Collateral for a security interest recorded May 27, 2021 (Silicon Valley Bank).
Term ends Jan 12, 2032 · High confidence
20-year base term ends Oct 13, 2031
Held by Exagrid Systems, Inc.
Filed Nov 27, 2019 as application 16/698,140 · Granted May 17, 2022
Base term plus 91 days of patent term adjustment (USPTO delay)
Today
2011
2032
Clock starts
Oct 13, 2011
Oct 13, 2011
Term ends
Jan 12, 2032
Jan 12, 2032
Granted
May 17, 2022
May 17, 2022
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
91
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 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.
2
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 91 days past its 20-year base term on prosecution delay. 1 of 2 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 13, 2011, when application 13/273,080, the earliest non-provisional in its chain, was filed (this one was filed Nov 27, 2019) | Oct 13, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +91 days, USPTO patent term adjustment record | Jan 12, 2032 | 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 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 12, 2032 | High confidence |
This family
| US 10,498,356 | In force May 2034 | May 2034 |
| US 11,336,295 | this patent Jan 2032 | Jan 2032 |
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 |
|---|---|---|---|
| Dec 23, 2019 Reel 51355, frame 827 | Hecker, Mark Bennett; Ramu, Ashok T. | Exagrid Systems, Inc. | Assignment of Assignor's Interest |
| May 27, 2021 Reel 56372, frame 929 | Exagrid Systems, Inc. | Silicon Valley Bank, As Administrative Agent | 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
Jan 2032
Term ends Jan 12, 2032. Maintenance fees still fall due before then
Note
The 91 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
10
later US patents cite this one
That is top 25% of utility patents granted in 2022 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.