Term ended Oct 16, 2026 · High confidence
20-year base term ended Oct 16, 2026
Held by Phigenix, Inc.
Filed Mar 2, 2021 as application 17/189,525 · Granted Aug 20, 2024
Base term plus 204 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Term ended Oct 16, 2026
2006
2026
Clock starts
Oct 16, 2006
Oct 16, 2006
Term ended
Oct 16, 2026
Oct 16, 2026
Granted
Aug 20, 2024
Aug 20, 2024
base term
after the term ends
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
204
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 11,033,628, US 7,964,577, US 8,080,534, US 8,394,780, US 8,431,546, US 8,461,101, US 8,633,149.
None due
Maintenance fees
This term ends before the first maintenance fee's grace period does, 4 years from grant, so no fee can end it early.
37
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 204 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Oct 16, 2006, when application PCT/US2006/040215, the earliest non-provisional in its chain, was filed (this one was filed Mar 2, 2021) | Oct 16, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +204 days, USPTO patent term adjustment record | May 8, 2027 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 11,033,628, US 7,964,577, US 8,080,534, US 8,394,780, US 8,431,546, US 8,461,101, US 8,633,149) | capped to Oct 16, 2026 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | No maintenance fee can end the term early | term ended | High confidence |
| Computed term end | The steps above, in order | Oct 16, 2026 | High confidence |
This family
| US 7,964,577 | In force Jul 2027 | Jul 2027 |
| US 8,088,603 | In force Jul 2028 | Jul 2028 |
| Application 12/546,292 | Abandoned not computed | not computed |
| Application PCT/US2009/054913 | PCT application no patent term | no patent term |
| US 8,080,534 | Term ended Oct 2026 | Oct 2026 |
| Application PCT/US2010/024740 | PCT application no patent term | no patent term |
| US 8,318,692 | Lapsed on the fee record Nov 2024 | Nov 2024 |
| US 8,735,365 | In force no later than Jul 2027 | no later than Jul 2027 |
8 of 37 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 |
|---|---|---|---|
| Mar 2, 2021 Reel 55457, frame 633 | Donald, Carlton D. | Phigenix, Inc. | Assignment of Assignor's 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 204 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 11,033,628, US 7,964,577, US 8,080,534, US 8,394,780, US 8,431,546, US 8,461,101, US 8,633,149.
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2024 in our data have been cited yet, so we show the count and do not rank on it.
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.