Five patents currently held, every record listed here
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
4 more records may belong here and await a decision; they are not counted.
The next term ends in Jan 2033. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Jan 2033
Next term end
4
Patent families
When these terms end
Each bar runs from grant to computed term end. 2015 to 2035.
US 9,629,185
Establishing Text Communication Sessions Between Wireless Mobile Devices and Emergency Call Centers
Mar 26, 2035
20192023202720312035
Every computed term in this portfolio is shown above.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
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Mar 2035 · High confidence
Also notable
Ends Jul 2033 · High confidence
Also notable
Ends Mar 2033 · High confidence
Establishing Text Communication Sessions Between Wireless Mobile Devices and Emergency Call Centers
US 9,629,185
Cited by 57 later US patents, top 10% of utility patents granted in 2017 in our data, and renewed at every maintenance window due so far. Protection runs to 2035.
Automatic Location-Based Emergency Response System
US 9,167,379
The most cited patent in this portfolio, cited by 73 later US patents, top 10% of utility patents granted in 2015 in our data. Protection runs to 2033.
Prioritization of Emergency Calls
US 8,976,939
Cited by 25 later US patents, top 25% of utility patents granted in 2015 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2033.
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Apr 20, 2027The maintenance fee for Automatic Location-Based Emergency Response System (US 9,167,379) comes due Apr 20, 2027. Unpaid by Oct 20, 2027, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
What they patent
The 2 largest of its 4 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Prioritization of Emergency Calls | 2 in force | to Mar 2033 |
| SMS Communication During Emergencies | 1 in force | to Apr 2034 |
Patents held now
Soonest term end first.
Showing 1 to 5 of 5
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,420,116 | Prioritization of Emergency Calls In force · High confidence | In force | High confidence | |
| US 8,976,939 | Prioritization of Emergency Calls In force · High confidence | In force | High confidence | |
| US 9,167,379 | Automatic Location-Based Emergency Response System In force (reinstated) · High confidence | In force (reinstated) | High confidence | |
| US RE50,016 | SMS Communication During Emergencies In force (reinstated) · Low confidence | In force (reinstated) | Low confidence | |
| US 9,629,185 | Establishing Text Communication Sessions Between Wireless Mobile Devices and Emergency Call Centers In force (reinstated) · High confidence | In force (reinstated) | High confidence |
Also on record, not counted in the 5: 4 patents ended. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.