Term ends May 18, 2028 · High confidence
20-year base term ended Nov 19, 2024
Held by Orckit IP, LLC
Filed Nov 19, 2004 as application 10/993,882 · Granted Jul 5, 2011
Base term plus 1276 days of patent term adjustment (USPTO delay)
Today
2004
2028
Clock starts
Nov 19, 2004
Nov 19, 2004
Term ends
May 18, 2028
May 18, 2028
Granted
Jul 5, 2011
Jul 5, 2011
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
1,276
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 1276 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 Nov 19, 2004, when this application, 10/993,882, was filed | Nov 19, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1276 days, USPTO patent term adjustment record | May 18, 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 | May 18, 2028 | 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 |
|---|---|---|---|
| Nov 19, 2004 Reel 16019, frame 425 | Zelig, David; Bruckman, Leon; Solomon, Ronen; Khill, Uzi; Mor, Gal | Corrigent Systems Ltd. | Assignment of Assignor's Interest |
| Mar 18, 2013 Reel 30033, frame 774 | Orckit-Corrigent Ltd. | Hudson Bay IP Opportunities Master Fund, LP | Security Agreement |
| Jul 26, 2013 Reel 30887, frame 983 | Hudson Bay IP Opportunities Master Fund LP | Orckit-Corrigent Ltd. | Release of Security Interest |
| Apr 1, 2014 Reel 32579, frame 201 | Corrigent Systems Ltd. | Orckit-Corrigent Ltd. | Change of Name |
| May 9, 2016 Reel 38507, frame 587 | Orckit Communication Ltd.; Orckit-Corrigent Ltd.; Corrigent Systems Ltd. | Orckit IP, LLC | Assignment of Assignor's 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
May 2028
Term ends May 18, 2028. No further fees fall due before then
Note
The 1276 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
89
later US patents cite this one
That is top 10% 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.