Term ends Nov 30, 2033 · Medium confidence
20-year base term ends Jul 6, 2031
Why Medium: A parent in the chain could not be resolved.
Held by Vmware LLC
Filed Aug 25, 2011 as application 13/218,427 · Granted Aug 11, 2015
Base term plus 878 days of patent term adjustment (USPTO delay)
Today
2011
2033
Clock starts
Jul 6, 2011
Jul 6, 2011
Term ends
Nov 30, 2033
Nov 30, 2033
Granted
Aug 11, 2015
Aug 11, 2015
base term
patent term adjustment
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
878
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.
46
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 878 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. Confidence: Medium. 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 Jul 6, 2011, when applications 13/177,529, 13/177,536 and 13/177,538, the earliest non-provisional applications in its chain, were filed (this one was filed Aug 25, 2011); a parent in its chain could not be resolved (the next row) | Jul 6, 2031 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +878 days, USPTO patent term adjustment record | Nov 30, 2033 | 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 | Nov 30, 2033 | Medium confidence |
This family
| US 8,750,164 | Lapsed on the fee record Jun 2026 | Jun 2026 |
| US 8,959,215 | In force Nov 2032 | Nov 2032 |
| US 8,830,823 | Lapsed on the fee record Sep 2026 | Sep 2026 |
| US 8,817,620 | In force no later than Dec 2031 | no later than Dec 2031 |
| US 8,743,889 | In force Aug 2031 | Aug 2031 |
| US 8,743,888 | In force no later than Nov 2031 | no later than Nov 2031 |
| US 9,106,587 | this patent Nov 2033 | Nov 2033 |
| US 9,172,663 | In force May 2034 | May 2034 |
8 of 46 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 3, 2012 Reel 27980, frame 525 | Koponen, Teemu; Casado, Martin; Stribling, Jeremy; Gude, Natasha; Lambeth, W. Andrew | Nicira Networks, Inc. | Assignment of Assignor's Interest |
| Jun 15, 2012 Reel 28381, frame 48 | Nicira Networks, Inc. | Nicira, Inc. | Change of Name |
| Jan 27, 2025 Reel 70187, frame 487 | Nicira, Inc. | Vmware LLC | Merger |
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
Nov 2033
Term ends Nov 30, 2033. Maintenance fees still fall due before then
Note
The 878 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
76
later US patents cite this one
That is top 10% of utility patents granted in 2015 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.