# US 11,175,405 (USPTO)

Spinning lidar unit with micro-optics aligned behind stationary window. Ouster's foundational digital-lidar patent: a spinning lidar unit in which the micro-optic array (lens elements aligned with individual APD/SPAD detectors) sits behind a stationary protective window. Co-assigned to Ouster Inc and Sense Photonics Inc (acquired by Ouster 2021). Inventors: Angus Pacala, Mark Frichtl, Marvin Shu. Granted November 2021; active (expires January 2040). One of five patents asserted by Ouster in ITC 337-TA-1363 against Hesai Group.

## Key facts

- Jurisdiction: uspto
- Status: granted
- Number: US 11,175,405
- Filing date: 2018-05-14
- Priority date: 2018-05-14
- Grant date: 2021-11-16
- Verification posture: verified

## Parties (1)

- **assignee**: [Ouster](/companies/ouster.md) (verified)

## Patent litigations (1)

- [337-TA-1363](/patent-litigations/ouster-v-hesai-itc-337-ta-1363.md) (itc / decided / no infringement)

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