Collateral for a security interest recorded Jun 18, 2024 (TCW Asset Management Company LLC).
Term ends Sep 17, 2028 · Medium confidence
20-year base term ends Sep 17, 2028
Why Medium: A parent in the chain could not be resolved.
Held by Telecommunication Systems, Inc.
Filed Aug 25, 2015 as application 14/834,852 · Granted Oct 11, 2016
Base term plus 30 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2008
2028
Clock starts
Sep 17, 2008
Sep 17, 2008
Term ends
Sep 17, 2028
Sep 17, 2028
Granted
Oct 11, 2016
Oct 11, 2016
base term
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
30
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 9,131,357.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. 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 30 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 2 of 2 maintenance fees are paid so far. Confidence: Medium. 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 application 12/232,417, the earliest non-provisional in its chain, was filed (this one was filed Aug 25, 2015); a parent in its chain could not be resolved (the next row) | Sep 17, 2028 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +30 days, USPTO patent term adjustment record | Oct 17, 2028 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,131,357) | capped to Sep 17, 2028 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 17, 2028 | Medium confidence |
This family
| US 8,185,087 | In force 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 | this patent 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 |
|---|---|---|---|
| Aug 25, 2015 Reel 36413, frame 825 | Mitchell, Donald L., JR.; Zhu, Yinjun; D'souza, Myron; Marshall, Roger S. | Telecommunication Systems, Inc. | Assignment of Assignor's Interest |
| Nov 16, 2018 Reel 48104, frame 80 | Comtech Telecommunications Corp.; Comtech Ef Data Corp.; Comtech Xicom Technology, Inc.; Comtech Systems, Inc.; Comtech PST Corp.; Comtech Mobile Datacom Corporation; Angels Acquisition Corp.; Armer Communications Engineering Services, Inc.; Comtech Aeroastro, Inc.; Comtech Antenna Systems, Inc.; Comtech Communications Corp.; Comtech Comstream, Inc.; Comtech Systems International, Inc.; Comtech Tolt Technologies, Inc.; Tiernan Radyne Comstream, Inc.; Comtech CPI Electron Devices Corp.; Comtech CPI Microwave Corp.; Telecommunication Systems, Inc.; Networks in Motion, Inc.; Solvern Innovations, Inc.; Microdata, LLC; Microdata Gis, Inc.; Maple Acquisition LLC; Nextgen Communications, Inc., a Corporation of Maryland; Nextgen Communications, Inc., a Corporation of Virginia; Olive Acquisition LLC | Citibank, N.a. | 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 444 | 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 048104/FRAME 0080 |
| Jun 19, 2024 reel/frame not recorded | Citibank, N.A., as Administrative Agent | Comtech Telecommunications Corp. | Release of Security Interest in Patents at Reel 048104/FRAME 0080 |
| 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 048104/FRAME 0080 |
| 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 048104/FRAME 0080 |
| 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 048104/FRAME 0080 |
| Jun 19, 2024 reel/frame not recorded | Citibank, N.A., as Administrative Agent | Comtech Systems, Inc. | Release of Security Interest in Patents at Reel 048104/FRAME 0080 |
| 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 048104/FRAME 0080 |
| Jun 19, 2024 reel/frame not recorded | Citibank, N.A., as Administrative Agent | Maple Acquisition LLC | Release of Security Interest in Patents at Reel 048104/FRAME 0080 |
| Jun 19, 2024 reel/frame not recorded | Citibank, N.A., as Administrative Agent | Telecommunication Systems, Inc. | Release of Security Interest in Patents at Reel 048104/FRAME 0080 |
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
Sep 2028
Term ends Sep 17, 2028. No further fees fall due before then
Note
The 30 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 9,131,357.
Citations
3
later US patents cite this one
That is below the median of utility patents granted in 2016 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.