Collateral for a security interest recorded Jun 18, 2024 (TCW Asset Management Company LLC).
Term ends Dec 4, 2029 · High confidence
20-year base term ends Sep 17, 2028
Held by Telecommunication Systems, Inc.
Filed Sep 17, 2008 as application 12/232,417 · Granted May 22, 2012
Base term plus 443 days of patent term adjustment (USPTO delay)
Today
2008
2029
Clock starts
Sep 17, 2008
Sep 17, 2008
Term ends
Dec 4, 2029
Dec 4, 2029
Granted
May 22, 2012
May 22, 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
443
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.
4
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 443 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 Sep 17, 2008, when this application, 12/232,417, was filed | Sep 17, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +443 days, USPTO patent term adjustment record | Dec 4, 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 | Dec 4, 2029 | High confidence |
This family
| US 8,185,087 | this patent Dec 2029 | Dec 2029 |
| US 8,874,068 | Lapsed on the fee record Oct 2022 | Oct 2022 |
| US 9,131,357 | In force Sep 2028 | Sep 2028 |
| US 9,467,826 | In force Sep 2028 | Sep 2028 |
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 |
|---|---|---|---|
| Jan 29, 2010 Reel 23870, frame 484 | Telecommunication Systems, Inc.; Longhorn Acquisition, LLC; Solvern Innovations, Inc.; Quasar Acquisition, LLC; Networks in Motion, Inc. | Silicon Valley Bank, Agent | Security Agreement |
| Feb 12, 2010 Reel 23968, frame 508 | Mitchell, Donald L., JR.; Zhu, Yinjun; D'souza, Myron; Marshall, Roger S. | Telecommunication Systems, Inc. | Assignment of Assignor's Interest |
| Mar 3, 2016 Reel 37993, frame 1 | Comtech Ef Data Corp.; Comtech Xicom Technology, Inc.; Comtech Mobile Datacom Corporation; Telecommunication Systems, Inc. | Citibank N.a., As Administrative Agent | Security Agreement |
| Mar 3, 2016 Reel 37994, frame 113 | Silicon Valley Bank | Telecommunication Systems, Inc.; Longhorn Acquisition, LLC; Solvem Innovations, Inc.; Quasar Acquisition, LLC; Networks in Motion, Inc. | Release of Security Interest |
| Mar 3, 2016 reel/frame not recorded | Silicon Valley Bank | Telecommunication Systems, Inc. | Release of Security Interest |
| Mar 3, 2016 reel/frame not recorded | Silicon Valley Bank | Longhorn Acquisition, LLC | Release of Security Interest |
| Mar 3, 2016 reel/frame not recorded | Silicon Valley Bank | Solvem Innovations, Inc. | Release of Security Interest |
| Mar 3, 2016 reel/frame not recorded | Silicon Valley Bank | Quasar Acquisition, LLC | Release of Security Interest |
| Mar 3, 2016 reel/frame not recorded | Silicon Valley Bank | Networks in Motion, Inc. | Release of Security Interest |
| Jun 18, 2024 Reel 67776, frame 309 | Telecommunication Systems, Inc. | TCW Asset Management Company LLC, as Agent | Security Interest |
| Jun 19, 2024 Reel 67780, frame 566 | Citibank, N.A., as Administrative Agent | Comtech Telecommunications Corp.; Comtech Ef Data Corp.; Comtech Mobile Datacom LLC; Comtech Satellite Network Technologies, Inc.; Comtech Systems, Inc.; Comtech Xicom Technology, Inc.; Maple Acquisition LLC; Telecommunication Systems, Inc. | Release of Security Interest in Patents at Reel 037993/FRAME 0001 |
| Jun 19, 2024 reel/frame not recorded | Citibank, N.A., as Administrative Agent | Comtech Telecommunications Corp. | Release of Security Interest in Patents at Reel 037993/FRAME 0001 |
| Jun 19, 2024 reel/frame not recorded | Citibank, N.A., as Administrative Agent | Comtech Ef Data Corp. | Release of Security Interest in Patents at Reel 037993/FRAME 0001 |
| Jun 19, 2024 reel/frame not recorded | Citibank, N.A., as Administrative Agent | Comtech Mobile Datacom LLC | Release of Security Interest in Patents at Reel 037993/FRAME 0001 |
| Jun 19, 2024 reel/frame not recorded | Citibank, N.A., as Administrative Agent | Comtech Satellite Network Technologies, Inc. | Release of Security Interest in Patents at Reel 037993/FRAME 0001 |
| Jun 19, 2024 reel/frame not recorded | Citibank, N.A., as Administrative Agent | Comtech Systems, Inc. | Release of Security Interest in Patents at Reel 037993/FRAME 0001 |
| Jun 19, 2024 reel/frame not recorded | Citibank, N.A., as Administrative Agent | Comtech Xicom Technology, Inc. | Release of Security Interest in Patents at Reel 037993/FRAME 0001 |
| Jun 19, 2024 reel/frame not recorded | Citibank, N.A., as Administrative Agent | Maple Acquisition LLC | Release of Security Interest in Patents at Reel 037993/FRAME 0001 |
| Jun 19, 2024 reel/frame not recorded | Citibank, N.A., as Administrative Agent | Telecommunication Systems, Inc. | Release of Security Interest in Patents at Reel 037993/FRAME 0001 |
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
Dec 2029
Term ends Dec 4, 2029. No further fees fall due before then
Note
The 443 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
140
later US patents cite this one
That is top 5% 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.