Term ends Jun 11, 2038 · High confidence
20-year base term ends Oct 9, 2035
Filed Oct 9, 2015 as application 14/879,276 · Granted Mar 24, 2020
Base term plus 976 days of patent term adjustment (USPTO delay)
Today
2015
2038
Clock starts
Oct 9, 2015
Oct 9, 2015
Term ends
Jun 11, 2038
Jun 11, 2038
Granted
Mar 24, 2020
Mar 24, 2020
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
976
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 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
27
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 976 days past its 20-year base term on prosecution delay. 1 of 3 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 Oct 9, 2015, when this application, 14/879,276, was filed | Oct 9, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +976 days, USPTO patent term adjustment record | Jun 11, 2038 | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 11, 2038 | High confidence |
This family
| US 9,710,784 | In force Jul 2034 | Jul 2034 |
| US 8,983,963 | In force Jul 2031 | Jul 2031 |
| US 9,052,907 | In force Nov 2032 | Nov 2032 |
| US 8,832,674 | In force Feb 2032 | Feb 2032 |
| US 9,047,413 | In force Sep 2033 | Sep 2033 |
| US 9,092,470 | In force Oct 2032 | Oct 2032 |
| US 8,930,767 | In force Jul 2033 | Jul 2033 |
| US 10,685,313 | In force Feb 2035 | Feb 2035 |
8 of 27 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 |
|---|---|---|---|
| Oct 9, 2015 Reel 36828, frame 522 | Kumar, Roshan; Baiswar, Gyanendra Singh | Software AG | Assignment of Assignor's Interest |
| Sep 25, 2024 Reel 69048, frame 240 | Software AG | International Business Machines 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jun 2038
Term ends Jun 11, 2038. Maintenance fees still fall due before then
Note
The 976 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
74
later US patents cite this one
That is top 5% of utility patents granted in 2020 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.