Collateral for a security interest recorded May 14, 2026 (GLP GV China 2 Holdings Limited, as Successor Lender).
Term ends Jul 20, 2036 · High confidence
20-year base term ends Jul 20, 2036
Held by Tompkins Robotics, Inc.
Filed Mar 9, 2017 as application 15/455,094 · Granted May 22, 2018
Base term, 20 years from filing
Today
2016
2036
Clock starts
Jul 20, 2016
Jul 20, 2016
Term ends
Jul 20, 2036
Jul 20, 2036
Granted
May 22, 2018
May 22, 2018
base term
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
13
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. 2 of 3 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 Jul 20, 2016, when application PCT/CN2016/090684, the earliest non-provisional in its chain, was filed (this one was filed Mar 9, 2017) | Jul 20, 2036 | 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 | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 20, 2036 | High confidence |
This family
| US 10,245,620 | In force Jul 2036 | Jul 2036 |
| US 9,914,586 | In force Jul 2036 | Jul 2036 |
| US 9,975,148 | this patent Jul 2036 | Jul 2036 |
| Application PCT/US2018/019135 | PCT application no patent term | no patent term |
| US 10,248,112 | In force Jul 2036 | Jul 2036 |
| US 10,968,087 | In force Jul 2036 | Jul 2036 |
| US 11,630,448 | In force no later than Mar 2037 | no later than Mar 2037 |
| US 11,714,401 | In force Jul 2036 | Jul 2036 |
8 of 13 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 |
|---|---|---|---|
| Aug 18, 2017 Reel 43605, frame 703 | Zhu, Jianqiang; Xu, Juejing; Spain, John C.; Futch, Michael C.; Serstad, James M.; Kaminska, Richard C., III; McKnight, Selden W., JR. | Tompkins International | Assignment of Assignor's Interest |
| Apr 22, 2020 Reel 52467, frame 561 | Tompkins International, LLC; Tompkins Robotics, LLC | GLP China Holdings Limited | Security Interest |
| Jun 16, 2020 Reel 52957, frame 820 | Tompkins International | Tompkins Associates, Inc. Dba Tompkins International | Certificate of Assumed Name |
| Dec 7, 2020 Reel 54626, frame 650 | Tompkins Associates, Inc. D/B/A Tompkins International | Zhejiang Libiao Robot Co., Ltd. | Assignment (50%) |
| Feb 11, 2021 Reel 55223, frame 954 | Tompkins Associates, Inc. Dba 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 |
| May 14, 2026 Reel 75590, frame 656 | GLP China Holdings Limited, as Retiring Lender | GLP GV China 2 Holdings Limited, as Successor Lender | Assignment of Intellectual Property Security Interests and Agreements Recorded at Reel/Frames 052467/0561 and 053601/0485 |
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
Jul 2036
Term ends Jul 20, 2036. Maintenance fees still fall due before then
Citations
131
later US patents cite this one
That is top 5% of utility patents granted in 2018 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.