Patent Index and Concordance

The Patent Index provides information about patents and patent families.

Key:

Patent families are very important. Most individuals and/or companies applying for patent protection do so broadly - that is, they want coverage in many countries. Since countries vary as to the spped patent application are processed and patents issued, the first application may not be the first issued patent. Patent family information is also useful in finding a corresponding patent that may be in a language one can read.