Lapsed Oct 15, 2023 on the fee record · High confidence
20-year base term ends May 21, 2032
First maintenance fee unpaid; grace period ended.
Held by Kidon IP Corporation
Filed May 25, 2017 as application 15/605,154 · Granted Oct 15, 2019
Base term, 20 years from filing, plus 224 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Oct 15, 2023
2012
2032
Clock starts
May 21, 2012
May 21, 2012
No longer in force
Oct 15, 2023
Oct 15, 2023
Granted
Oct 15, 2019
Oct 15, 2019
Term would have run to
Aug 19, 2032
Aug 19, 2032
base term
patent term adjustment
after the term ends
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
224
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 9,710,044.
0 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.
4
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 Aug 19, 2032: its 20-year base term plus 224 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 May 21, 2012, when application 13/476,179, the earliest non-provisional in its chain, was filed (this one was filed May 25, 2017) | May 21, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +224 days, USPTO patent term adjustment record | Dec 31, 2032 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,710,044) | capped to Aug 19, 2032 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | lapsed Oct 15, 2023 | High confidence |
| Computed term end | The steps above, in order | Oct 15, 2023 | High confidence |
This family
| US 9,003,218 | In force Feb 2033 | Feb 2033 |
| US 9,043,626 | In force Feb 2033 | Feb 2033 |
| US 9,710,044 | Lapsed on the fee record Jul 2021 | Jul 2021 |
| US 10,444,812 | this patent Oct 2023 | Oct 2023 |
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 |
|---|---|---|---|
| May 25, 2017 Reel 42507, frame 905 | Bose, Pradip; Buyuktosunoglu, Alper; Franke, Hubertus; Tembey, Priyanka; Da Silva, Dilma M. | International Business Machines Corporation | Assignment of Assignor's Interest |
| Feb 23, 2026 Reel 74975, frame 477 | International Business Machines Corporation | Kidon IP Corporation | Assignment of Assignor's Interest |
| Feb 23, 2026 Reel 73866, frame 504 | Kidon IP Corporation | Caprock Integrated Technologies LLC | Assignment of Assignor's Interest |
| Mar 19, 2026 Reel 74125, frame 530 | International Business Machines Corporation | Kidon IP 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.
What's changing
Note
The 224 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 9,710,044.
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2019 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.