Term ends Sep 8, 2031 · High confidence
20-year base term ends Oct 6, 2029
Held by 3-D Matrix, Ltd.
Filed Apr 6, 2011 as application 13/122,758 · Granted Mar 3, 2020
Base term plus 702 days of patent term adjustment (USPTO delay)
Today
2009
2031
Clock starts
Oct 6, 2009
Oct 6, 2009
Term ends
Sep 8, 2031
Sep 8, 2031
Granted
Mar 3, 2020
Mar 3, 2020
base term
patent term adjustment
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
702
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 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.
6
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 702 days past its 20-year base term on prosecution delay. 1 of 2 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 Oct 6, 2009, when application PCT/JP2009/067367, the earliest non-provisional in its chain, was filed (this one was filed Apr 6, 2011) | Oct 6, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +702 days, USPTO patent term adjustment record | Sep 8, 2031 | 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 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 8, 2031 | High confidence |
This family
| US 10,576,123 | this patent Sep 2031 | Sep 2031 |
| US 10,596,225 | In force Nov 2031 | Nov 2031 |
| Application 16/743,682 | Abandoned not computed | not computed |
| US 11,801,281 | In force Oct 2029 | Oct 2029 |
| Application 18/367,908 | Pending not computed | not computed |
5 of 6 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 7, 2011 Reel 26092, frame 622 | Takamura, Kentaro; Gojo, Satoshi; Kobayashi, Satoru | 3-D Matrix, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Sep 2031
Term ends Sep 8, 2031. Maintenance fees still fall due before then
Note
The 702 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
33
later US patents cite this one
That is top 10% of utility patents granted in 2020 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.