The profitability of each and every business in a supply chain dealing in windfall profit goods relates closely consumer demand,and the service for goods rejection thus becomes one of the main competitive strategies of a business.

The user of patented product can use and repair it with the patent exhaustion doctrine,but can not reconstruct it.

It is essential to determine the legal protection range of the patented product and the similarity of industrial design in a patent infringement case, and the industrial design list and factors of product should be considered then.

Parallel import of patented products, which occurs a lot in international trade, refers to an importer without authorization imports the patented products produced and sold by patentee or licensee abroad and sale in the country where the patent is still under protect.

Study on the “parallel import” of patented products;

No explicit provisions have been made for the "parallel import" of patented products in international conventions,treaties or China s patent laws.