I am a foreign trade company. A product to be exhibited at the Canton Fair involves patent rights. The cooperative factory already has the right to use the patent granted by the patent holder.

2.1. The Licensor hereby authorizes the Licensee, and the Licensee accepts the authorization and enjoys non-exclusive rights.

-Utilize the patent rights during the agreement period to carry out manufacturing in its production factory.

- During the agreement period, use the patent rights to sell the products produced by its production factory in the sales area licensed by this patent.

'Sell within the sales area licensed by this patent' you Where is your sales area? Does it include the venue of the Canton Fair?

If it is within your sales area, there is no problem.

This is a product for sale and the main introduction of the product does not constitute infringement

Second:

A certain amount of publicity is allowed within a reasonable range