<!-- LLM_VERSION_INFO
FORMAT: text/markdown
CONTENT_TYPE: article
ORIGINAL_URL: https://www.stel.life/notice
ALTERNATE_VERSION: notice/index.html (text/html)
EXTRACTION_DATE: 2026-04-17T01:08:54.954Z

This is the markdown version with text-only content (images converted to alt-text).
For rich formatting with images, request the HTML version at: notice/index.html
-->

# Open Source Software Attribution

## Zephyr

```
Copyright 2025 Zephyr Project

Licensed under the Apache License, Version 2.0.
```

# Patents

```
Product Name: Stel Hub
Covered by: US Patent No. 12,250,273 B2
Pending: US Patent No. US 2022/0167155 A1;
```

# Legal

[https://www.stel.life/legal](/content/legal/index.html)