Term ended Sep 27, 2026 · High confidence
20-year base term ended Sep 27, 2026
Held by Salesforce, Inc.
Filed Jan 21, 2022 as application 17/581,198 · Granted Aug 15, 2023
Base term, 20 years from filing
Today
Term ended Sep 27, 2026
2006
2026
Clock starts
Sep 27, 2006
Sep 27, 2006
Term ended
Sep 27, 2026
Sep 27, 2026
Granted
Aug 15, 2023
Aug 15, 2023
base term
after the term ends
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,701,026, US 11,240,194, US 9,053,461, US 9,762,530, to Sep 27, 2026. The term already ends on or before that date, so the cap shortened nothing.
None due
Maintenance fees
This term ends before the first maintenance fee's grace period does, 4 years from grant, so no fee can end it early.
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 27, 2006, when application 11/528,753, the earliest non-provisional in its chain, was filed (this one was filed Jan 21, 2022) | Sep 27, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,701,026, US 11,240,194, US 9,053,461, US 9,762,530) | resolves to Sep 27, 2026, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | No maintenance fee can end the term early | term ended | High confidence |
| Computed term end | The steps above, in order | Sep 27, 2026 | High confidence |
This family
| US 9,053,461 | In force Aug 2028 | Aug 2028 |
| Application PCT/US2006/038728 | PCT application no patent term | no patent term |
| US 9,762,530 | Term ended Sep 2026 | Sep 2026 |
| US 10,701,026 | In force Dec 2026 | Dec 2026 |
| US 11,240,194 | Term ended Oct 2026 | Oct 2026 |
| US 11,729,132 | this patent Sep 2026 | Sep 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 |
|---|---|---|---|
| Jan 21, 2022 Reel 58725, frame 792 | Vemulapelli, Rajanikanth; Lu, Ming Judy; Kota, Jayarama Kumar | Yahoo! Inc. | Assignment of Assignor's Interest |
| Jan 21, 2022 Reel 58727, frame 178 | Excalibur IP, LLC | Slack Technologies, Inc. | Assignment of Assignor's Interest |
| Jan 21, 2022 Reel 58727, frame 325 | Slack Technologies, Inc. | Slack Technologies, LLC | Merger |
| Jan 21, 2022 Reel 58804, frame 631 | Yahoo! Inc. | Excalibur IP, LLC | Assignment of Assignor's Interest |
| Jan 21, 2022 Reel 58804, frame 398 | Excalibur IP, LLC | Yahoo! Inc. | Assignment of Assignor's Interest |
| Aug 18, 2023 Reel 64642, frame 564 | Slack Technologies, LLC | Salesforce, 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.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,701,026, US 11,240,194, US 9,053,461, US 9,762,530, ends no earlier than this term, so it caps nothing.
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2023 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.