1. Use product keywords for Google patent search query;
2. Google Maps search identification;
3. Find the products you need to develop, and judge whether such products have patents from the price and quantity of suppliers. Generally, if the price is high and the order quantity is large, there is probably a patent;
4. Judging whether a product has a patent from the perspective of market capacity and customers, the fewer people pay attention to or sell it, the higher the possibility that the seller has a patent;
Second, if you want to further confirm, you can inquire through various patent websites:
Commonly used patent inquiry websites
1. American trademark inquiry network (link: Trademarks | USPTO), this tool is more commonly used.
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Hong kong:/
United States: /numberSearch%3Flocale%3Den_EP
EU Appearance Patent Inquiry:/? target=/singleLineSearch？ locale=en_EP
Patent inquiries in Germany, France, Japan and other countries: /numberSearch%3Flocale%3Den_EP
Third, in addition, how to avoid infringement?
1, to ensure the regularity of supply channels, and to prevent suppliers from possible clear spring problems when selecting products.
2. As an agent, to sell a brand of products on Amazon, you must get the official authorization from the spot. It should be noted that only the trademark holder is qualified to carefully authorize the brand.
3. When going public, use original pictures and words.
4. When setting the store name, you need to pay attention to whether there are any trademarks related to its registration in the store name.