Term ends Nov 22, 2026 · High confidence
20-year base term ended Nov 30, 2025
Held by Rambus Inc.
Filed Jul 4, 2018 as application 16/027,336 · Granted Apr 12, 2022
Base term plus 357 days of patent term adjustment (USPTO delay)
Today
2005
2026
Clock starts
Nov 30, 2005
Nov 30, 2005
Term ends
Nov 22, 2026
Nov 22, 2026
Granted
Apr 12, 2022
Apr 12, 2022
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
357
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
6
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 357 days past its 20-year base term on prosecution delay. 1 of 1 maintenance fees is 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 Nov 30, 2005, when application 11/292,407, the earliest non-provisional in its chain, was filed (this one was filed Jul 4, 2018) | Nov 30, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +357 days, USPTO patent term adjustment record | Nov 22, 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 | 1 of 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 22, 2026 | High confidence |
This family
| US 7,610,417 | Lapsed on the fee record Oct 2021 | Oct 2021 |
| US 8,078,775 | Lapsed on the fee record Dec 2023 | Dec 2023 |
| US 8,281,055 | Lapsed on the fee record Oct 2024 | Oct 2024 |
| US 8,707,009 | Term ended Dec 2025 | Dec 2025 |
| US 10,043,560 | Lapsed on the fee record Aug 2026 | Aug 2026 |
| US 11,302,371 | this patent Nov 2026 | Nov 2026 |
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 |
|---|---|---|---|
| Nov 15, 2019 Reel 51025, frame 540 | Shaeffer, Ian | 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
Nov 2026
Term ends Nov 22, 2026. No further fees fall due before then
Note
The 357 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2022 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.