Lapsed Aug 21, 2022 on the fee record · High confidence
20-year base term ends Feb 1, 2030
First maintenance fee unpaid; grace period ended.
Held by T&S Communications Co. Ltd.
Filed Jun 30, 2017 as application 15/640,075 · Granted Aug 21, 2018
Base term, 20 years from filing
Today
Lapsed Aug 21, 2022
2010
2030
Clock starts
Feb 1, 2010
Feb 1, 2010
No longer in force
Aug 21, 2022
Aug 21, 2022
Granted
Aug 21, 2018
Aug 21, 2018
Term would have run to
Feb 1, 2030
Feb 1, 2030
base term
after the term ends
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. 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.
Its term would have run to Feb 1, 2030: its 20-year base term, with no 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 Feb 1, 2010, when application 12/698,086, the earliest non-provisional in its chain, was filed (this one was filed Jun 30, 2017) | Feb 1, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | 0 of 2 maintenance fees paid | lapsed Aug 21, 2022 | High confidence |
| Computed term end | The steps above, in order | Aug 21, 2022 | High confidence |
This family
| US 8,346,037 | Lapsed on the fee record Jan 2021 | Jan 2021 |
| US 8,768,120 | Lapsed on the fee record Jul 2026 | Jul 2026 |
| US 8,768,119 | Lapsed on the fee record Jul 2022 | Jul 2022 |
| US 9,335,481 | Lapsed on the fee record May 2024 | May 2024 |
| US 9,405,072 | Lapsed on the fee record Aug 2024 | Aug 2024 |
| US 9,726,836 | In force Feb 2030 | Feb 2030 |
| US 10,054,748 | this patent Aug 2022 | Aug 2022 |
| Application 16/046,720 | Abandoned 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 6, 2017 Reel 42927, frame 122 | Pezeshki, Bardia; Heanue, John | Kaiam Corp. | Assignment of Assignor's Interest |
| Jun 18, 2019 Reel 49506, frame 974 | Kaiam Corp. | Kaiam (Assignment for the Benefit of Creditors), LLC | Assignment of Assignor's Interest |
| Jun 18, 2019 Reel 49507, frame 19 | Kaiam (Assignment for the Benefit of Creditors), LLC | T&S Communications Co. Ltd. | 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.
Citations
2
later US patents cite this one
That is below 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.