Collateral for a security interest recorded Apr 27, 2026 (GLP GV China 2 Holdings Limited, as Successor in Interest to GLP China Holdings Limited).
Term ends Feb 25, 2039 · High confidence
20-year base term ends Aug 13, 2038
Held by Tompkins Robotics, Inc.
Filed Jan 25, 2021 as application 17/156,963 · Granted Feb 7, 2023
Base term plus 196 days of patent term adjustment (USPTO delay)
Today
2018
2039
Clock starts
Aug 13, 2018
Aug 13, 2018
Term ends
Feb 25, 2039
Feb 25, 2039
Granted
Feb 7, 2023
Feb 7, 2023
base term
patent term adjustment
fee events
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
196
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.
8
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 196 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 Aug 13, 2018, when application PCT/US2018/046460, the earliest non-provisional in its chain, was filed (this one was filed Jan 25, 2021) | Aug 13, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +196 days, USPTO patent term adjustment record | Feb 25, 2039 | 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 | Feb 25, 2039 | High confidence |
This family
| Application PCT/US2018/046460 | PCT application no patent term | no patent term |
| US 10,870,131 | In force Nov 2038 | Nov 2038 |
| US 10,899,542 | In force Nov 2038 | Nov 2038 |
| Application PCT/US2020/024624 | PCT application no patent term | no patent term |
| US 11,572,233 | this patent Feb 2039 | Feb 2039 |
| US 11,745,946 | In force no later than Aug 2038 | no later than Aug 2038 |
| US 12,043,486 | In force no later than Aug 2038 | no later than Aug 2038 |
| US 12,722,895 | In force Aug 2038 | Aug 2038 |
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 25, 2021 Reel 55020, frame 92 | Futch, Michael C.; Serstad, James M.; Fehrenbacher, Ryan; Patel, Milan; Wells, Ray; Wu, Steven; Kaminska, Richard C., III; Edouard, James; McKnight, Denny; Spain, John C. | Tompkins International | Assignment of Assignor's Interest |
| Feb 11, 2021 Reel 55224, frame 167 | Tompkins International | Tompkins Robotics, LLC | Assignment of Assignor's Interest |
| Feb 22, 2021 Reel 55360, frame 410 | Tompkins Robotics, LLC | Tompkins Robotics, Inc. | Entity Conversion |
| Apr 27, 2026 Reel 74490, frame 472 | Tompkins Robotics, Inc. | GLP GV China 2 Holdings Limited, as Successor in Interest to GLP China Holdings Limited | Security 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
Feb 2039
Term ends Feb 25, 2039. Maintenance fees still fall due before then
Note
The 196 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.