📄 Trademark Usage Guidelines
Guidelines for using Zhiye (支叶) and Y Language trademarks
Important Distinction:
✅ Code is MIT-licensed: You may freely use, modify, and distribute the code under the terms of the MIT License.
⚠️ Trademarks are protected: The following guidelines apply only to the use of trademarks, names, and logos.
Protected Trademarks
| Mark | Owner | Status | Notes |
|---|---|---|---|
| Zhiye (支叶) | Changsha Sizhi Information Technology Co., Ltd. | Registered | Registered trademark in China |
| Y Language | Changsha Sizhi Information Technology Co., Ltd. | Common Law | Protected under common law trademark rights |
✅ Permitted Uses (No Permission Required)
You may use our trademarks to:
- Accurately describe that your project uses Y Language or is compatible with Zhiye Platform
- Refer to the Y Language interpreter in documentation, tutorials, or blog posts
- State compatibility with Zhiye Platform scripts or APIs
Required Attribution:
When using our trademarks, please include the following attribution statement:
Y Language and Zhiye are trademarks of Changsha Sizhi Information Technology Co., Ltd.
❌ Uses Requiring Written Permission
You must obtain prior written permission for:
- Using "Y Language" or "Zhiye" (or variations like "YLang", "支叶") in your project, product, or company name
- Using our logos as your project's logo or primary branding
- Creating derivative names (e.g., "Y Language Pro", "Zhiye Studio", "YLang Plus")
- Claiming official partnership, endorsement, or certification
- Registering domain names containing our trademarks (e.g., y-language.com, zhìyè.net)
- Using trademarks in a way that suggests affiliation when none exists
🌟 Community-Friendly Uses We Encourage
- Showcasing your work: Share how you're using Y Language in your project's README or documentation.
- Contributing to the ecosystem: Submit bug reports, feature requests, or pull requests on GitHub.
- Creating educational content: Write tutorials, record videos, or host workshops about Y Language.
- Building compatible tools: Develop IDE extensions, linters, or other tools that work with Y Language.
Questions & Permission Requests
For trademark-related inquiries or permission requests, please contact:
Email: trademark@y-lang.tech
For code-related questions, please refer to the MIT License or open an issue on GitHub.
Last Updated: January 28, 2026
© 2024-2026 Changsha Sizhi Information Technology Co., Ltd.
These guidelines only apply to trademark usage. Code usage is governed solely by the MIT License.