Term ended Nov 10, 2022 · High confidence
20-year base term ended Sep 28, 2021
Held by Rambus Inc.
Filed Sep 28, 2001 as application 09/967,389 · Granted Jun 22, 2004
Base term plus 408 days of patent term adjustment (USPTO delay)
Today
Term ended Nov 10, 2022
2001
2026
Clock starts
Sep 28, 2001
Sep 28, 2001
Term ended
Nov 10, 2022
Nov 10, 2022
Granted
Jun 22, 2004
Jun 22, 2004
base term
patent term adjustment
after the term ends
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
408
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.
45
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 408 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Sep 28, 2001, when this application, 09/967,389, was filed | Sep 28, 2021 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +408 days, USPTO patent term adjustment record | Nov 10, 2022 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Nov 10, 2022 | High confidence |
This family
| US 6,754,866 | this patent Nov 2022 | Nov 2022 |
| Application 10/205,883 | Abandoned not computed | not computed |
| US 6,812,726 | Term ended Dec 2022 | Dec 2022 |
| US 6,882,171 | Term ended Nov 2022 | Nov 2022 |
| US 7,006,940 | Lapsed on the fee record Feb 2018 | Feb 2018 |
| US 7,139,945 | Term ended no later than Feb 2021 | no later than Feb 2021 |
| US 7,103,815 | Term ended Sep 2021 | Sep 2021 |
| US 7,240,254 | Lapsed on the fee record Jul 2019 | Jul 2019 |
8 of 45 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Sep 28, 2001 Reel 12226, frame 534 | Ong, Adrian E.; Ho, Fan | Inapac Technology, Inc. | Assignment of Assignor's Interest |
| Apr 28, 2009 Reel 22597, frame 896 | Inapac Technology, Inc. | Rambus Inc. | 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
Note
The 408 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
16
later US patents cite this one
That is above the median of utility patents granted in 2004 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.