Term ends May 4, 2034 · High confidence
20-year base term ends Jun 29, 2033
Filed Jun 29, 2013 as application 13/931,813 · Granted Aug 23, 2016
Base term plus 309 days of patent term adjustment (USPTO delay)
Today
2013
2034
Clock starts
Jun 29, 2013
Jun 29, 2013
Term ends
May 4, 2034
May 4, 2034
Granted
Aug 23, 2016
Aug 23, 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
309
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.
2
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 309 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 29, 2013, when this application, 13/931,813, was filed | Jun 29, 2033 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +309 days, USPTO patent term adjustment record | May 4, 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 | May 4, 2034 | High confidence |
This family
| US 9,426,932 | this patent May 2034 | May 2034 |
| US 10,048,729 | In force Jun 2033 | Jun 2033 |
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 1, 2013 Reel 31318, frame 335 | Kinstle, Robert Michael, III; Schlichter, Kevin; Barron, Seitu | Silicon Graphics International Corp. | Assignment of Assignor's Interest |
| Mar 13, 2015 Reel 35200, frame 722 | Silicon Graphics International Corp. | Morgan Stanley Senior Funding, Inc. | Security Interest |
| Nov 2, 2016 Reel 40545, frame 362 | Morgan Stanley Senior Funding, Inc., as Agent | Silicon Graphics International Corp. | Release of Security Interest |
| Oct 4, 2017 Reel 44128, frame 149 | Silicon Graphics International Corp. | Hewlett Packard Enterprise Development LP | 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
May 2034
Term ends May 4, 2034. Maintenance fees still fall due before then
Note
The 309 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.