Term ended Jun 29, 2025 · High confidence
20-year base term ends Jun 17, 2030
Held by Rambus Inc.
Filed Mar 3, 2015 as application 14/637,369 · Granted May 23, 2017
Base term plus 65 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Term ended Jun 29, 2025
2010
2030
Clock starts
Jun 17, 2010
Jun 17, 2010
Term ended
Jun 29, 2025
Jun 29, 2025
Granted
May 23, 2017
May 23, 2017
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
65
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 7,280,428.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
10
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 65 days past its 20-year base term on 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 Jun 17, 2010, when application PCT/US2010/039095, the earliest non-provisional in its chain, was filed (this one was filed Mar 3, 2015) | Jun 17, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +65 days, USPTO patent term adjustment record | Aug 21, 2030 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,280,428) | capped to Jun 29, 2025 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Jun 29, 2025 | High confidence |
This family
| Application PCT/US2010/039095 | PCT application no patent term | no patent term |
| Application 13/383,205 | Abandoned not computed | not computed |
| US 9,658,953 | this patent Jun 2025 | Jun 2025 |
| US 9,898,400 | Lapsed on the fee record Feb 2026 | Feb 2026 |
| US 10,552,310 | In force Jun 2030 | Jun 2030 |
| US 11,204,863 | In force Jun 2030 | Jun 2030 |
| US 11,748,252 | In force Jun 2030 | Jun 2030 |
| US 11,720,485 | In force Jun 2030 | Jun 2030 |
8 of 10 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 |
|---|---|---|---|
| Mar 5, 2015 Reel 35097, frame 686 | Sheffler, Thomas; Lai, Lawrence; Peng, Liang; Rychlik, Bohuslav | 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 65 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 7,280,428.
Citations
47
later US patents cite this one
That is top 10% of utility patents granted in 2017 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.