Term ends Nov 13, 2027 · High confidence
20-year base term ended May 24, 2025
Held by Speednic LLC
Filed May 24, 2005 as application 11/137,146 · Granted May 17, 2011
Base term plus 903 days of patent term adjustment (USPTO delay)
Today
2005
2027
Clock starts
May 24, 2005
May 24, 2005
Term ends
Nov 13, 2027
Nov 13, 2027
Granted
May 17, 2011
May 17, 2011
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
903
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 903 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 May 24, 2005, when this application, 11/137,146, was filed | May 24, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +903 days, USPTO patent term adjustment record | Nov 13, 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 13, 2027 | 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 |
|---|---|---|---|
| Sep 2, 2005 Reel 16488, frame 419 | Eiriksson, Asgeir Thor; Chen, Shenze; Kaplan, Patrico Fernando; Smith, George E. | Chelsio Communications, Inc. | Assignment of Assignor's Interest |
| May 9, 2013 Reel 30389, frame 982 | Chelsio Communications, Inc. | East West Bank | Security Agreement |
| Oct 21, 2014 Reel 33989, frame 930 | East West Bank | Chelsio Communications, Inc. | Release of Security Interest |
| Oct 21, 2014 Reel 33990, frame 451 | Chelsio Communications, Inc. | Silicon Valley Bank | Security Interest |
| Jul 15, 2016 Reel 39360, frame 596 | East West Bank | Chelsio Communications, Inc. | Release of Security Interest |
| Jul 29, 2016 Reel 39296, frame 550 | Chelsio Communications, Inc. | Novirian Capital | Security Interest |
| Apr 25, 2017 Reel 42142, frame 232 | Novirian Capital | Chelsio Communications, Inc. | Release of Security Interest |
| Aug 14, 2019 Reel 50050, frame 396 | Chelsio Communications, Inc. | Western Alliance Bank, An Arizona Corporation | Security Interest |
| Aug 15, 2019 Reel 50112, frame 234 | Chelsio Communications, Inc. | Western Alliance Bank, An Arizona Corporation | Corrective Assignment to Correct the the First Page of the Intellectual Property Security Agreement Has an Incorrect Date That Needs to Be Corrected Previously Recorded on Reel 050050 Frame 0396. Assignor(S) Hereby Confirms the Security Interest. |
| Dec 18, 2025 Reel 73264, frame 525 | Western Alliance Bank, An Arizona Corporation | Chelsio Communications, Inc. | Release of Security Interest |
| Dec 26, 2025 Reel 74070, frame 784 | CSNK Working Capital Finance Corp. | Chelsio Communications, Inc. | Release of Security Interest |
| Feb 13, 2026 Reel 74633, frame 824 | Chelsio Communications, Inc. | Speednic LLC | Assignment of Assignor's Interest |
| May 5, 2026 Reel 75561, frame 1 | Chelsio Communications, Inc. | Speednic LLC | 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
Nov 2027
Term ends Nov 13, 2027. No further fees fall due before then
Note
The 903 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
12
later US patents cite this one
That is above 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.