Also listed on Pros, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Dec 9, 2025 (TCG Senior Funding L.L.C.).
Term ends Jan 23, 2032 · High confidence
20-year base term ends Jun 23, 2031
Held by Pros Travel Commerce, Inc.
Filed Jun 23, 2011 as application 13/167,624 · Granted Mar 26, 2019
Base term plus 214 days of patent term adjustment (USPTO delay)
Today
2011
2032
Clock starts
Jun 23, 2011
Jun 23, 2011
Term ends
Jan 23, 2032
Jan 23, 2032
Granted
Mar 26, 2019
Mar 26, 2019
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
214
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
This patent's term runs 214 days past its 20-year base term on 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 Jun 23, 2011, when this application, 13/167,624, was filed | Jun 23, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +214 days, USPTO patent term adjustment record | Jan 23, 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 23, 2032 | High confidence |
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 11, 2011 Reel 26574, frame 232 | Kamenov, Dimitar; Manev, Boyan; Goychev, Ivan; Kremenliev, Georgi | Vayant Travel Technologies LLC | Assignment of Assignor's Interest |
| Mar 31, 2014 Reel 32560, frame 378 | Vayant Travel Technologies, LLC | Vayant Travel Technologies, Inc. | Merger |
| Oct 5, 2017 Reel 43797, frame 646 | Vayant Travel Technologies, Inc. | Wells Fargo Bank, National Association, as Agent | Security Interest |
| Dec 21, 2017 Reel 44939, frame 84 | Vayant Travel Technologies, Inc. | Pros Travel Commerce, Inc. | Change of Name |
| Apr 7, 2022 Reel 59534, frame 677 | Wells Fargo Bank, National Association, as Agent | Pros Travel Commerce, Inc., Formerly Known as Vayant Travel Technologies, Inc. | Release of Security Interest |
| Dec 9, 2025 Reel 73165, frame 617 | Pros, Inc.; Pros Travel Commerce, Inc.; Pros Florida, LLC | TCG Senior Funding L.L.C. | 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 23, 2032. Maintenance fees still fall due before then
Note
The 214 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
9
later US patents cite this one
That is above the median of utility patents granted in 2019 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.