Lapsed Aug 7, 2026 on the fee record · High confidence
20-year base term ended Nov 30, 2025
Second maintenance fee unpaid; grace period ended.
Held by Rambus Inc.
Filed Mar 3, 2014 as application 14/194,923 · Granted Aug 7, 2018
Base term plus 269 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Aug 7, 2026
2005
2026
Clock starts
Nov 30, 2005
Nov 30, 2005
Term ended
Aug 7, 2026
Aug 7, 2026
Granted
Aug 7, 2018
Aug 7, 2018
base term
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
269
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,610,417, US 8,078,775, US 8,281,055, US 8,707,009.
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.
Its term would have run to Nov 30, 2025: its 20-year base term plus 269 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Mar 3, 2014) | Nov 30, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +269 days, USPTO patent term adjustment record | Aug 26, 2026 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,610,417, US 8,078,775, US 8,281,055, US 8,707,009) | capped to Nov 30, 2025 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 1 maintenance fees paid | lapsed Aug 7, 2026 | High confidence |
| Computed term end | The steps above, in order | Aug 7, 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 | this patent Aug 2026 | Aug 2026 |
| US 11,302,371 | In force 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 |
|---|---|---|---|
| Mar 7, 2014 Reel 32415, frame 226 | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 269 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 7,610,417, US 8,078,775, US 8,281,055, US 8,707,009.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2018 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.