Can I do a patent search online?
Can I do a patent search online? You can also access U.S. patent applications online. Start at uspto.gov/patft. Next, under the heading Related USPTO Services, click on Tools to Help Searching by Patent Classification. Patent searches may also be done at google.com/patents and at a number of other free sites. Is a patent search free? USPTO. The U.S. Patent & Trademark Office provides free patent searching of its public databases. What is the best patent search engine? Google Patents Google Patents is our top recommendation among the free patent search engines. Google Patents indexes more than 18 million patent documents...