Also listed on Power Analytics Corporation, an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Oct 25, 2024 (PNC Bank, National Association).
Term ends May 25, 2031 · High confidence
20-year base term ends Sep 30, 2030
Held by Bentley Systems, Incorporated
Filed Sep 30, 2010 as application 12/895,586 · Granted Nov 27, 2012
Base term plus 237 days of patent term adjustment (USPTO delay)
Today
2010
2031
Clock starts
Sep 30, 2010
Sep 30, 2010
Term ends
May 25, 2031
May 25, 2031
Granted
Nov 27, 2012
Nov 27, 2012
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
237
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.
2
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 237 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 Sep 30, 2010, when this application, 12/895,586, was filed | Sep 30, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +237 days, USPTO patent term adjustment record | May 25, 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 | May 25, 2031 | High confidence |
This family
| US 8,321,194 | this patent May 2031 | May 2031 |
| Application PCT/US2010/051213 | PCT application no patent term | no patent term |
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 |
|---|---|---|---|
| Dec 17, 2010 Reel 25520, frame 781 | Meagher, Kevin; Loiselle, David; Koopman, Rodger | Edsa Micro Corporation | Assignment of Assignor's Interest |
| Feb 1, 2012 Reel 27631, frame 329 | Edsa Micro Corporation | DP Three LLC | Security Agreement |
| Feb 1, 2012 Reel 27649, frame 941 | Edsa Micro Corporation | Power Analytics Corporation | Change of Name |
| Aug 27, 2014 Reel 33645, frame 715 | DP Three LLC | Power Analytics Corporation | Release of Security Interest |
| Sep 21, 2016 Reel 39820, frame 257 | Power Analytics Corporation | Pacific Western Bank | Security Interest |
| Jul 28, 2017 Reel 43133, frame 976 | Pacific Western Bank | Power Analytics Corporation | Release of Security Interest |
| May 30, 2019 Reel 49321, frame 60 | Power Analytics Corporation | Wavetech Global Inc. | Assignment of Assignor's Interest |
| Aug 31, 2021 Reel 57347, frame 629 | Wavetech Global, Inc. | Power Analytics Global Corporation | Assignment of Assignor's Interest |
| Sep 1, 2021 Reel 57356, frame 56 | Power Analytics Global Corporation | Easypower, LLC | Assignment of Assignor's Interest |
| Mar 2, 2023 Reel 62861, frame 494 | Easypower, LLC | Bentley Systems, Incorporated | Assignment of Assignor's Interest |
| Oct 25, 2024 Reel 69268, frame 42 | Bentley Systems, Incorporated | Pnc Bank, National Association | 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.
What's changing
May 2031
Term ends May 25, 2031. No further fees fall due before then
Note
The 237 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
97
later US patents cite this one
That is top 10% 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.