Term ends Apr 18, 2034 · High confidence
20-year base term ends Apr 16, 2030
Held by Hammer Technologies, Inc.
Filed Apr 16, 2010 as application 12/762,264 · Granted Jun 18, 2019
Base term plus 1463 days of patent term adjustment (USPTO delay)
Today
2010
2034
Clock starts
Apr 16, 2010
Apr 16, 2010
Term ends
Apr 18, 2034
Apr 18, 2034
Granted
Jun 18, 2019
Jun 18, 2019
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
1,463
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.
This patent's term runs 1463 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. 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 16, 2010, when this application, 12/762,264, was filed | Apr 16, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1463 days, USPTO patent term adjustment record | Apr 18, 2034 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Apr 18, 2034 | High confidence |
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 |
|---|---|---|---|
| Apr 19, 2010 Reel 24251, frame 536 | Ivanyi, Tibor; Nath, Anuj; Hsing-wang Wong, David; Eidelman, Sergey; Turgeon, Anne-marie | Empirix Inc. | Assignment of Assignor's Interest |
| Nov 1, 2013 Reel 31532, frame 806 | Empirix Inc. | Capitalsource Bank, As Administrative Agent | Security Agreement |
| Nov 5, 2013 Reel 31580, frame 694 | Empirix Inc. | Stellus Capital Investment Corporation, as Agent | Patent Security Agreement |
| May 2, 2018 Reel 45691, frame 864 | Pacific Western Bank, as Agent (FKA Capitalsource Bank) | Ares Capital Corporation, As Agent | Security Interest |
| Sep 26, 2018 Reel 46982, frame 124 | Ares Capital Corporation, as Successor Agent to Pacific Western Bank (as Successor to Capitalsource Bank) | Empirix Inc. | Release of Security Interest |
| Sep 26, 2018 Reel 46982, frame 535 | Stellus Capital Investment Corporation | Empirix Inc. | Release of Security Interest |
| Sep 26, 2018 Reel 46983, frame 508 | Empirix Inc. | Goldman Sachs Middle Market Lending Corp. | Security Interest |
| Apr 21, 2021 Reel 55988, frame 203 | Goldman Sachs BDC, Inc. (as Successor-in-Interest to Goldman Sachs Middle Market Lending Corp.), as Collateral Agent | Empirix Inc. | Release of Security Interest |
| May 17, 2024 Reel 67456, frame 875 | Empirix Inc. | Hammer Technologies, Inc. | Change of Name |
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
Apr 2034
Term ends Apr 18, 2034. Maintenance fees still fall due before then
Note
The 1463 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
103
later US patents cite this one
That is top 5% of utility patents granted in 2019 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.