question 1: how to inquire about the U.S. patent and trademark office in patft.uspto.gov/?

you can use Quik search,Advanced search and Number search, and you can use keywords, patent numbers, inventors, etc.

question 2: how to search for American patents through USPTO website. USPTO divides the data into public part and authorized part. You open this webpage and choose which part to enter. As for how to enter the equation search, the webpage has an explanation, and you can know at a glance that patft.uspto.gov/... is a noble woman. ml

question 3: How to search for American patents on the website of the US National Intelligence Bureau according to the patent number, or go to the European Patent Office. The domestic search platform can try to search according to rainpat.

Question 4: You always need to know some information before you can search the patent in the United States, such as who is the patentee, the approximate date of application, and whether the technology can determine several keywords. Why don't the Japanese give it to you? I'm afraid I'll collect the patent fee after you make the product, or there is no patent at all/the application is pending/the patent has expired, or the Japanese are just similar in technology and are not sure whether the patent can cover the product.

Question 5: How to search the legal status of American patents to USPTO official website.

Question 6: How to search foreign patents effectively? The effective method is to search the patent application and authorization on the official website of foreign intellectual property offices or organizations, and at the same time, you can also retrieve the full text of the application documents.

provide you with several search entries:

USA: uspto.gov

Japan: jpo.go.jp

Question 7: Where can I find foreign patents? How to operate? Every country has an official patent search website,

patft.uspto.gov/, USA

worldwide.espacenet/?, Europe. Locale=en_EP

j-platpat.inpit.go.jp/web/all/top/BTmTopEnglishPage, Japan

wipo.int/pctdb/en/, World Intellectual Property Office

Question 8: How to find American patents? US Patent and Trademark Office online patent search uspto.gov/patft/index

Question 9: How to find American appearance patents? Patent inquiry is a procedure before patent application. It is not necessary, but necessary. An effective search report can make the applicant avoid that the rights to be protected are not the same as or similar to the patent rights applied for earlier, and ensure that the applied patent is effective. Ways to inquire about patents: to inquire about patents, you can make a general inquiry in the database published by China National Intellectual Property Administration. You can also entrust a patent search center to make professional inquiries. For example, Zheli inquires about the patent network.

I hope to adopt

Question 1: How to inquire about the patents registered in the United States? Because the PAIR website of the US Patent and Trademark Office is not easy to log in, you can enter the application number, public number or authorization number in pure numbers on the website of the European Special Bureau, worldwide.espacenet/... Building en_EP.