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Terms of service

The rules that govern your access to TENGWAR and the services provided by Fëanor's Code S.L., rights, obligations, and liability limits.

Last updated: October 2026

1. Provider Identification

  • Company name: Fëanor's Code S.L.
  • Registered address: Calle Roque Chabás 29, Bajo, Puerta 266, CP 03011, Alicante, Spain
  • Tax ID (CIF): B22811475
  • Commercial Registry: Alicante Commercial Registry, sheet 200290 (EUID ES03026.000650801)
  • Email: info@feanorscode.com

2. Purpose and Scope

These Terms of Service (hereinafter, "Terms") govern the access and use of TENGWAR, an enterprise artificial intelligence system with Retrieval-Augmented Generation (RAG) capabilities that is installed and runs at the client's premises, without sending its data to cloud AI services.

By accessing, installing, or using TENGWAR, the user agrees to be bound by these Terms. If you do not agree with any of these provisions, you must refrain from using the product.

3. Service Description

TENGWAR is software that is installed on NVIDIA DGX Spark servers at the client's premises. The hardware is supplied by the client or purchased on their behalf at cost. TENGWAR enables:

  • Processing of internal documents in 24 formats (PDF, Word, Excel, PowerPoint, images, CSV, JSON, XML, HTML, Markdown, among others)
  • Conversational queries with responses based on corporate documentation
  • Citations with references to original sources
  • Work with documents in several languages
  • Role and department-based access control
  • Access level system (Public, Private, Confidential, Secret)
  • Processing at the client's premises, without cloud AI

4. Access and Use Conditions

4.1. User Requirements

The user agrees to:

  • Use TENGWAR in accordance with applicable legislation, these Terms, and generally accepted best practices
  • Not use the system for illegal purposes or contrary to what is established in these Terms
  • Not attempt to access data or functionalities for which they do not have authorization
  • Maintain the confidentiality of their access credentials
  • Immediately notify any unauthorized use of their account

4.2. Business Use

TENGWAR is designed exclusively for business use. The client is responsible for:

  • Ensuring that all users within their organization comply with these Terms
  • Properly managing permissions and access levels
  • Ensuring that processed documents do not infringe third-party rights
  • Maintaining backups of their critical information

5. License Grant

5.1. License Concession

Fëanor's Code S.L. grants the client a limited, non-exclusive, non-transferable and perpetual license to use TENGWAR, in exchange for a one-off payment and according to the conditions agreed in the corresponding acquisition contract. The license includes the first year of maintenance (updates and remote support). From the second year, maintenance is optional and renewed annually; without it, the client keeps the right to use the last installed version. The license may only be terminated for the reasons in section 11.2.

5.2. Restrictions

The client may not:

  • Copy, modify, distribute, or create derivative works of the software
  • Reverse engineer, decompile, or disassemble the product
  • Sublicense, rent, or lend the product to third parties
  • Remove or alter intellectual property notices
  • Use the product to develop competing products

6. Intellectual and Industrial Property

6.1. Rights of Fëanor's Code S.L.

TENGWAR, including its source code, design, architecture, documentation, trademarks, logos, and any other element, is the exclusive property of Fëanor's Code S.L. or its licensors. All intellectual and industrial property rights are reserved.

6.2. Client Content

The client retains all rights to the documents and data processed through TENGWAR. Fëanor's Code S.L. does not acquire any rights to such content.

7. Data Protection

The processing of personal data is governed by our Privacy Policy, which forms an integral part of these Terms.

TENGWAR has been designed following the principles of privacy by design and by default in accordance with Regulation (EU) 2016/679 (GDPR) and Spanish Organic Law 3/2018 on Personal Data Protection and guarantee of digital rights (LOPD-GDD):

  • Documents and AI processing stay at the client's premises
  • TENGWAR only connects to the external services the client turns on, for mobile access and for software updates
  • Fëanor's Code S.L. does not access the client's servers remotely; support is provided from the technical logs the client chooses to send
  • The client maintains full control over their data

8. Warranties and Limitation of Liability

8.1. Product Warranty

Fëanor's Code S.L. warrants that TENGWAR will function substantially in accordance with its technical documentation during the warranty period specified in the acquisition contract.

8.2. Warranty Disclaimer

Except as expressly stated, TENGWAR is provided "as is". No warranty is made that:

  • The system will meet all specific client requirements
  • Operation will be uninterrupted or error-free
  • All defects will be corrected
  • Specific results will be derived from use of the system

8.3. Limitation of Liability

To the maximum extent permitted by law:

  • The total liability of Fëanor's Code S.L. shall not exceed the amount paid by the client in the 12 months prior to the event giving rise to liability
  • Fëanor's Code S.L. shall not be liable for indirect, incidental, special, consequential, or punitive damages
  • Fëanor's Code S.L. shall not be liable for losses arising from business decisions based on system responses

8.4. Exclusions

The above limitations shall not apply in case of willful misconduct, gross negligence, or liabilities that cannot be legally limited.

9. Support and Maintenance

Support is provided remotely and without access to the client's servers: the client sends us the system's technical logs, we diagnose the problem and publish the fix as a software update, which the client installs from TENGWAR itself. The specific support and maintenance conditions are established in the corresponding acquisition contract.

10. Confidentiality

Both parties agree to maintain the confidentiality of technical, commercial, or any other information received from the other party in the context of the contractual relationship.

11. Term and Termination

11.1. Term

These Terms become effective on the date of acquisition or installation of TENGWAR and shall remain in effect as long as the client uses the product.

11.2. Grounds for Termination

Fëanor's Code S.L. may terminate the contract in case of:

  • Material breach of these Terms by the client
  • Use of the product for illegal purposes
  • Non-payment of amounts due
  • Cessation of client's business activity

11.3. Effects of Termination

Upon termination:

  • All granted usage rights shall cease
  • The client must return or destroy all provided materials
  • Confidentiality obligations shall remain in effect

12. Modifications

Fëanor's Code S.L. reserves the right to modify these Terms. Substantial modifications will be notified with a minimum of 30 days' notice. Continued use of the product after the modifications take effect shall imply acceptance thereof.

13. Assignment

The client may not assign their rights or obligations under these Terms without the prior written consent of Fëanor's Code S.L.

14. Governing Law and Jurisdiction

These Terms are governed by Spanish law. For any dispute arising from the interpretation or execution of these Terms, the parties submit to the Courts and Tribunals of Alicante, Spain, expressly waiving any other jurisdiction that may correspond to them.

15. General Provisions

15.1. Entire Agreement

These Terms, together with the acquisition contract, the Privacy Policy, and any applicable annexes, constitute the complete agreement between the parties.

15.2. Severability

If any provision of these Terms is declared null or unenforceable, the remaining provisions shall maintain their full validity.

15.3. No Waiver

The fact that Fëanor's Code S.L. does not exercise any right established in these Terms shall not constitute a waiver thereof.

16. Contact

For any inquiries related to these Terms, you may contact us at:

  • Email: info@feanorscode.com
  • Postal address: Calle Roque Chabás 29, Bajo, Puerta 266, CP 03011, Alicante, Spain

Write to us

Controller: Fëanor's Code S.L. Purpose: answering your request. Legal basis: your own request. Recipients: our email delivery provider. You can exercise your rights of access, rectification, erasure and others at info@feanorscode.com. More information in the Privacy policy.