Collateral for a security interest recorded Sep 30, 2025 (Fifth Third Bank, National Association).
Term ends Aug 12, 2027 · High confidence
20-year base term ended Mar 7, 2025
Held by Medicomp, Inc.
Filed Mar 7, 2005 as application 11/074,320 · Granted Sep 29, 2009
Base term plus 888 days of patent term adjustment (USPTO delay)
Today
2005
2027
Clock starts
Mar 7, 2005
Mar 7, 2005
Term ends
Aug 12, 2027
Aug 12, 2027
Granted
Sep 29, 2009
Sep 29, 2009
base term
patent term adjustment
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
888
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
4
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 888 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Mar 7, 2005, when this application, 11/074,320, was filed | Mar 7, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +888 days, USPTO patent term adjustment record | Aug 12, 2027 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 12, 2027 | High confidence |
This family
| US 7,596,405 | this patent Aug 2027 | Aug 2027 |
| US 8,428,705 | Term ended Oct 2026 | Oct 2026 |
| US 9,131,867 | Term ended May 2025 | May 2025 |
| US 9,456,762 | Term ended Mar 2025 | Mar 2025 |
The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| May 5, 2006 Reel 17584, frame 110 | Kurzweil Technologies, Inc. | United Therapeutics Corporation | Assignment of Assignor's Interest |
| May 5, 2006 Reel 17584, frame 367 | Kurzweil, Raymond C.; Gibson, Lucy; Albrecht, Paul; Grimshaw, Paul | Kurzweil Technologies, Inc. | Assignment of Assignor's Interest |
| Mar 30, 2011 Reel 26051, frame 858 | United Therapeutics Corporation | Medicomp, Inc. | Assignment of Assignor's Interest |
| Jan 4, 2023 Reel 62278, frame 308 | Medicomp, Inc. | Truist Bank | Notice of Grant of Security Interest in Patents |
| Sep 30, 2025 Reel 72430, frame 464 | Medicomp, Inc.; Watermark Medical, Inc. | Fifth Third Bank, National Association | Security Interest |
| Oct 3, 2025 Reel 72457, frame 824 | Truist Bank | Medicomp, Inc. | Release of Security Interest |
| Jun 30, 2026 Reel 75142, frame 291 | Medicomp, Inc. | Fifth Third Bank, National Association, as Administrative Agent | Security Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Aug 2027
Term ends Aug 12, 2027. No further fees fall due before then
Note
The 888 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
78
later US patents cite this one
That is top 10% of utility patents granted in 2009 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.