Term ends Dec 16, 2029 · High confidence
20-year base term ends Dec 16, 2029
Held by Siemens Industry, Inc.
Filed Mar 8, 2014 as application 14/201,821 · Granted Jul 7, 2015
Base term, 20 years from filing
Today
2009
2029
Clock starts
Dec 16, 2009
Dec 16, 2009
Term ends
Dec 16, 2029
Dec 16, 2029
Granted
Jul 7, 2015
Jul 7, 2015
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
None
Term adjustment
No prosecution delay on this record.
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.
6
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 is its 20-year base term, with no adjustment for prosecution delay. 2 of 3 maintenance fees are paid so far. 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 Dec 16, 2009, when application 12/639,303, the earliest non-provisional in its chain, was filed (this one was filed Mar 8, 2014) | Dec 16, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | Dec 16, 2029 | High confidence |
This family
| US 8,344,660 | In force Nov 2030 | Nov 2030 |
| US 9,006,996 | In force Dec 2030 | Dec 2030 |
| US 8,604,714 | In force Dec 2029 | Dec 2029 |
| Application 61/789,839 | Provisional application no patent term | no patent term |
| Application PCT/US2013/048985 | PCT application no patent term | no patent term |
| US 9,078,305 | this patent Dec 2029 | Dec 2029 |
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, 2014 Reel 32386, frame 474 | Pelton, Bruce; Mohan, Tanuj | Enlighted, Inc. | Assignment of Assignor's Interest |
| Feb 1, 2016 Reel 37631, frame 651 | Enlighted, Inc. | Pacific Western Bank | Security Interest |
| Oct 21, 2021 Reel 57883, frame 238 | Enlighted, Inc. | Building Robotics, Inc. | Merger |
| Oct 22, 2025 Reel 73156, frame 424 | Building Robotics, Inc. | Siemens Industry, Inc. | Merger |
| Feb 10, 2026 Reel 74526, frame 856 | Pacific Western Bank | Enlighted, Inc. | Release of Security 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
Dec 2029
Term ends Dec 16, 2029. Maintenance fees still fall due before then
Citations
14
later US patents cite this one
That is above the median 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.