 billion valuation",
   "detail": "Took total funding past 680 million dollars.",
   "source": "https://techcrunch.com/2019/06/26/why-carbon-just-raised-another-260-million/"
  },
  {
   "date": "Nov 2019",
   "title": "Ellen Kullman becomes CEO",
   "detail": "The former DuPont chief executive replaced co-founder Joseph DeSimone, who became executive chairman.",
   "source": "https://www.carbon3d.com/news/press-releases/carbon-appoints-ellen-kullman-president-and-ceo-joseph-desimone-named-executive-chairman"
  },
  {
   "date": "May 2022",
   "title": "Phil DeSimone and Craig Carlson take over in an office of the CEO",
   "detail": null,
   "source": "https://www.tctmagazine.com/additive-manufacturing-3d-printing-news/latest-additive-manufacturing-3d-printing-news/carbon-phil-desimone-craig-carlson-office-ceo/"
  },
  {
   "date": "Nov 2022",
   "title": "Cuts jobs worldwide",
   "detail": null,
   "source": "https://3dprint.com/295233/layoffs-continue-with-3d-printing-double-unicorn-carbon/"
  },
  {
   "date": "Nov 2025",
   "title": "Raises 60 million dollars",
   "detail": "Existing investors including Sequoia Capital, Silver Lake and Adidas put in the money, and the company said it was close to cash-flow positive operations.",
   "source": "https://www.carbon3d.com/news/press-releases/60m-raise-accelerates-carbon-in-the-advanced-manufacturing-race"
  },
  {
   "date": "Sep 2026",
   "title": "Dual-cure patent EP 3158400 upheld on appeal",
   "detail": "An EPO Board of Appeal heard the case on 24 September 2026 and rejected a competitor's challenge, keeping claim 1 and restoring dependent claims struck out in the original opposition. Dual cure is the chemistry behind Digital Light Synthesis; the application claims priority to 2014 and the patent was granted in 2022.",
   "source": "https://www.voxelmatters.com/carbons-dual-cure-3d-printing-patent-upheld-on-appeal/"
  }
 ]
}