How to search for invention patents:

1. Patent search website:

Using patent search websites is the most common and direct way. Different countries and regions have specialized patent search websites, such as the State Intellectual Property Office of China, the United States Patent and Trademark Office (USPTO), the European Patent Office (EPO), etc. Through these websites, you can search by keywords, inventors, patent numbers and other information.

2. Patent search database:

Patent search databases are professional online tools that provide more advanced and flexible search options. For example, Google patent search, Espacenet (European patent search), etc. are commonly used patent search databases, and users can more accurately filter and locate the required patent information.

3. Professional search software:

Some professional patent search software can provide more complex search functions and analysis tools. These software are commonly used by patent firms and professional search agencies, and may also be an option for researchers who require large amounts of patent information.

4. Patent search service organizations:

There are some professional organizations that provide patent search services, which can provide more accurate and customized patent searches according to user needs. These institutions usually have professional search personnel who can provide targeted search services based on specific research directions.

5. Patent information disclosure platform:

Some countries provide special patent information disclosure platforms, and users can query patent information for free on these platforms. These platforms usually provide basic patent information retrieval functions and are suitable for preliminary query needs.

When using these query methods, users can choose the most suitable method according to their own needs and search using keywords, classification numbers, inventors and other information to obtain the required patent information.

The above content is carefully compiled by Zhubajie.com. I hope it will be helpful to you.