Term ends Apr 13, 2034 · High confidence
20-year base term ends Nov 8, 2031
Held by The Mathworks, Inc.
Filed Oct 15, 2012 as application 13/652,174 · Granted May 31, 2016
Base term plus 887 days of patent term adjustment (USPTO delay)
Today
2011
2034
Clock starts
Nov 8, 2011
Nov 8, 2011
Term ends
Apr 13, 2034
Apr 13, 2034
Granted
May 31, 2016
May 31, 2016
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
887
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.
10
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 887 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 Nov 8, 2011, when applications 13/291,899 and 13/291,907, the earliest non-provisional applications in its chain, were filed (this one was filed Oct 15, 2012) | Nov 8, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +887 days, USPTO patent term adjustment record | Apr 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 | Apr 13, 2034 | High confidence |
This family
| US 8,914,262 | In force Jul 2032 | Jul 2032 |
| US 8,935,137 | In force Aug 2032 | Aug 2032 |
| US 9,354,846 | this patent Apr 2034 | Apr 2034 |
| Application 13/652,186 | Abandoned not computed | not computed |
| Application 13/652,180 | Abandoned not computed | not computed |
| Application PCT/US2012/063223 | PCT application no patent term | no patent term |
| US 9,377,998 | In force Jul 2033 | Jul 2033 |
| US 9,207,912 | In force Nov 2031 | Nov 2031 |
8 of 10 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 |
|---|---|---|---|
| Oct 15, 2012 Reel 29131, frame 545 | Zhang, Fu; Han, Zhi; Yeddanapudi, Murali K.; Mosterman, Pieter J. | The Mathworks, Inc. | 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
Apr 2034
Term ends Apr 13, 2034. Maintenance fees still fall due before then
Note
The 887 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 25% of utility patents granted in 2016 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.