Louisville Free Public Library
- The LFPL is the only complete patent and trademark library in the
state. See more information below on workshops and assistance.
What is a patent?
patent is a property right granted by the government of the United
States to an inventor to exclude others from making, using, offering
for sale, or selling the invention throughout the United States or
importing the invention into the United States for a limited time, in
exchange for public disclosure of the invention when the patent is
What types of patents are there?
patents may be granted to anyone who invents or discovers any new,
useful and nonobvious process, machine, article of manufacture, or
composition of matter (pharmaceuticals, genetically engineered
materials), or any new and useful improvement thereof.
Design patents may be granted to anyone who invents a new, original and ornamental design for an article of manufacture.
Plant patents may be granted to anyone who invents or discovers and asexually reproduces any distinct and new variety of plant.
What cannot be patented?
Laws of nature
Literary, dramatic, musical and artistic works (see copyright above)
Inventions which are not useful or offensive to the public morality.