See the Quick Start Instructions for assistance. U.S. Patents, 1989- . . CMV HPV HAV VZV RSV Influenza Keyword Use the for more patent searching options. News articles are all fully indexed, but some specialized patent indexing is only done on an annual basis. All entries are indexed for Organization and Virus.
Indexing is generally consistent and controlled.
In earlier years, indexing was primarily used to generate the published annual indexes . Patent Check Tags are also searchable in the Keyword field.