Find patents

You have an idea for an invention, or have gone so far as to create a prototype. Before marketing your invention, you will need to determine if your invention has already been patented. Start by conducting a thorough patent search.

What is a patent?

A patent is a right of ownership granted to a person by the government to exclude others from making or selling the claimed invention for a period of twenty years.

007真人网址There are three main types of patents:

  • Utility – granted for the function of something that is mechanical, electrical, chemical, compositional, or any combination of these
  • Design – granted solely on the look or appearance of something
  • Plant – granted for unique, asexually reproduced plants

007真人网址See (including how to file an application).

Search for patents

You may need to search a number of different patent sites, so it is useful to keep a log of all your search activity.

007真人网址To begin your search:

  1. Brainstorm keywords to describe your invention. Be sure to think of synonyms.
  2. Search Google Patents using your keywords. The lets you enter phrases or exclude a word.
  3. Write down the class and subclass of the similar invention.
  4. Use the class and subclass to search patents and patent applications at the U.S. Patent and Trademark Office's .
  5. Trace related patents through references.

See also: (U.S. Patent and Trademark Office).