Why is classification so important?
While it is possible to search patents using keywords, the best way to conduct a comprehensive patent search is by classification. Classification helps bring together similar devices and concepts, even when different terms have been used to describe them. When a device is truly new, terminology is not set. For example, before personal computers a mouse was nothing more than a rodent. The inventor of the first "Computer Input and Display Control" would not have found related devices by searching the keyword "mouse." A classification is used both as a tool for finding patents (patentability searches), and for assisting in the assignment of patent applications to examiners for examination purposes. Classifications have definitions. Classifications have hierarchical relationships to one another.USPTO Fees
The USPTO charges fees at every step of the patent process and these fees are the only fixed cost in the process. The USPTO charges a required $330 to file an application, $540 for a search, $220 for an examination, $1,510 to issue the patent if it passes the examination, plus $7,750 in maintenance fees over the 20 years that the patent is in force. Hence, the total to file and go through the process is $1,090, but the total to receive the patent and keep it in force is $10,350. Note that independent inventors and small businesses receive a 50 percent discount on fees but that the USPTO charges more for extra or late paperwork.Turning an Invention Idea into Money - How Do I Conduct a Patent Search for Prior Art?
A patent search is part of your search for prior art (no, not paintings.) Prior art is any body of knowledge that relates to your invention. Prior art would include previous patents, trade journal articles, publications (including data books and catalogs), public discussions, trade shows, or public use or sales anywhere in the world. As discussed previously, the search for prior art helps prove the novel and nonobvious legal conditions that are required for a patent to be granted.Utility patents
Utility patents are for either a: process, machine, article of manufacture, composition of matter or an improvement of any of the above. Patent protection is also available for (1) ornamental design of an article of manufacture (design patent) or (2) asexually reproduced plant varieties by design and plant patents (plant patent).Is my invention already patented?
Determine if your invention is novel by doing a "prior art" or patent search, find out if someone else has already patented your idea. An inventor or hired professional can conduct a search of the USPTO records.