Intellectual property notice

Zhanming reserves all rights in its original works on this site. Those works are protected from the moment they are created under applicable copyright law, including the Copyright Law of the People’s Republic of China, and in other countries under the Berne Convention.

This page states those rights so visitors know the original design and content may not be copied without permission. It does not claim ownership of ideas, exam formats, or general teaching methods.

The following original elements of this site and product are protected:

• Original interface design, layout, color system, and brand presentation
• Original explanations, animated lesson steps, and teaching scripts written by Zhanming
• The software, page structure, and interactive product design
• The Zhanming name and logo as used on this site

Without prior written permission, you may not:

• Copy, imitate, or publicly display this site’s original interface or page design
• Mirror the site, or scrape it to build a competing product
• Republish or adapt our original explanations and animations
• Remove or cover copyright notices

Viewing and using the site in a browser for your own study does not require a separate license. Commercial use, republication, or copying the design does. Send requests to the contact below and describe what you want to use and why.

SAT®, AP®, College Board®, and official test items, figures, and related trademarks belong to College Board. Zhanming does not claim ownership of official question stems, figures, or those trademarks. Official exam information should be checked on the College Board website.

Copyright protects a specific expression. It does not protect an abstract idea, a study method, a question type, or a functional layout that is common in this kind of product. An independently designed interface is not an infringement merely because it is also a practice product. Copying or closely imitating this site’s original expression is different, and is not allowed.

For permission, takedown, or an infringement notice, email renjianfj@163.com. Please include the material you mean and how you propose to use it.