Collateral for a security interest recorded Sep 30, 2025 (Fifth Third Bank, National Association).
Term ends Mar 15, 2027 · High confidence
20-year base term ended May 24, 2025
Held by Medicomp, Inc.
Filed May 24, 2005 as application 11/136,322 · Granted May 11, 2010
Base term plus 660 days of patent term adjustment (USPTO delay)
Today
2005
2027
Clock starts
May 24, 2005
May 24, 2005
Term ends
Mar 15, 2027
Mar 15, 2027
Granted
May 11, 2010
May 11, 2010
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
660
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.
9
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 660 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 May 24, 2005, when this application, 11/136,322, was filed | May 24, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +660 days, USPTO patent term adjustment record | Mar 15, 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 | Mar 15, 2027 | High confidence |
This family
| US 8,204,580 | In force no later than Jun 2029 | no later than Jun 2029 |
| US 7,715,905 | this patent Mar 2027 | Mar 2027 |
| Application PCT/US2005/018542 | PCT application no patent term | no patent term |
| US 8,483,807 | Term ended May 2026 | May 2026 |
| US 8,954,137 | Term ended no later than Oct 2025 | no later than Oct 2025 |
| US 8,983,587 | Term ended May 2025 | May 2025 |
| US 9,445,736 | Term ended no later than May 2025 | no later than May 2025 |
| US 9,770,181 | Term ended May 2025 | May 2025 |
8 of 9 applications in this family shown, earliest filings first. 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 15 | Kurzweil, Raymond C.; Albrecht, Paul; Gibson, Lucy | Kurzweil Technologies, Inc. | Assignment of Assignor's Interest |
| May 5, 2006 Reel 17584, frame 39 | Kurzweil Technologies, Inc. | United Technologies Corporation | Assignment of Assignor's Interest |
| Nov 22, 2006 Reel 18550, frame 948 | Kurzweil Technologies, Inc. | United Therapeutics Corporation | 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
Mar 2027
Term ends Mar 15, 2027. No further fees fall due before then
Note
The 660 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
222
later US patents cite this one
That is top 5% of utility patents granted in 2010 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.