Collateral for a security interest recorded Sep 26, 2025 (HSBC Ventures USA Inc.).
Term ends Nov 28, 2028 · High confidence
20-year base term ends Feb 25, 2028
Held by Synacor, Inc.
Filed Feb 25, 2008 as application 12/036,765 · Granted Mar 22, 2011
Base term plus 277 days of patent term adjustment (USPTO delay)
Today
2008
2028
Clock starts
Feb 25, 2008
Feb 25, 2008
Term ends
Nov 28, 2028
Nov 28, 2028
Granted
Mar 22, 2011
Mar 22, 2011
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
277
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 277 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 Feb 25, 2008, when this application, 12/036,765, was filed | Feb 25, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +277 days, USPTO patent term adjustment record | Nov 28, 2028 | 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 | Nov 28, 2028 | High confidence |
This family
| US 7,912,986 | this patent Nov 2028 | Nov 2028 |
| Application 13/021,231 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Apr 24, 2008 Reel 20852, frame 515 | Eastman, John M; Jones, Chad F.; White, John Thomas, JR | Simdesk Technologies, Inc. | Assignment of Assignor's Interest |
| Dec 17, 2012 Reel 29485, frame 641 | Simdesk Technologies, Inc. | Simdesk Acquisition Corp. | Asset Purchase Agreement |
| Dec 17, 2012 Reel 29485, frame 690 | Simdesk Acquisition Corp. | Mezeo Software Corp. | Change of Name |
| Sep 11, 2014 Reel 33726, frame 215 | Mezeo Software Corporation | Zimbra, Inc. | Assignment of Assignor's Interest |
| Jul 24, 2015 Reel 36169, frame 964 | Mezeo Software Corporation | Zimbra, Inc. | Assignment of Assignor's Interest |
| Aug 5, 2015 Reel 36256, frame 135 | Zimbra, Inc. | NXT Capital SBIC, LP | Security Interest |
| Sep 25, 2015 Reel 36688, frame 352 | Synacor, Inc. | Silicon Valley Bank | First Amendment to Intellectual Property Security Agreement |
| Oct 8, 2015 Reel 36756, frame 205 | Simdesk Technologies, Inc. | Simdesk Acquisition Corp. | Assignment of Assignor's Interest |
| Oct 8, 2015 Reel 36756, frame 302 | Zimbra, Inc. | Synacor, Inc. | Assignment of Assignor's Interest |
| Aug 8, 2019 Reel 49999, frame 701 | Synacor, Inc. | Silicon Valley Bank | Intellectual Property Security Agreement |
| Mar 30, 2021 Reel 55762, frame 875 | NXT Capital, LLC (Successor in Interest by Merger to NXT Capital SBIC, LP) | Zimbra, Inc. | Release of Security Interest |
| Sep 26, 2025 Reel 72391, frame 88 | Synacor, Inc. | HSBC Ventures USA Inc. | Security Interest |
| Sep 26, 2025 Reel 72391, frame 218 | Synacor, Inc.; NTV Internet Holdings, LLC | White Oak Global Advisors, LLC, as Administrative Agent | Security Interest |
| Dec 10, 2025 Reel 73181, frame 671 | Silicon Valley Bank | Synacor, Inc. | Release of 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
Nov 2028
Term ends Nov 28, 2028. No further fees fall due before then
Note
The 277 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
18
later US patents cite this one
That is above the median of utility patents granted in 2011 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.