1.** Official website of the Patent Office:

Visit the official website of the patent office in your country or region. On the website, there is usually a special search tool, in which you can enter relevant keywords, applicant information or patent number for inquiry.

2.** Patent database:

Use professional patent databases, such as Google Patent, Espacenet (European Patent Database) and USPTO (United States Patent and Trademark Office). These databases provide patent information all over the world. You can use keywords, classification number, applicants and other information to query.

3.** International Patent Organization (WIPO):

If you want to inquire about international appearance patents, you can visit WIPO official website. They provide a global design database where you can search.

4.** Professional patent search service:

If you are not familiar with patent inquiry operation, you can consider using professional patent retrieval service. Some professional companies or institutions provide professional patent search services to help you find the appearance patent information you need.

5.** Consulting professionals:

If you don't know much about patent inquiry, you can consult a professional patent lawyer or search service organization. They have professional knowledge and can help you to make an accurate inquiry about the appearance patent.

When inquiring, you can use the keywords related to design, the applicant's name, patent number and other information to narrow the scope of inquiry, so as to find the design patent you are interested in.

The above contents were carefully arranged by Zhu Bajie. Com, I hope I can help you.