Term ends Mar 13, 2034 · High confidence
20-year base term ends Jul 25, 2032
Held by Kakao Corp.
Filed Jul 25, 2012 as application 13/557,926 · Granted Oct 13, 2015
Base term plus 596 days of patent term adjustment (USPTO delay)
Today
2012
2034
Clock starts
Jul 25, 2012
Jul 25, 2012
Term ends
Mar 13, 2034
Mar 13, 2034
Granted
Oct 13, 2015
Oct 13, 2015
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
596
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.
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 596 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 Jul 25, 2012, when this application, 13/557,926, was filed | Jul 25, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +596 days, USPTO patent term adjustment record | Mar 13, 2034 | 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 | Mar 13, 2034 | High confidence |
This family
| US 9,159,053 | this patent Mar 2034 | Mar 2034 |
| US 8,898,157 | In force Jul 2032 | Jul 2032 |
| US 10,460,290 | In force Jul 2032 | Jul 2032 |
| US 9,015,155 | In force Sep 2032 | Sep 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 |
|---|---|---|---|
| Nov 27, 2012 Reel 29355, frame 16 | Levinson, Stuart J.; Crane, Riley W.; Johnson, Sean; Buschmann, Brian F.; Byrum, James M.; Moffitt, Jack; Balasubramanian, Santhosh | Talkto, Inc. | Assignment of Assignor's Interest |
| Jan 14, 2015 Reel 34706, frame 267 | Talkto, Inc. | Path, Inc. | Assignment of Assignor's Interest |
| Jan 15, 2016 Reel 37503, frame 282 | Path, Inc. | Daum Kakao Singapore Corp. | Assignment of Assignor's Interest |
| Jan 15, 2016 Reel 37544, frame 106 | Daum Kakao Singapore Corp. | Path Mobile Inc. Pte. Ltd. | Change of Name |
| Jun 18, 2020 Reel 52971, frame 212 | Path Mobile Inc. Pte. Ltd. | Kakao Corp. | Assignment of Assignor's 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
Mar 2034
Term ends Mar 13, 2034. Maintenance fees still fall due before then
Note
The 596 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
26
later US patents cite this one
That is top 25% of utility patents granted in 2015 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.