Collateral for a security interest recorded Apr 2, 2022 (North Haven Expansion Credit II LP).
Lapsed Jul 17, 2026 on the fee record · High confidence
20-year base term ends Jan 23, 2035
Second maintenance fee unpaid; grace period ended.
Held by Conversica, Inc.
Filed Jan 23, 2015 as application 14/604,610 · Granted Jul 17, 2018
Base term, 20 years from filing, plus 703 days of patent term adjustment (USPTO delay)
Today
Lapsed Jul 17, 2026
2015
2036
Clock starts
Jan 23, 2015
Jan 23, 2015
No longer in force
Jul 17, 2026
Jul 17, 2026
Granted
Jul 17, 2018
Jul 17, 2018
Term would have run to
Dec 26, 2036
Dec 26, 2036
base term
patent term adjustment
after the term ends
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
703
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.
32
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 Dec 26, 2036: its 20-year base term plus 703 days of term adjustment for prosecution delay. 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 Jan 23, 2015, when this application, 14/604,610, was filed | Jan 23, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +703 days, USPTO patent term adjustment record | Dec 26, 2036 | 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 | lapsed Jul 17, 2026 | High confidence |
| Computed term end | The steps above, in order | Jul 17, 2026 | High confidence |
This family
| US 11,042,910 | In force Jan 2036 | Jan 2036 |
| US 10,803,479 | In force Apr 2036 | Apr 2036 |
| US 10,026,037 | this patent Jul 2026 | Jul 2026 |
| Application PCT/US2016/014650 | PCT application no patent term | no patent term |
| US 11,301,632 | In force Sep 2037 | Sep 2037 |
| Application 16/129,722 | Abandoned not computed | not computed |
| US 11,010,555 | In force Mar 2035 | Mar 2035 |
| Application PCT/US2018/051827 | PCT application no patent term | no patent term |
8 of 32 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 |
|---|---|---|---|
| Apr 9, 2015 Reel 35402, frame 457 | Brigham, Benjamin P. | Conversica, LLC | Assignment of Assignor's Interest |
| Sep 6, 2016 Reel 39643, frame 138 | Conversica, Inc.; Conversica LLC | WF Fund V Limited Partnership | Security Interest |
| Jan 9, 2018 Reel 45028, frame 880 | WF Fund V Limited Partnership, C/O/B/ as Wellington Financial LP and Wellington Financial Fund V | Canadian Imperial Bank of Commerce | Assignment and Assumption of Security Interests |
| Oct 30, 2018 Reel 47364, frame 556 | Conversica, LLC | Conversica, Inc. | Assignment of Assignor's Interest |
| Jun 5, 2019 Reel 49385, frame 406 | Brigham, Benjamin P.; Gainor, Macgregor S.; Silverbears, Joseph M.; Griffin, Patrick D.; Keller, Jared | Conversica, Inc. | Assignment of Assignor's Interest |
| Apr 2, 2022 Reel 59479, frame 591 | Canadian Imperial Bank of Commerce, a Canadian Bank ("Cibc"), as Successor in Interest to WF Fund V Limited Partnership A/K/A WF Fund V Limited Partnership, a Limited Partnership Formed Under the Laws of the Province of Manitoba (C/O/B Well | Conversica, Inc.; Conversica LLC (Formerly Known as Ava.ai LLC) | Release of Security Interest |
| Apr 2, 2022 Reel 59479, frame 602 | Conversica, Inc. | North Haven Expansion Credit II LP | Security Interest |
| Apr 2, 2022 reel/frame not recorded | Canadian Imperial Bank of Commerce, a Canadian Bank ("Cibc"), as Successor in Interest to WF Fund V Limited Partnership A/K/A WF Fund V Limited Partnership, a Limited Partnership Formed Under the Laws of the Province of Manitoba (C/O/B Well | Conversica, Inc. | Release of Security Interest |
| Apr 2, 2022 reel/frame not recorded | Canadian Imperial Bank of Commerce, a Canadian Bank ("Cibc"), as Successor in Interest to WF Fund V Limited Partnership A/K/A WF Fund V Limited Partnership, a Limited Partnership Formed Under the Laws of the Province of Manitoba (C/O/B Well | Conversica LLC (Formerly Known as Ava.ai LLC) | Release of Security Interest |
| Nov 3, 2022 Reel 61643, frame 684 | Conversica, Inc. | Avidbank | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 703 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
8
later US patents cite this one
That is above the median 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.