Also listed on Tippingpoint Technologies, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jan 1, 2029 · High confidence
20-year base term ends Jul 25, 2027
Held by Trend Micro Incorporated
Filed Jul 25, 2007 as application 11/782,840 · Granted Sep 4, 2012
Base term plus 526 days of patent term adjustment (USPTO delay)
Today
2007
2029
Clock starts
Jul 25, 2007
Jul 25, 2007
Term ends
Jan 1, 2029
Jan 1, 2029
Granted
Sep 4, 2012
Sep 4, 2012
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
526
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.
This patent's term runs 526 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 Jul 25, 2007, when this application, 11/782,840, was filed | Jul 25, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +526 days, USPTO patent term adjustment record | Jan 1, 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 1, 2029 | High confidence |
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 |
|---|---|---|---|
| Jul 25, 2007 Reel 19599, frame 101 | Stellenberg, Gerald S.; Smith, Brian C.; Rolette, James M. | 3COM Corporation | Assignment of Assignor's Interest |
| May 29, 2008 Reel 21023, frame 837 | 3COM Corporation | Tippingpoint Technologies, Inc. | Assignment of Assignor's Interest |
| Jul 6, 2010 Reel 24630, frame 820 | 3COM Corporation | Hewlett-Packard Company | Merger |
| Jul 15, 2010 Reel 25039, frame 844 | 3COM Corporation | Hewlett-Packard Company | Corrective Assignment to Correct the See Attached |
| Jul 30, 2010 Reel 24755, frame 973 | Tippingpoint Technologies, Inc. | Hewlett-packard Development Company, L.p. | Assignment of Assignor's Interest |
| Oct 28, 2015 Reel 36987, frame 1 | Hewlett-packard Development Company, L.p. | Hewlett Packard Enterprise Development LP; Hewlett Packard Enterprise Development LP | Assignment of Assignor's Interest |
| Oct 28, 2015 reel/frame not recorded | Hewlett-packard Development Company, L.p. | Hewlett Packard Enterprise Development LP | Assignment of Assignor's Interest |
| Nov 9, 2015 Reel 37079, frame 1 | Hewlett-packard Development Company, L.p. | Hewlett Packard Enterprise Development LP | Assignment of Assignor's Interest |
| Jul 20, 2016 Reel 39203, frame 47 | Hewlett Packard Enterprise Development LP | Trend Micro Incorporated | Assignment of Assignor's Interest |
| Aug 23, 2016 Reel 39512, frame 945 | Trend Micro Incorporated | Trend Micro Incorporated | 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
Jan 2029
Term ends Jan 1, 2029. No further fees fall due before then
Note
The 526 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
51
later US patents cite this one
That is top 25% of utility patents granted in 2012 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.