Also listed on Atoptech, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 26, 2030 · High confidence
20-year base term ends Aug 30, 2030
Held by Siemens Industry Software Inc.
Filed Aug 30, 2010 as application 12/871,734 · Granted Oct 22, 2013
Base term plus 88 days of patent term adjustment (USPTO delay)
Today
2010
2030
Clock starts
Aug 30, 2010
Aug 30, 2010
Term ends
Nov 26, 2030
Nov 26, 2030
Granted
Oct 22, 2013
Oct 22, 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
88
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.
4
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 88 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 Aug 30, 2010, when this application, 12/871,734, was filed | Aug 30, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +88 days, USPTO patent term adjustment record | Nov 26, 2030 | 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 | Nov 26, 2030 | High confidence |
This family
| US 8,566,765 | this patent Nov 2030 | Nov 2030 |
| US 8,793,633 | In force Aug 2030 | Aug 2030 |
| US 9,536,036 | In force Aug 2030 | Aug 2030 |
| US 9,177,090 | In force Aug 2030 | Aug 2030 |
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 |
|---|---|---|---|
| Oct 12, 2010 Reel 25128, frame 272 | Tzeng, Ping-san | Atoptech, Inc. | Assignment of Assignor's Interest |
| Jun 19, 2017 Reel 42751, frame 437 | Atoptech, Inc. | Avatar Integrated Systems, Inc. | Assignment of Assignor's Interest |
| Jul 16, 2020 Reel 53224, frame 268 | Avatar Integrated Systems, Inc. | Mentor Graphics Corporation | Security Interest |
| Aug 21, 2020 Reel 53558, frame 632 | Mentor Graphics Corporation | Avatar Integrated Systems, Inc. | Release of Security Interest |
| Dec 2, 2020 Reel 54514, frame 76 | Avatar Integrated Systems, Inc.; Siemens Industry Software Inc. | Siemens Industry Software Inc. | Merger and Change of Name |
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 2030
Term ends Nov 26, 2030. No further fees fall due before then
Note
The 88 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
8
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.