Overseas patent examination is unnecessary.

The necessity is that the product or technology faces the global market, especially the overseas market.

Because products or technologies are oriented to the global market, especially overseas markets, it is necessary to examine overseas patents to ensure that their products or technologies are protected in overseas markets, and at the same time understand the relevant laws, regulations and intellectual property rights in overseas markets, so as to better enter the local market for business activities. Therefore, overseas patent examination is very necessary for enterprises.