What are patents?
Patents are a right granted by the government to a person or legal entity (partnership or corporation), to exclude others from making, using or selling the invention claimed in the patent for approximately 20 years. They often include useful reference lists.
Patents are useful for:
- studying trends in industries
- finding out how items are made
- tracing the development of an invention
There are 3 types of patents:
Official website of the U.S. Patent & Trademark Office: www.uspto.gov