# DBbun DARPA Lift Challenge R&D License v1.0

Copyright (c) 2025 DBbun LLC.

**All rights reserved.**

This license governs the use of the included synthetic datasets, time-series records, design metadata, documentation, and generative simulation code (“Licensed Materials”).

The Licensed Materials are made available exclusively for **internal research and development related to participation in the DARPA Lift Challenge**.

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## Licensed Use

The Licensee is permitted to:

- Use, modify, and run the Licensed Materials **only** for:
  - Mission design and modeling
  - Evaluation and internal R&D
  - Training and optimization for autonomous systems
  - Participation in submissions to the DARPA Lift Challenge

- Maintain derivative materials privately for internal competition use

Hosting the Licensed Materials on Hugging Face or GitHub repositories controlled by DBbun LLC **does not constitute redistribution** for purposes of this license.

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## Prohibited Actions

Without express written permission from DBbun LLC, the Licensee may **not**:

- Redistribute, publish, disclose, or upload the Licensed Materials outside the organization
- Use the Licensed Materials in any commercial product or service
- Sell, sublicense, lease, or transfer the Licensed Materials or derivative works
- Use the Licensed Materials after the conclusion of the DARPA Lift Challenge

This license is non-transferable. Rights granted under this license may not be assigned, shared, or transferred to any third party.

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## Academic Research Exception

Universities and accredited academic institutions may use the Licensed Materials for non-commercial research and education purposes, including master’s theses
and doctoral dissertations, provided that:

1. DBbun LLC is cited in all resulting works, and
2. The Licensed Materials are not redistributed or made publicly downloadable.
3. All commercial rights remain exclusively owned by DBbun LLC.

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## Intellectual Property

All rights, title, and interest in the Licensed Materials are and remain **exclusively owned by DBbun LLC**.  

No patent, trademark, copyright, trade secret, or other IP rights are transferred by this license.

The generative simulation design and methodology are proprietary innovations of DBbun LLC.

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## Government Rights

Use by the U.S. Government is limited to **evaluation and administration of the DARPA Lift Challenge**.

Any broader Government purpose—including commercialization, procurement, or operational deployment—requires a separate written agreement with DBbun LLC.

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## Warranty Disclaimer

THE LICENSED MATERIALS ARE PROVIDED “AS IS,” WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED.  
DBBUN LLC SHALL NOT BE LIABLE FOR ANY LOSSES, DAMAGES, OR CLAIMS ARISING FROM THE USE OF THE LICENSED MATERIALS.

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## Termination

This license **automatically terminates** if:

1. The DARPA Lift Challenge has concluded, **or**
2. The Licensee violates any condition of this license

Upon termination, the Licensee must **irreversibly delete** all Licensed Materials and derivative works.

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## Contact and License Owner

DBbun LLC  
Email: contact@dbbun.com  
Website: https://dbbun.com/  
CAGE Code: **16VU3**  
UEI: **QY39Y38E6WG8**  
SAM.gov SBA Profile: https://search.certifications.sba.gov/profile/QY39Y38E6WG8/16VU3

For inquiries regarding broader licensing or commercial applications, please contact DBbun LLC.

This license shall be governed by the laws of the Commonwealth of Massachusetts, without regard to conflict of law principles.

This simulator is an independent research project and is not affiliated with, endorsed by, or sponsored by DARPA.