Term ends Oct 6, 2028 · High confidence
20-year base term ends Mar 23, 2028
Held by Powermat Technologies, Ltd.
Filed Sep 21, 2009 as application 12/563,558 · Granted Jan 3, 2012
Base term plus 197 days of patent term adjustment (USPTO delay)
Today
2008
2028
Clock starts
Mar 23, 2008
Mar 23, 2008
Term ends
Oct 6, 2028
Oct 6, 2028
Granted
Jan 3, 2012
Jan 3, 2012
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
197
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.
26
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 197 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 Mar 23, 2008, when application PCT/IL2008/000401, the earliest non-provisional in its chain, was filed (this one was filed Sep 21, 2009) | Mar 23, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +197 days, USPTO patent term adjustment record | Oct 6, 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 | Oct 6, 2028 | High confidence |
This family
| US 8,090,550 | this patent Oct 2028 | Oct 2028 |
| US 8,749,097 | In force Jun 2028 | Jun 2028 |
| US 8,441,364 | In force Jul 2030 | Jul 2030 |
| US 9,136,734 | In force no later than Feb 2029 | no later than Feb 2029 |
| US 8,626,461 | In force Mar 2028 | Mar 2028 |
| US 9,412,512 | In force Sep 2032 | Sep 2032 |
| US 8,965,720 | In force Mar 2028 | Mar 2028 |
| US 9,048,696 | In force no later than Dec 2028 | no later than Dec 2028 |
8 of 26 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 |
|---|---|---|---|
| Dec 1, 2009 Reel 23585, frame 450 | Azancot, Yossi; Ben-shalom, Amir; Greenwald, Oola; Rofe, Arik | Powermat Ltd. | Assignment of Assignor's Interest |
| Jan 10, 2012 Reel 27508, frame 819 | Powermat Ltd. | Powermat Technologies, Ltd. | Change of Name |
| Jul 25, 2018 Reel 46635, frame 683 | Powermat Technologies Ltd. | Arbel Fund L.P. | Security Interest |
| Feb 4, 2020 Reel 51793, frame 969 | Arbel Fund L.P. | Powermat Technologies Ltd. | 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.
What's changing
Oct 2028
Term ends Oct 6, 2028. No further fees fall due before then
Note
The 197 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.