Collateral for a security interest recorded Aug 12, 2022 (Golub Capital Markets LLC).
Term ends May 15, 2029 · High confidence
20-year base term ends May 15, 2029
Held by Excelitas Technologies Corp.
Filed Sep 25, 2017 as application 15/714,365 · Granted Aug 17, 2021
Base term plus 300 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2009
2029
Clock starts
May 15, 2009
May 15, 2009
Term ends
May 15, 2029
May 15, 2029
Granted
Aug 17, 2021
Aug 17, 2021
base term
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
300
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 9,772,177.
1 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it 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.
This patent's term runs 300 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 1 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 May 15, 2009, when application 12/466,993, the earliest non-provisional in its chain, was filed (this one was filed Sep 25, 2017) | May 15, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +300 days, USPTO patent term adjustment record | Mar 11, 2030 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,772,177) | capped to May 15, 2029 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 15, 2029 | High confidence |
This family
| US 8,259,303 | In force Aug 2029 | Aug 2029 |
| Application 13/568,507 | Abandoned not computed | not computed |
| US 9,772,177 | In force May 2029 | May 2029 |
| US 11,092,426 | this patent May 2029 | May 2029 |
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 2, 2019 Reel 48000, frame 692 | Axsun Technologies, Inc. | Jpmorgan Chase Bank, N.a. | First Lien Intellectual Property Security Agreement |
| Jan 2, 2019 Reel 48000, frame 711 | Axsun Technologies, Inc. | Royal Bank of Canada, as Collateral Agent | Second Lien Intellectual Property Security Agreement |
| Dec 11, 2020 Reel 54698, frame 911 | Axsun Technologies Inc. | Excelitas Technologies Corp. | Assignment of Assignor's Interest |
| Aug 12, 2022 Reel 61161, frame 854 | JPMorgan Chase Bank, N.A., as Collateral Agent | Axsun Technologies, Inc. | Release of First Lien Security Interest in Intellectual Property |
| Aug 12, 2022 Reel 61161, frame 942 | Royal Bank of Canada, as Collateral Agent | Axsun Technologies, Inc. | Release of Second Lien Security Interest in Intellectual Property |
| Aug 12, 2022 Reel 61164, frame 582 | Excelitas Technologies Corp. | Golub Capital Markets LLC, as Collateral 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
May 2029
Term ends May 15, 2029. No further fees fall due before then
Note
The 300 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 9,772,177.
Citations
19
later US patents cite this one
That is top 10% of utility patents granted in 2021 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.