3. Research Patents

a. Search Patents
- Links to web sites where inventors can do a free patent search on their invention in the United States, Europe, Japan, Germany, Korea, China, Canada, and World Intellectual Property Organization.

b. Download U.S. patents
- Download copies of patents from the U.S. Patent and Trademark Office in .pdf Acrobat format.

c. Legal Research For Inventors
- Links to web sites for inventors to do free legal research.