Term ends May 11, 2027 · High confidence
20-year base term ends May 11, 2027
Held by Workday, Inc.
Filed Aug 8, 2016 as application 15/231,351 · Granted Aug 22, 2017
Base term, 20 years from filing
Today
2007
2027
Clock starts
May 11, 2007
May 11, 2007
Term ends
May 11, 2027
May 11, 2027
Granted
Aug 22, 2017
Aug 22, 2017
base term
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,489,110, to May 11, 2027. The term already ends on or before that date, so the cap shortened nothing.
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.
4
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. 2 of 2 maintenance fees are 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 May 11, 2007, when application 11/747,618, the earliest non-provisional in its chain, was filed (this one was filed Aug 8, 2016) | May 11, 2027 | 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 8,489,110) | resolves to May 11, 2027, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 11, 2027 | High confidence |
This family
| US 8,489,110 | In force Jun 2030 | Jun 2030 |
| US 8,761,803 | In force May 2027 | May 2027 |
| US 9,414,194 | In force May 2027 | May 2027 |
| US 9,743,276 | this patent May 2027 | May 2027 |
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 |
|---|---|---|---|
| Aug 8, 2016 Reel 39372, frame 395 | Frank, Scott; Starr, Robert; Zellner, Samuel; Tischer, Steven; Ruckart, John | AT&T Intellectual Property I, L.P. | Assignment of Assignor's Interest |
| Dec 14, 2021 Reel 58921, frame 552 | BellSouth Intellectual Property Corporation | AT&T Intellectual Property, Inc. | Change of Name |
| Dec 14, 2021 Reel 58920, frame 992 | AT&T Intellectual Property, Inc. | AT&T BLS Intellectual Property, Inc. | Change of Name |
| Dec 14, 2021 Reel 58921, frame 792 | AT&T BLS Intellectual Property, Inc. | AT&T Delaware Intellectual Property, Inc. | Change of Name |
| Dec 15, 2021 Reel 58519, frame 158 | AT&T Delaware Intellectual Property, Inc. | AT&T Intellectual Property I, L.P. | Assignment of Assignor's Interest |
| Dec 16, 2021 Reel 58525, frame 780 | Frank, Scott; Starr, Robert; Zellner, Samuel; Tischer, Steven; Ruckart, John | BellSouth Intellectual Property Corporation | Corrective Assignment to Correct the the Assignee Name Previously Recorded at Reel: 039372 Frame: 0395. Assignor(S) Hereby Confirms the Assignment. |
| Apr 13, 2022 Reel 59591, frame 66 | AT&T Intellectual Property I, L.P. | Workday, Inc. | Assignment of Assignor's Interest |
| Jun 26, 2022 Reel 60314, frame 398 | Frank, Scott; Starr, Robert J.; Ruckart, John P.; Tischer, Steven N.; Zellner, Samuel N. | BellSouth Intellectual Property Corporation | 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
May 2027
Term ends May 11, 2027. No further fees fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,489,110, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
That is below the median 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.