Collateral for a security interest recorded Mar 3, 2016 (Citibank N.A.).
Lapsed Mar 29, 2019 on the fee record · High confidence
20-year base term ends Apr 6, 2027
Second maintenance fee unpaid; grace period ended.
Held by Telecommunication Systems, Inc.
Filed Feb 17, 2009 as application 12/372,235 · Granted Mar 29, 2011
Base term, 20 years from filing, plus 147 days of patent term adjustment (USPTO delay)
Today
Lapsed Mar 29, 2019
2007
2027
Clock starts
Apr 6, 2007
Apr 6, 2007
No longer in force
Mar 29, 2019
Mar 29, 2019
Granted
Mar 29, 2011
Mar 29, 2011
Term would have run to
Aug 31, 2027
Aug 31, 2027
base term
patent term adjustment
after the term ends
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
147
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
12
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Aug 31, 2027: its 20-year base term plus 147 days of term adjustment for prosecution delay. 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 6, 2007, when application 11/697,575, the earliest non-provisional in its chain, was filed (this one was filed Feb 17, 2009) | Apr 6, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +147 days, USPTO patent term adjustment record | Aug 31, 2027 | 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 | 1 of 3 maintenance fees paid | lapsed Mar 29, 2019 | High confidence |
| Computed term end | The steps above, in order | Mar 29, 2019 | High confidence |
This family
| US 7,511,662 | In force Apr 2027 | Apr 2027 |
| Application PCT/US2007/066639 | PCT application no patent term | no patent term |
| US 7,916,074 | this patent Mar 2019 | Mar 2019 |
| Application 13/029,966 | Abandoned not computed | not computed |
| US 9,239,376 | In force Jul 2034 | Jul 2034 |
| US 9,097,783 | Lapsed on the fee record Aug 2019 | Aug 2019 |
| Application PCT/US2013/021986 | PCT application no patent term | no patent term |
| US 9,658,341 | In force Feb 2030 | Feb 2030 |
8 of 12 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 |
|---|---|---|---|
| May 6, 2009 Reel 22644, frame 839 | Mathews, Michael B.; Gold, Kenn L.; Macdoran, Peter F. | Loctronix Corporation | Assignment of Assignor's Interest |
| Jan 15, 2013 reel/frame not recorded | Loctronix Corporation | Mathews, Jerome E. | Security Agreement |
| Jan 15, 2013 reel/frame not recorded | Loctronix Corporation | Aas, David | Security Agreement |
| Jan 15, 2013 reel/frame not recorded | Loctronix Corporation | Davis, Thomas C. | Security Agreement |
| Jan 15, 2013 reel/frame not recorded | Loctronix Corporation | Engenex Technologies LLC | Security Agreement |
| Jan 15, 2013 reel/frame not recorded | Loctronix Corporation | Hawkeye Investments LLC | Security Agreement |
| Jan 15, 2013 reel/frame not recorded | Loctronix Corporation | Hawkeye Investments II LLC | Security Agreement |
| Jan 15, 2013 Reel 29627, frame 645 | Loctronix Corporation | Mathews, Jerome E.; Aas, David; Davis, Thomas C.; Engenex Technologies LLC; Hawkeye Investments LLC; Hawkeye Investments II LLC | Security Agreement |
| Jun 1, 2015 Reel 35758, frame 620 | Mathews, Jerome E.; Aas, David; Davis, Thomas C.; Engenex Technologies LLC; Hawkeye Investments LLC; Hawkeye Investments II LLC | Loctronix Corporation | Release of Security Interest |
| Jun 18, 2015 Reel 35862, frame 44 | Loctronix Corporation | 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 |
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
Note
The 147 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
5
later US patents cite this one
That is below 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.