Last Updated: August 7, 2026

Welcome to the YKP Optics LLC website. By accessing or using our website, software tools, or participating in our courses, you agree to be bound by these Terms of Use. If you do not agree with these Terms of Use, please do not use the Site or applicable services.

1. General Use

The YKP Optics LLC website and its content are intended primarily for professional and business use, particularly by individuals and organizations working in optical engineering, optical design, software development, and related technical fields.

You may access and use the Site for lawful informational and business purposes. You may not misuse the Site, interfere with its operation or security, attempt to gain unauthorized access to any part of the Site or related systems, or use the Site in violation of applicable law.

Unless expressly authorized by YKP Optics LLC, you may not reproduce, republish, distribute, modify, or commercially exploit substantial portions of the Site or its content.

2. Intellectual Property

Unless otherwise stated, the Site and its original content, including text, graphics, images, technical materials, documentation, software descriptions, demonstrations, videos, training materials, course content, and other materials created by YKP Optics LLC, are owned by or licensed to YKP Optics LLC and are protected by applicable intellectual property laws.

YKP Optics LLC's software tools, extensions, libraries, source code, object code, algorithms, technical documentation, training materials, and related intellectual property are not transferred or licensed to you merely by accessing or using this Site.

No content from the Site may be reproduced, modified, distributed, published, sold, licensed, reverse engineered, or commercially exploited without prior written authorization from YKP Optics LLC, except as permitted by applicable law or under a separate written agreement with YKP Optics LLC.

Third-party names, trademarks, software, products, and other intellectual property referenced on the Site remain the property of their respective owners. Their appearance on the Site does not imply ownership by or affiliation with YKP Optics LLC unless expressly stated.

3. Software Licensing

Software products, tools, extensions, libraries, and other software solutions provided by YKP Optics LLC are subject to separate licensing terms, license agreements, quotations, purchase terms, or other written agreements, as applicable.

Access to information, descriptions, demonstrations, documentation, or other materials relating to YKP Optics LLC software on this Site does not grant any license or other right to use, copy, modify, distribute, reproduce, reverse engineer, sublicense, or commercially exploit such software.

Any license granted by YKP Optics LLC is limited to the scope, duration, number of users or systems, permitted uses, and other conditions specified in the applicable agreement or licensing terms.

Unless expressly authorized in writing by YKP Optics LLC or permitted by applicable law, customers and users may not copy, modify, reverse engineer, decompile, disassemble, redistribute, sublicense, transfer, resell, or otherwise make YKP Optics LLC software available to unauthorized third parties.

In the event of any conflict between these Terms of Use and a separate software license agreement or other written agreement entered into with YKP Optics LLC, the terms of the separate agreement will govern with respect to the applicable software or services.

4. Course Access

Courses, training programs, instructional materials, and related educational services provided by YKP Optics LLC may be subject to separate terms, quotations, purchase conditions, or written agreements, as applicable.

Access to course or training materials is granted only to the individual or organization for whom such access has been purchased or otherwise authorized by YKP Optics LLC.

Unless expressly authorized in writing by YKP Optics LLC, course materials, recordings, presentations, exercises, technical documents, and other training content may not be copied, recorded, reproduced, distributed, published, resold, shared with unauthorized third parties, or used to provide competing training or educational services.

The duration, scope, format, availability, and conditions of access to courses or training materials will be determined by the applicable offering, quotation, purchase terms, or separate agreement.

In the event of any conflict between these Terms of Use and a separate agreement relating to a course or training service, the terms of the separate agreement will govern with respect to that course or training service.

5. Limitation of Liability

The Site and its content are provided for general informational and business purposes. While YKP Optics LLC makes reasonable efforts to provide accurate and up-to-date information, YKP Optics LLC does not warrant that the Site or its content will be complete, accurate, error-free, uninterrupted, or suitable for any particular purpose.

Technical information, examples, calculations, demonstrations, software descriptions, and other materials available on the Site should not be relied upon as a substitute for project-specific engineering analysis, validation, testing, or professional judgment.

To the maximum extent permitted by applicable law, YKP Optics LLC will not be liable for any indirect, incidental, special, consequential, or punitive damages, or for any loss of profits, revenue, business opportunities, data, or business interruption arising out of or relating to the use of, or inability to use, the Site or its content.

Nothing in these Terms of Use excludes or limits liability that cannot lawfully be excluded or limited under applicable law.

Software products, engineering services, consulting services, training services, and other products or services provided by YKP Optics LLC may be subject to separate agreements containing specific warranties, limitations of liability, and other terms. In the event of any conflict, the applicable separate agreement will govern with respect to those products or services.

6. Privacy and Data

YKP Optics LLC collects and processes information in connection with the Site in accordance with its Privacy Policy.

The Privacy Policy describes the types of information we may collect, how we use and share information, website analytics and cookies, data retention, international data transfers, privacy rights, and other matters relating to the handling of personal information.

By using the Site, you acknowledge that you have access to and may review our Privacy Policy.

7. Changes to These Terms

YKP Optics LLC may update or revise these Terms of Use from time to time to reflect changes in our Site, services, business practices, or applicable legal requirements.

Any revised Terms of Use will be posted on this page, and the “Last updated” date will be updated accordingly.

We encourage you to review these Terms of Use periodically for any changes.

8. Governing Law

These Terms of Use and any dispute arising out of or relating to the use of the Site will be governed by and construed in accordance with the laws of the State of Delaware, United States, without regard to its conflict of laws principles.

To the extent permitted by applicable law, any legal action or proceeding arising out of or relating to these Terms of Use or the use of the Site shall be brought in the state or federal courts having jurisdiction in the State of Delaware, and you consent to the jurisdiction of such courts.

Nothing in this section affects any rights or remedies that cannot be waived or limited under applicable law.

If you have any questions about these terms, please contact us at info [at] ykp-optics [dot] com.