Term ends Nov 20, 2026 · High confidence
20-year base term ended Apr 14, 2026
Held by Mellanox Technologies, Ltd.
Filed Apr 14, 2006 as application 11/404,654 · Granted Dec 2, 2008
Base term plus 220 days of patent term adjustment (USPTO delay)
Today
2006
2026
Clock starts
Apr 14, 2006
Apr 14, 2006
Term ends
Nov 20, 2026
Nov 20, 2026
Granted
Dec 2, 2008
Dec 2, 2008
base term
patent term adjustment
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
220
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.
This patent's term runs 220 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 Apr 14, 2006, when this application, 11/404,654, was filed | Apr 14, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +220 days, USPTO patent term adjustment record | Nov 20, 2026 | 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 | Nov 20, 2026 | 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 |
|---|---|---|---|
| Dec 27, 2006 Reel 18680, frame 200 | Wentzlaff, David; Mattina, Matthew; Agarwal, Anant | Tilera Corporation | Assignment of Assignor's Interest |
| Feb 16, 2017 Reel 41735, frame 792 | Tilera Corporation | Ezchip Semiconductor Inc. | Merger |
| Feb 16, 2017 Reel 41736, frame 13 | Ezchip Semiconductor Inc. | Ezchip, Inc. | Dividend Declaration from Ezchip Semiconductor Inc. to the Stockholder of Record on 6/2/2015 (Ezchip Inc., a Delaware Corporation) |
| Feb 16, 2017 Reel 41736, frame 151 | Ezchip, Inc. | Ezchip Semiconductor Ltd. | Purchase Agreement |
| Feb 16, 2017 Reel 41736, frame 253 | Ezchip Semiconductor Ltd. | Ezchip Technologies, Ltd. | Assignment of Assignor's Interest |
| Feb 16, 2017 Reel 41736, frame 321 | Ezchip Technologies Ltd. | Ezchip Semiconductor Ltd. | Merger |
| Feb 16, 2017 Reel 41870, frame 455 | Ezchip Semiconductor Ltd. | Mellanox Technologies, Ltd. | Merger |
| Jun 23, 2017 Reel 42962, frame 859 | Mellanox Technologies, Ltd.; Mellanox Technologies TLV Ltd.; Mellanox Technologies Silicon Photonics Inc. | JPMorgan Chase Bank, N.A., as Administrative Agent | Security Interest |
| Jul 13, 2018 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Mellanox Technologies, Ltd. | Release of Security Interest in Patent Collateral at Reel/Frame No. 42962/0859 |
| Jul 13, 2018 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Mellanox Technologies TLV Ltd. | Release of Security Interest in Patent Collateral at Reel/Frame No. 42962/0859 |
| Jul 13, 2018 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Mellanox Technologies Silicon Photonics Inc. | Release of Security Interest in Patent Collateral at Reel/Frame No. 42962/0859 |
| Jul 13, 2018 Reel 46551, frame 459 | JPMorgan Chase Bank, N.A., as Administrative Agent | Mellanox Technologies, Ltd.; Mellanox Technologies TLV Ltd.; Mellanox Technologies Silicon Photonics Inc. | Release of Security Interest in Patent Collateral at Reel/Frame No. 42962/0859 |
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
Nov 2026
Term ends Nov 20, 2026. No further fees fall due before then
Note
The 220 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
53
later US patents cite this one
That is top 25% of utility patents granted in 2008 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.