# ChipFoundry acquires Efabless intellectual property and patent portfolio

Umbralogic Technologies LLC, operating as ChipFoundry, acquired Efabless' intellectual property and technology assets, including a portfolio of 15 issued patents and 3 pending applications.

- Type: Acquisition
- Announced: 2025-09-03
- Where: San Carlos, California, United States
- Status: completed
- Products: custom silicon chip design platform
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Companies

- [ChipFoundry](https://endata.com/companies/87066.md) (acquirer)
- [Efabless](https://endata.com/companies/87067.md) (target)

## Sources

- [markets.financialcontent.com](https://markets.financialcontent.com/stocks/article/gnwcq-2025-9-3-chipfoundry-acquires-efabless-assets-to-propel-custom-silicon-innovation), 2025-09-03: "This acquisition is a key step in our strategy to build the most comprehensive platform for chip design."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.