Lapsed Nov 28, 2025 on the fee record · High confidence
20-year base term ends Jun 26, 2029
Second maintenance fee unpaid; grace period ended.
Filed Jul 27, 2015 as application 14/810,302 · Granted Nov 28, 2017
Base term, 20 years from filing, plus 26 days of patent term adjustment (USPTO delay)
Today
Lapsed Nov 28, 2025
2009
2029
Clock starts
Jun 26, 2009
Jun 26, 2009
No longer in force
Nov 28, 2025
Nov 28, 2025
Granted
Nov 28, 2017
Nov 28, 2017
Term would have run to
Jul 22, 2029
Jul 22, 2029
base term
patent term adjustment
after the term ends
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
26
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.
25
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 Jul 22, 2029: its 20-year base term plus 26 days of term 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 Jun 26, 2009, when application 12/492,890, the earliest non-provisional in its chain, was filed (this one was filed Jul 27, 2015) | Jun 26, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +26 days, USPTO patent term adjustment record | Jul 22, 2029 | 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 | lapsed Nov 28, 2025 | High confidence |
| Computed term end | The steps above, in order | Nov 28, 2025 | High confidence |
This family
| US 8,914,511 | In force Jun 2031 | Jun 2031 |
| US 8,396,807 | In force May 2031 | May 2031 |
| US 8,661,131 | In force Jan 2032 | Jan 2032 |
| US 8,433,801 | In force Jun 2030 | Jun 2030 |
| US 8,762,531 | Lapsed on the fee record Jun 2026 | Jun 2026 |
| US 9,852,011 | In force May 2030 | May 2030 |
| US 9,830,566 | this patent Nov 2025 | Nov 2025 |
| US 9,888,067 | Surrendered on reissue no later than Aug 2021 | no later than Aug 2021 |
8 of 25 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 |
|---|---|---|---|
| Nov 30, 2015 Reel 37172, frame 137 | Dailianas, Apostolos; Nandavanam, Vivek; Sara, Endre; Florissi, Danilo; Kliger, Shmuel | Vmturbo, Inc. | Assignment of Assignor's Interest |
| Sep 22, 2016 Reel 40114, frame 91 | Vmturbo, Inc. | Turbonomic, Inc. | Change of Name |
| Aug 23, 2019 Reel 50156, frame 150 | Turbonomic, Inc. | Silicon Valley Bank | Intellectual Property Security Agreement |
| Aug 23, 2019 Reel 50156, frame 161 | Turbonomic, Inc. | Silicon Valley Bank, As Administrative Agent | Intellectual Property Security Agreement |
| Jul 5, 2022 Reel 60396, frame 411 | Silicon Valley Bank | Turbonomic, Inc. | Release of Security Interest |
| Dec 21, 2022 Reel 62202, frame 30 | Turbonomic, Inc. | International Business Machines Corporation | 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
Note
The 26 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
11
later US patents cite this one
That is above the median of utility patents granted in 2017 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.