Also listed on Avere Systems, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jul 11, 2028 · Medium confidence
20-year base term ends Jul 11, 2028
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 8,655,931), so the cap could be lower.
Filed Feb 7, 2014 as application 14/175,801 · Granted Aug 2, 2016
Base term plus 184 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2008
2028
Clock starts
Jul 11, 2008
Jul 11, 2008
Term ends
Jul 11, 2028
Jul 11, 2028
Granted
Aug 2, 2016
Aug 2, 2016
base term
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
184
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 8,655,931.
2 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.
18
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 184 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 2 of 2 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 11, 2008, when application 12/218,085, the earliest non-provisional in its chain, was filed (this one was filed Feb 7, 2014) | Jul 11, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +184 days, USPTO patent term adjustment record | Jan 11, 2029 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,655,931) | capped to Jul 11, 2028 | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 11, 2028 | Medium confidence |
This family
| US 8,214,404 | Lapsed on the fee record Jul 2020 | Jul 2020 |
| US 9,323,681 | Lapsed on the fee record Apr 2024 | Apr 2024 |
| Application PCT/US2009/003264 | PCT application no patent term | no patent term |
| Application PCT/US2009/004947 | PCT application no patent term | no patent term |
| US 9,342,528 | In force Jul 2031 | Jul 2031 |
| US 8,412,742 | Lapsed on the fee record Apr 2025 | Apr 2025 |
| US 9,170,953 | In force Sep 2028 | Sep 2028 |
| US 8,655,931 | Lapsed on the fee record Feb 2026 | Feb 2026 |
8 of 18 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 |
|---|---|---|---|
| Mar 8, 2018 Reel 45142, frame 828 | Kazar, Michael L. | Arriad, Inc. | Assignment of Assignor's Interest |
| Mar 8, 2018 Reel 45529, frame 248 | Arriad, Inc. | Avere Systems, Inc. | Change of Name |
| Jul 31, 2020 Reel 53373, frame 574 | Avere Systems, Inc. | Microsoft Technology Licensing, LLC | 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
Jul 2028
Term ends Jul 11, 2028. No further fees fall due before then
Note
The 184 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,655,931.
Citations
0
later US patents cite this one
That is below the median 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.