Patent Maintenance Fee Events (1981 - Present)

Description

Contains recorded maintenance fee events for patents granted from September 1, 1981 to present. Each new weekly file is cumulative.

Resources

Name Format Description Link
74 https://bulkdata.uspto.gov/data/patent/maintenancefee

Tags

  • ascii
  • patent
  • maintenance-fee
  • grant
  • event-code
  • tuesday
  • uspto

Topics

Categories