Collateral for a security interest recorded Sep 2, 2025 (Acquiom Agency Services LLC).
Term ends Feb 27, 2029 · High confidence
20-year base term ends Apr 4, 2027
Held by Syndigo LLC
Filed Sep 1, 2009 as application 12/225,955 · Granted Oct 30, 2012
Base term plus 695 days of patent term adjustment (USPTO delay)
Today
2007
2029
Clock starts
Apr 4, 2007
Apr 4, 2007
Term ends
Feb 27, 2029
Feb 27, 2029
Granted
Oct 30, 2012
Oct 30, 2012
base term
patent term adjustment
fee events
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
695
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.
2
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 695 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 Apr 4, 2007, when application PCT/US2007/008457, the earliest non-provisional in its chain, was filed (this one was filed Sep 1, 2009) | Apr 4, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +695 days, USPTO patent term adjustment record | Feb 27, 2029 | 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 | Feb 27, 2029 | High confidence |
This family
| US 8,301,516 | this patent Feb 2029 | Feb 2029 |
1 of 2 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 |
|---|---|---|---|
| Sep 1, 2009 Reel 23335, frame 270 | Spindler, Michael; Metallo, Cyndi | Gladson, LLC | Assignment of Assignor's Interest |
| Jan 25, 2017 Reel 41079, frame 95 | Gladson, LLC | Twin Brook Capital Partners, LLC, as Agent | Security Interest |
| Oct 24, 2018 Reel 47290, frame 924 | Gladson, LLC | Twin Brook Capital Partners, LLC, as Collateral Agent | Security Interest |
| Dec 7, 2018 Reel 47711, frame 245 | Twin Brook Capital Partners, LLC | Gladson, LLC | Release of Security Interest |
| Jul 15, 2020 Reel 53222, frame 363 | Gladson, LLC | Syndigo LLC | Change of Name |
| Jul 30, 2020 Reel 53356, frame 543 | Syndigo LLC | Twin Brook Capital Partners, LLC, as Collateral Agent | Security Interest |
| Dec 15, 2020 Reel 54766, frame 308 | Twin Brook Capital Partners, LLC | Syndigo LLC (F/K/A Gladson, LLC) | Release of Security Interest at Reel/Frame 047290/0924 |
| Dec 15, 2020 Reel 54766, frame 535 | Twin Brook Capital Partners, LLC | Syndigo LLC | Release of Security Interest at Reel/Frame 053356/0543 |
| Dec 15, 2020 Reel 54766, frame 599 | Syndigo LLC; Sellpoints Inc. | Jefferies Finance LLC | First Lien Security Agreement |
| Dec 15, 2020 Reel 54766, frame 617 | Syndigo LLC; Sellpoints Inc. | Jefferies Finance LLC | Second Lien Security Agreement |
| Sep 2, 2025 Reel 72810, frame 575 | Syndigo LLC; 1WORLDSYNC, Inc.; Powerreviews, Inc.; Powerreviews Oc, LLC | Acquiom Agency Services LLC, as Collateral Agent | Patent Security Agreement |
| Sep 3, 2025 Reel 72784, frame 920 | Jefferies Finance LLC, as Collateral Agent | Syndigo LLC | Release of 1L Security Interest Recorded at Reel/Frame 054766/0599 |
| Sep 3, 2025 Reel 72817, frame 757 | Jefferies Finance LLC, as Collateral Agent | Syndigo LLC | Release of 2L Security Interest Recorded at Reel/Frame 054766/0617 |
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
Feb 2029
Term ends Feb 27, 2029. No further fees fall due before then
Note
The 695 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
33
later US patents cite this one
That is top 25% of utility patents granted in 2012 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.