Counterfeit goods tend to distort honest business and could even pose safety and health risks to persons. Authorities worldwide enforce their national regulations on this matter primarily at the borders. Goods that have been subject to counterfeit are clothing, toys, watches, consumer electronics, pharma goods etc.
Determining whether goods to be shipped are genuine or counterfeit can be difficult. It is therefore essential that forwarders know their customers and their business to prevent delay and disappointment during the shipments antennary.
Check the site of the CBP for more information about counterfeit;