How to effectively search for foreign patents and how to search for U.S. patents

The effective way is to go to the foreign intellectual property office or the official ** of the organization to search for the patent application and grant, and at the same time to retrieve the full text of the application documents.

Provide you with several search portals:

United States: Japan:

U.S. patents can be searched by logging in the following **.

1. United States Patent and Trademark Office**.

United States Patent and Trademark Office.

2. European Patent Office.

European Patent Office.

4. State Intellectual Property Office.

State Intellectual Property Office.

3. Patent information service platform for Chinese enterprises.

China Patent Information Network.

The patent of the invention only means that the patent has passed the examination of the relevant state departments after it has been formally authorized, and in some projects that specifically invest in the so-called patent, the relevant person may not confirm whether the current patent is really unauthorized, so the more concerned is how to check whether the patent is authorizedHere I can tell you that to inquire about the authorization of patents, you need to log in to the official ** of the national intellectual property rights, and you can directly inquire according to the process prompted above by the official**. 1. How to check whether a patent is authorized in China?

1. First enter the official website of the State Intellectual Property Office, click on "Patent Search and Query" in the upper menu bar, and click "China Patent Inquiry System" again after entering. 2. After entering the "China Patent Inquiry System", click "Click to Enter" under the Public Query, and then select "Agree to the above statement" to continue. 3. Enter the name of the patent, query, and then click on the "basic information" of the patent, and check the basic information to see that the patent was authorized at the time, or was withdrawn, or the patent has expired.

If there are two announcement numbers under the "Invention Publication and Authorization Announcement", the general patent is authorized. There are details of the patent under "Transaction Announcement". II. Detailed steps for patent application (1) Prepare the application documents, including the request, description, claims, drawings and description of the description.

For design patents, there must be a written request, ** or **, and a brief description. He can go to the service point of the National Patent Office to obtain the corresponding **. The following items should be noted in the format of the application documents:

1. Fill in with black handwriting, and the handwriting is required to be clear and not altered. 2. Use simplified Chinese. 3. **The form is used and cannot be written in columns.

4. Practical standard**, A4 paper, in duplicate. 5. The drawings should be made with a black ink cartridge drawing tool. 6. Write page numbers in order.

2. Submit by mail, but you can only use EMS, express delivery, ordinary mail do not use. (3) Accept the notice of acceptance issued by the State Patent Office, which means that the application for the patent has officially entered the examination and approval process. (4) To pay the application fee, in addition to paying the application fee directly to the Patent Office and the Patent Office Agency, you can also pay the application fee by remittance through the bank or post office, and when paying the fee, you should pay attention to writing the application number, and ask the staff of the bank or post office to enter the patent application number, name, address, zip code, etc.

However, cash should not be mailed directly to the patent office, no one will accept it. Please note that the payment must be made within 15 working days from the date of receipt of the acceptance notice. (5) The Patent Office shall first examine the application, and for patent applications other than inventions, as long as the preliminary examination is qualified, the patent may be granted, and the unqualified amendments shall be resubmitted.

For invention patents, it is necessary to conduct a preliminary examination first, and after passing the qualifications, it is necessary to conduct a substantive examination, and only after the substantive examination can the patent be obtained. For substantive examination, some can be conducted immediately, while others can be carried out after 18 days. (6) Obtain the patent certificate.

Methods of checking foreign patents: The parties can search for patent applications and grants according to the official ** of the patent authorities specially established in the country. If the patent has also been applied for in China, the parties concerned can inquire about the relevant information in the announcement of the patent administration department.

[Legal basis].

Article 17 of the Patent Law of the People's Republic of China.

Where a foreigner, foreign enterprise or other foreign organization that does not have a habitual residence or business office in China applies for a patent in China, it shall be handled in accordance with the agreement signed between the country to which it belongs and China or the international treaty to which it is a party, or in accordance with the principle of reciprocity, in accordance with this Law.

Article 36.

When an applicant for a patent for invention requests substantive examination, he or she shall submit reference materials related to the invention before the filing date.

If an application for a patent for invention has already been filed in a foreign country, the patent administration department may require the applicant to submit the materials of the search conducted in that country for the purpose of examining the application or the information on the results of the examination within the specified time limit; If the application is not submitted within the time limit without justifiable reasons, the application shall be deemed withdrawn.