Term ends Mar 20, 2031 · High confidence
20-year base term ends May 13, 2029
Held by Fortinet, Inc.
Filed May 13, 2009 as application 12/465,537 · Granted Jan 1, 2013
Base term plus 676 days of patent term adjustment (USPTO delay)
Today
2009
2031
Clock starts
May 13, 2009
May 13, 2009
Term ends
Mar 20, 2031
Mar 20, 2031
Granted
Jan 1, 2013
Jan 1, 2013
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
676
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
24
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 676 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 May 13, 2009, when this application, 12/465,537, was filed | May 13, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +676 days, USPTO patent term adjustment record | Mar 20, 2031 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 20, 2031 | High confidence |
This family
| US 8,160,664 | In force Nov 2027 | Nov 2027 |
| Application 11/298,864 | Abandoned not computed | not computed |
| US 8,064,601 | In force Oct 2028 | Oct 2028 |
| US 7,826,426 | In force Aug 2027 | Aug 2027 |
| US 9,215,745 | Term ended Dec 2025 | Dec 2025 |
| US 8,103,311 | In force Nov 2027 | Nov 2027 |
| US 8,344,953 | this patent Mar 2031 | Mar 2031 |
| US 9,142,873 | Lapsed on the fee record Sep 2019 | Sep 2019 |
8 of 24 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 |
|---|---|---|---|
| Jun 14, 2012 Reel 28375, frame 126 | Meru Networks, Inc. | Venture Lending & Leasing VI, Inc. | Security Agreement |
| Jun 5, 2015 Reel 35841, frame 170 | Venture Lending & Leasing VI, Inc. | Meru Networks, Inc. | Release of Security Interest |
| Jul 8, 2015 Reel 36083, frame 264 | Opus Bank | Meru Networks, Inc. | Release of Security Interest |
| Apr 13, 2021 Reel 55908, frame 311 | Meru Networks, Inc. | Fortinet, Inc. | 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
Mar 2031
Term ends Mar 20, 2031. No further fees fall due before then
Note
The 676 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
12
later US patents cite this one
That is above the median of utility patents granted in 2013 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.