Also listed on ST Detecttech, LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends May 17, 2031 · High confidence
20-year base term ends Jun 1, 2027
Held by ST Portfolio Holdings, LLC
Filed Jun 14, 2007 as application 11/763,281 · Granted Dec 23, 2014
Base term plus 1446 days of patent term adjustment (USPTO delay)
Today
2007
2031
Clock starts
Jun 1, 2007
Jun 1, 2007
Term ends
May 17, 2031
May 17, 2031
Granted
Dec 23, 2014
Dec 23, 2014
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
1,446
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.
24
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 1446 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 Jun 1, 2007, when application 11/757,152, the earliest non-provisional in its chain, was filed (this one was filed Jun 14, 2007) | Jun 1, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1446 days, USPTO patent term adjustment record | May 17, 2031 | 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 | May 17, 2031 | High confidence |
This family
| US 8,311,228 | In force (reinstated) Dec 2030 | Dec 2030 |
| Application PCT/US2007/070262 | PCT application no patent term | no patent term |
| Application PCT/US2007/071253 | PCT application no patent term | no patent term |
| US 8,917,876 | this patent May 2031 | May 2031 |
| US 8,194,864 | In force Aug 2030 | Aug 2030 |
| US 8,199,919 | In force Nov 2030 | Nov 2030 |
| Application PCT/US2007/083136 | PCT application no patent term | no patent term |
| Application PCT/US2007/083154 | PCT application no patent term | no patent term |
8 of 24 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 |
|---|---|---|---|
| Oct 2, 2007 Reel 19906, frame 608 | Goldstein, Steven W. | Personics Holdings Inc. | Assignment of Assignor's Interest |
| Apr 19, 2013 Reel 30249, frame 78 | Personics Holdings, Inc. | Staton Family Investments, Ltd. | Security Agreement |
| Feb 8, 2014 Reel 32189, frame 304 | Personics Holdings, Inc. | Personics Holdings, LLC | Assignment of Assignor's Interest |
| Nov 5, 2014 Reel 34170, frame 933 | Personics Holdings, LLC | DM Staton Family Limited Partnership (as Assignee of Maria B. Staton) | Security Interest |
| Jun 26, 2017 Reel 42992, frame 493 | Personics Holdings, Inc.; Personics Holdings, LLC | DM Station Family Limited Partnership, Assignee of Staton Family Investments, Ltd. | Assignment of Assignor's Interest |
| Jun 26, 2017 Reel 42992, frame 524 | DM Station Family Limited Partnership, Assignee of Staton Family Investments, Ltd. | Staton Techiya, LLC | Assignment of Assignor's Interest |
| Aug 1, 2017 Reel 43392, frame 961 | Personics Holdings, Inc.; Personics Holdings, LLC | DM Staton Family Limited Partnership, Assignee of Staton Family Investments, Ltd. | Corrective Assignment to Correct the Assignee's Name Previously Recorded at Reel: 042992 Frame: 0493. Assignor(S) Hereby Confirms the Assignment. |
| Aug 1, 2017 Reel 43393, frame 1 | DM Staton Family Limited Partnership, Assignee of Staton Family Investments, Ltd. | Staton Techiya, LLC | Corrective Assignment to Correct the Assignor's Name Previously Recorded on Reel 042992 Frame 0524. Assignor(S) Hereby Confirms the Assignment of the Entire Interest and Good Will. |
| Jun 21, 2024 Reel 67803, frame 509 | Staton Techiya, LLC | ST Portfolio Holdings, LLC | Assignment of Assignor's Interest |
| Jun 21, 2024 Reel 67803, frame 533 | ST Portfolio Holdings, LLC | ST Detecttech, LLC | Assignment of Assignor's Interest |
| Mar 29, 2025 Reel 70673, frame 855 | ST Detecttech, LLC | ST Eartech, LLC | Assignment of Assignor's Interest |
| May 9, 2026 Reel 75533, frame 472 | ST CASE1TECH, LLC; ST Casestech, LLC; ST Famtech, LLC; ST R&DTECH, LLC; ST Tiptech, LLC; ST Sealtech, LLC; ST Biotech, LLC; ST Eartech, LLC; ST Detecttech, LLC; ST Vrtech, LLC; ST Awaretech, LLC; CASES2TECH, LLC | ST Portfolio Holdings, LLC | Merger |
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.
What's changing
May 2031
Term ends May 17, 2031. No further fees fall due before then
Note
The 1446 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
30
later US patents cite this one
That is top 25% of utility patents granted in 2014 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.