Collateral for a security interest recorded Sep 29, 2025 (Wye IP Capital LLC).
Term ends Apr 19, 2032 · High confidence
20-year base term ends Dec 2, 2029
Held by Portsmouth Network Corporation
Filed Dec 2, 2009 as application 12/629,310 · Granted Dec 6, 2016
Base term plus 869 days of patent term adjustment (USPTO delay)
Today
2009
2032
Clock starts
Dec 2, 2009
Dec 2, 2009
Term ends
Apr 19, 2032
Apr 19, 2032
Granted
Dec 6, 2016
Dec 6, 2016
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
869
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
8
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 869 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are 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 Dec 2, 2009, when this application, 12/629,310, was filed | Dec 2, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +869 days, USPTO patent term adjustment record | Apr 19, 2032 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 19, 2032 | High confidence |
This family
| US 9,516,375 | this patent Apr 2032 | Apr 2032 |
| US 10,397,628 | In force Aug 2030 | Aug 2030 |
| US 11,412,282 | In force Dec 2029 | Dec 2029 |
| US 10,904,602 | In force Dec 2029 | Dec 2029 |
| US 11,432,028 | In force Dec 2029 | Dec 2029 |
| US 11,750,871 | In force Dec 2029 | Dec 2029 |
| US 12,010,370 | In force Dec 2029 | Dec 2029 |
| Application 18/624,325 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Jan 27, 2010 Reel 23857, frame 851 | Aloni, Eliezer; Mor, Gal; Brousard, Noam | Orckit-Corrigent Ltd. | Assignment of Assignor's Interest |
| May 4, 2016 Reel 38453, frame 840 | Orckit Communication Ltd.; Orckit-Corrigent Ltd. | Orckit IP, LLC | Assignment of Assignor's Interest |
| May 9, 2016 Reel 38507, frame 587 | Orckit Communication Ltd.; Orckit-Corrigent Ltd.; Corrigent Systems Ltd. | Orckit IP, LLC | Assignment of Assignor's Interest |
| Jul 26, 2023 Reel 64387, frame 371 | Orckit IP, LLC | Perloza Ltd. | Assignment of Assignor's Interest |
| Jul 27, 2023 Reel 64398, frame 636 | Perloza Ltd. | Portsmouth Network Corporation | Assignment of Assignor's Interest |
| Sep 12, 2023 Reel 64870, frame 925 | Portsmouth Network Corporation | Portsmouth Network Corporation | Asignee Address Change |
| Sep 29, 2025 Reel 72978, frame 765 | Enhanced Data Streaming LLC | Wye IP Capital LLC | Patent Security Agreement |
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
Apr 2032
Term ends Apr 19, 2032. Maintenance fees still fall due before then
Note
The 869 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
17
later US patents cite this one
That is top 25% of utility patents granted in 2016 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.