How to check a product for design patents before you sell it
Where to search in the US, China and the EU, how to compare the closest designs the way an ordinary observer would, and which designs no search can find yet.
What to do when Amazon removes a listing for a design patent complaint
Why APEX does not apply to design patents, the ways a listing comes back, and the 21-day answer deadline in a Schedule A lawsuit.
How to design around a design patent
Which changes make a product look different to an ordinary observer, which common changes do not help, and how to protect the new design.
Design patent drawing requirements in the US, China and the EU
Views, lines, shading, broken lines, file formats, fees and terms for USPTO, CNIPA and EUIPO applications, side by side.
中文指南
The same four guides in Chinese.
Changelog
What changed in the DesignAround app, the service and these pages.
These guides are general information, not legal advice. For a decision about a specific product, ask a registered patent attorney or agent. Corrections are welcome at support@elidot.com.