Patent maintenance fee events (SEP 1, 1981 - present)
Back to Results
Contains recorded maintenance fee events for patents granted from September 1, 1981 to present. Each new weekly file (Tuesday) is cumulative.
Contains recorded maintenance fee events for patents granted from September 1, 1981 to present. Each new weekly file (Tuesday) is cumulative with a file format of ASCII.
Loading table...
Documents & Resources
Looking for more resources?
The zip files here also contain resources.