Term ends Apr 7, 2040 · High confidence
20-year base term ends Apr 22, 2039
Held by Trip Lab, Inc.
Filed Jul 18, 2019 as application 16/516,061 · Granted Feb 14, 2023
Base term plus 351 days of patent term adjustment (USPTO delay)
Today
2019
2040
Clock starts
Apr 22, 2019
Apr 22, 2019
Term ends
Apr 7, 2040
Apr 7, 2040
Granted
Feb 14, 2023
Feb 14, 2023
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
351
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 351 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 Apr 22, 2019, when application 16/390,931, the earliest non-provisional in its chain, was filed (this one was filed Jul 18, 2019) | Apr 22, 2039 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +351 days, USPTO patent term adjustment record | Apr 7, 2040 | 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 | Apr 7, 2040 | High confidence |
This family
| US 11,928,310 | In force Dec 2040 | Dec 2040 |
| US 11,580,941 | this patent Apr 2040 | Apr 2040 |
| Application 18/168,284 | Pending not computed | not computed |
| Application 18/428,755 | Pending not computed | not computed |
| Application 18/982,864 | Pending not computed | not computed |
| Application 19/447,859 | Pending not computed | not computed |
| Application 19/697,356 | Pending not computed | not computed |
| Application 19/701,157 | Pending not computed | not computed |
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 |
|---|---|---|---|
| Jul 18, 2019 Reel 49795, frame 580 | Wipperfürth, Alex | Dial House, LLC | Assignment of Assignor's Interest |
| Feb 21, 2023 Reel 62819, frame 445 | Dial House, LLC | Trip Lab, Inc. | Change of Name |
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
Apr 2040
Term ends Apr 7, 2040. Maintenance fees still fall due before then
Note
The 351 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
18
later US patents cite this one
That is top 5% 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.