Terms of Service & Disclaimer

Last Updated: May 20, 2026

1. Nature of Service

This service (hereinafter "the Service") provides AI-powered image analysis results as "reference information" only and does not guarantee the final determination of authenticity.

Using Re:Judge results as authentication certificates, proof of authenticity, or the primary basis for any commercial transaction is strictly prohibited. The Operator assumes no liability for damages arising from such use, except in cases of willful misconduct or gross negligence by the Operator. Final judgment is the sole responsibility of the user.

The Operator shall not be liable for damages arising from the purchase, sale, or other transactions of products based on the results, except in cases of willful misconduct or gross negligence by the Operator.

2. License to Use the Service

Subject to the user's compliance with these terms, the Operator grants the user a non-exclusive, non-transferable, non-sublicensable, revocable license to use the Service.

The user shall not reverse-engineer, decompile, disassemble, or use the Service for the purpose of building a competing service.

The Service may include open-source software (OSS) provided by third parties. Such third-party software is subject to its own license terms, which shall prevail over the provisions of these terms to the extent of any conflict.

3. Disclaimer

The Service makes no warranties regarding the accuracy, completeness, usefulness, or fitness for a particular purpose of results.

The Service operator (hereinafter "the Operator") shall not be liable for damages arising from transactions, purchases, or other actions based on results (including losses from purchasing counterfeit items, transaction cancellations, or other issues), except in cases of willful misconduct or gross negligence by the Operator.

Users shall use the Service at their own risk and responsibility for all consequences.

4. Limitation of Liability

In the event that the Operator is liable for damages related to the use of the Service, the amount of compensation shall be limited to the usage fee paid by the user to the Service in the month in which the damage occurred (or JPY 1,000 for users on the Free plan).

The Operator shall not be liable for indirect damages, special damages, lost profits, data loss, or damages based on claims from third parties.

However, the foregoing limitations shall not apply in cases of willful misconduct or gross negligence by the Operator. To the extent that the foregoing limitations are invalidated by the Consumer Contract Act or other mandatory laws of Japan, the Operator shall be liable to the extent permitted by such mandatory laws.

5. Data Protection and Security Responsibility

The Operator protects users' personal information and image data through reasonable technical and organizational safeguards, including SSL/TLS encrypted communication, access controls, authentication mechanisms, and regular security audits, in accordance with the Privacy Policy.

Users are responsible for the appropriate management of their account credentials (passwords, Google OAuth and other federated authentication information). The Operator shall not be liable for unauthorized use by third parties, except where such unauthorized use results from the Operator's willful misconduct or gross negligence.

In the event of a significant data breach, the Operator will promptly notify affected users and report the incident to the Personal Information Protection Commission of Japan in accordance with the Act on the Protection of Personal Information.

Due to the technical limitations of internet transmission, the Operator cannot guarantee 100% security.

6. Service Level (SLA)

For individual plans (Free, Spot, Standard), the Operator will use commercially reasonable efforts to provide stable service but does not guarantee any specific uptime. These plans are provided on an "as-is" basis.

Service levels for Enterprise plan customers (uptime guarantees, support response times, data backup, priority support, etc.) shall be defined in a separate individual agreement or Service Level Agreement.

For planned maintenance, the Operator will, as a general rule, provide notice at least 48 hours in advance via in-service announcements or email. For urgent security responses or other unavoidable circumstances, maintenance may be performed without prior notice.

Liability for damages arising from service interruptions or suspensions is governed by Section 4 (Limitation of Liability) of these terms.

7. Service Interruption and Termination

The Operator may interrupt all or part of the Service without prior notice in the following cases: when performing system maintenance or inspection, when a natural disaster, power outage, communication failure, cyberattack, or other force majeure occurs, or when the Operator deems it unavoidable.

Liability for damages from service interruptions is governed by Section 4 (Limitation of Liability) of these terms.

If the Service is terminated for users on paid plans, notification will be sent by email at least 30 days prior to termination. The handling of user data upon service termination (such as the provision of export options) will be communicated separately in the termination notice.

8. Enterprise Plan and Custom Development

For Enterprise plan contracts and other engagements involving custom development, the service scope, fees, delivery schedule, acceptance criteria, service levels, intellectual property ownership, and other terms shall be defined in a separate individual agreement between the Operator and the customer. In the event of any conflict between these terms and such individual agreement, the individual agreement shall prevail.

If the customer requests additions or changes to the specifications after the agreement is executed, the Operator will propose additional fees and schedule extensions corresponding to the changes, and the changes will be implemented upon written agreement (including electronic records) between the parties. The Operator is not obligated to accept change requests for which agreement cannot be reached.

Ownership of intellectual property rights in custom features developed at the customer's request, the scope of use, and the right to provide such features to third parties shall be defined in the individual agreement. Absent express provisions, intellectual property rights in such deliverables shall belong to the Operator, and the customer shall have a non-exclusive right to use them within the scope of the individual agreement.

9. Prohibited Activities

By using the Service, users are deemed to have agreed to these terms.

Users shall use the Service only for lawful purposes and the following activities are prohibited: acts that violate laws or public order, acts that interfere with Service operations, acts that infringe on rights of other users or third parties, unauthorized access, hacking, reverse engineering, spam or unauthorized data collection, placing excessive load on servers through excessive API requests, and other illegal acts.

The Operator may suspend or terminate service use without prior notice if users violate these terms.

10. Intellectual Property Rights

All intellectual property rights in the Service (text, images, logos, designs, AI models, source code, databases, etc.) belong to the Operator or rightful owners.

Users may not reproduce, republish, modify, distribute, or reverse-engineer Service content without prior written permission from the Operator.

The user grants the Operator a royalty-free, non-exclusive, sublicensable license to use uploaded images to the extent necessary to provide the Service (including storage, reproduction, display, thumbnail generation, AI analysis processing, etc.). Use as AI training data requires separate consent and is not included in this license (see Section 11).

Re:Judge AI is not affiliated with, endorsed by, or sponsored by Nintendo Co., Ltd. Nintendo, DS, Game Boy, and all related names and logos are trademarks of their respective owners. Re:Judge AI is an independent service and is not authorized or approved by Nintendo or any other trademark holder.

11. User-Uploaded Images

Images uploaded by users are stored while your account is active for viewing appraisal history. Images are completely deleted within 30 days after account deletion.

[Use as AI Training Data (Opt-in)] Only when users explicitly consent via the Settings page, uploaded images may be used for the following purposes: (a) improving AI model accuracy, (b) developing new authentication features, (c) creating anonymized internal benchmarks and quality metrics, (d) generating statistical reports.

Images used as training data undergo review by the Operator and are anonymized (user IDs, timestamps, and other personally identifiable information are removed) before use. Training data is used exclusively by the Operator and is never sold, licensed, or shared with any third party.

Providing training data is voluntary. Users who do not consent can use all basic features of the Service without restriction. Users who consent may receive benefits such as early access to upcoming new features.

Users may withdraw consent at any time via the Settings page. After withdrawal, future uploaded images will not be selected as training data candidates. However, please note that it is technically impossible to remove individual data from models that have already been anonymized and trained.

Users are responsible for ensuring they have the right to upload any images submitted to the Service.

12. Changes to Terms

The Operator may change these terms as necessary.

For significant changes that are disadvantageous to users, notice will be provided via in-service announcements and email at least 30 days before the effective date of the change.

Amended terms shall take effect when posted on the Service (or on the effective date specified in the notice).

If users do not agree to amended terms, they shall stop using the Service before the effective date. Continued use of the Service after the effective date constitutes acceptance of the amended terms.

13. Governing Law and Jurisdiction

These terms shall be governed by and construed in accordance with the laws of Japan.

In the event of any dispute arising from the Service, the Tokyo District Court shall have exclusive jurisdiction as the court of first instance.

14. Use by Minors

Minors must obtain consent from a legal guardian (parent) before using the Service.

Use of paid plans requires consent from a legal guardian. Contracts for paid plans made without such consent may be rescinded in accordance with the Civil Code of Japan.

15. Contact

For inquiries regarding these terms, please contact the Operator.

Contact: info@rejudgeai.com

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