Accurate patent expiration date calculations are dependent on many factors such as filing dates, issue dates, priority dates, patent term adjustment, patent term extension, and terminal disclaimers. Additionally, many sources of this information contain incomplete, outdated, or incorrect data.

Key Features

MaxVal provides comprehensive patent expiration date calculations that include manual review of the relevant documents to verify:

  • All dates
  • Priority claims
  • Patent term adjustment (PTA)
  • Patent term extension (PTE)
  • Terminal disclaimers and the expiration dates of any patents found in terminal disclaimers
  • Maintenance fee status

Additionally, we can check the status of the claims due to reissue, reexamination, PTAB decisions, and litigation.

Access a sample of our Patent Term Determination report