How to collect evidence of patent infringement when a patent is infringed in China？

After finding that their patents have been infringed in China, if they want to safeguard their rights through legal means, the judicial authorities need evidence to support their determination of any facts. Therefore, as the patentee, the most critical step in the action of safeguarding rights is to collect evidence of infringement.

To help you initiate intellectual property litigation, Xu Baotong's lawyer team【website：www.elaw24.com】, based on more than ten years of experience in handling patent litigation in China, gives you the following suggestions.

一、What evidence to collect

1. Evidence about infringer

The name, address, etc. of the infringer. It is important for the patentee to know what strategies he should adopt to deal with patent infringement.

2、Evidence of infringement facts

Evidence that the infringer has infringed the patent right. The evidences in these aspects include physical objects, photos, product catalogs, sales invoices, purchase and sales contracts, etc.

3、Evidence of damages

The amount of damages claimed may be the loss suffered by the patentee. The sales volume of their patented products is reduced, or the sales price is reduced, as well as other costs paid more or less income.