Term ends Sep 4, 2029 · High confidence
20-year base term ends Sep 20, 2027
Held by Inventus Power, Inc.
Filed Sep 20, 2007 as application 11/858,791 · Granted Nov 9, 2010
Base term plus 715 days of patent term adjustment (USPTO delay)
Today
2007
2029
Clock starts
Sep 20, 2007
Sep 20, 2007
Term ends
Sep 4, 2029
Sep 4, 2029
Granted
Nov 9, 2010
Nov 9, 2010
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
715
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 715 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 20, 2007, when this application, 11/858,791, was filed | Sep 20, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +715 days, USPTO patent term adjustment record | Sep 4, 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 | Sep 4, 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 |
|---|---|---|---|
| Nov 1, 2007 Reel 20050, frame 944 | Ibrahim, Randolph A. | Electritek-Avt, Inc. | Assignment of Assignor's Interest |
| Feb 6, 2008 Reel 20471, frame 258 | Nexergy, Inc. | Roynat Merchant Capital, Inc. | Security Agreement |
| Oct 27, 2010 Reel 25204, frame 102 | Electritek-Avt, Inc. | Nexergy, Inc. | Merger |
| Nov 22, 2010 Reel 25411, frame 942 | ICC-Nexergy, Inc.; Elpac Electronics, Inc.; Elpac China Holdings, Inc.; Nexergy, Inc.; Nexergy Promark, LLC; Nexergy Tauber, LLC; Nexergy D.C., LLC | RBS Citizens, N.A., as Agent | Security Agreement |
| Nov 29, 2010 Reel 25424, frame 857 | Roynat Merchant Capital Inc. | Nexergy, Inc. | Release of Security Interest |
| Nov 17, 2011 Reel 27242, frame 244 | Nexergy, Inc. | ICC-Nexergy, Inc. | Merger |
| Mar 14, 2014 Reel 32437, frame 301 | ICC-Nexergy, Inc. | Gci Capital Markets LLC, as Administrative Agent | Security Interest |
| Mar 18, 2014 Reel 32467, frame 647 | RBS Citizens, N.A., as Agent | ICC-Nexergy, Inc.; Elpac Electronics, Inc.; Elpac China Holdings, Inc.; Nexergy, Inc.; Nexergy Promark, LLC; Nexergy Tauber, LLC; Nexergy D.C., LLC | Release of Security Interest |
| Mar 18, 2014 reel/frame not recorded | RBS Citizens, N.A., as Agent | ICC-Nexergy, Inc. | Release of Security Interest |
| Mar 18, 2014 reel/frame not recorded | RBS Citizens, N.A., as Agent | Elpac Electronics, Inc. | Release of Security Interest |
| Mar 18, 2014 reel/frame not recorded | RBS Citizens, N.A., as Agent | Elpac China Holdings, Inc. | Release of Security Interest |
| Mar 18, 2014 reel/frame not recorded | RBS Citizens, N.A., as Agent | Nexergy, Inc. | Release of Security Interest |
| Mar 18, 2014 reel/frame not recorded | RBS Citizens, N.A., as Agent | Nexergy Promark, LLC | Release of Security Interest |
| Mar 18, 2014 reel/frame not recorded | RBS Citizens, N.A., as Agent | Nexergy Tauber, LLC | Release of Security Interest |
| Mar 18, 2014 reel/frame not recorded | RBS Citizens, N.A., as Agent | Nexergy D.C., LLC | Release of Security Interest |
| May 1, 2019 Reel 49054, frame 204 | ICC-Nexergy, Inc. | Inventus Power, Inc. | Assignment of Assignor's Interest |
| Mar 29, 2021 Reel 55752, frame 312 | Inventus Power, Inc.; Palladium Energy Group, Inc.; Inventus Power (Illinois ) LLC; Inventus Power (Delaware), Inc. | Ally Bank | Patent Security Agreement |
| Mar 30, 2021 Reel 55773, frame 479 | Inventus Power, Inc.; Palladium Energy Inc.; Battery Lion Acquisition Corp. (Now Known as Palladium Energy Group, Inc.); Microsun Technologies, LLC (Now Known as Inventus Power (Illinois) LLC) | Pennantpark Loan Agency Servicing, LLC | Security Interest |
| Mar 31, 2021 Reel 55889, frame 950 | Golub Capital Markets LLC (F/K/A Gci Capital Markets LLC) | ICC-Nexergy, Inc. (N/K/A Inventus Power, Inc.); Nexergy, Inc. (N/K/A Inventus Power (Ohio), Inc.); Palladium Energy Group, Inc.; Palladium Energy, Inc. (N/K/A Inventus Power (Delaware), Inc.); Palladium Energy of Illinois LLC (N/K/A Inventus Power (Illinois) LLC) | Release of Security Interest in Intellectual Property Collateral |
| Mar 31, 2021 reel/frame not recorded | Golub Capital Markets LLC (F/K/A Gci Capital Markets LLC) | ICC-Nexergy, Inc. (N/K/A Inventus Power, Inc.) | Release of Security Interest in Intellectual Property Collateral |
| Mar 31, 2021 reel/frame not recorded | Golub Capital Markets LLC (F/K/A Gci Capital Markets LLC) | Nexergy, Inc. (N/K/A Inventus Power (Ohio), Inc.) | Release of Security Interest in Intellectual Property Collateral |
| Mar 31, 2021 reel/frame not recorded | Golub Capital Markets LLC (F/K/A Gci Capital Markets LLC) | Palladium Energy Group, Inc. | Release of Security Interest in Intellectual Property Collateral |
| Mar 31, 2021 reel/frame not recorded | Golub Capital Markets LLC (F/K/A Gci Capital Markets LLC) | Palladium Energy, Inc. (N/K/A Inventus Power (Delaware), Inc.) | Release of Security Interest in Intellectual Property Collateral |
| Mar 31, 2021 reel/frame not recorded | Golub Capital Markets LLC (F/K/A Gci Capital Markets LLC) | Palladium Energy of Illinois LLC (N/K/A Inventus Power (Illinois) LLC) | Release of Security Interest in Intellectual Property Collateral |
| Jun 30, 2023 Reel 64181, frame 615 | Inventus Power, Inc.; Inventus Power (Delaware), Inc. | Oaktree Fund Administration, LLC, as Administrative Agent | Security Interest |
| Jul 5, 2023 Reel 64158, frame 869 | Ally Bank, As Administrative Agent | Inventus Power, Inc.; Palladium Energy Group, Inc.; Inventus Power (Illinois) LLC; Inventus Power (Delaware), Inc. | Release of Security Interest |
| Jul 5, 2023 reel/frame not recorded | Ally Bank, As Administrative Agent | Inventus Power, Inc. | Release of Security Interest |
| Jul 5, 2023 reel/frame not recorded | Ally Bank, As Administrative Agent | Palladium Energy Group, Inc. | Release of Security Interest |
| Jul 5, 2023 reel/frame not recorded | Ally Bank, As Administrative Agent | Inventus Power (Illinois) LLC | Release of Security Interest |
| Jul 5, 2023 reel/frame not recorded | Ally Bank, As Administrative Agent | Inventus Power (Delaware), Inc. | Release of Security Interest |
| Jul 11, 2023 Reel 64209, frame 710 | Pennantpark Loan Agency Servicing, LLC | Inventus Power, Inc.; Palladium Energy Inc. (Now Known as Inventus Power (Delaware), Inc.); Battery Lion Acquisition Corp. (Now Known as Palladium Energy Group, Inc.; Microsun Technologies, LLC (Now Known as Inventus Power (Illinois) LLC) | Release of Security Interest |
| Jul 11, 2023 reel/frame not recorded | Pennantpark Loan Agency Servicing, LLC | Inventus Power, Inc. | Release of Security Interest |
| Jul 11, 2023 reel/frame not recorded | Pennantpark Loan Agency Servicing, LLC | Palladium Energy Inc. (Now Known as Inventus Power (Delaware), Inc.) | Release of Security Interest |
| Jul 11, 2023 reel/frame not recorded | Pennantpark Loan Agency Servicing, LLC | Battery Lion Acquisition Corp. (Now Known as Palladium Energy Group, Inc. | Release of Security Interest |
| Jul 11, 2023 reel/frame not recorded | Pennantpark Loan Agency Servicing, LLC | Microsun Technologies, LLC (Now Known as Inventus Power (Illinois) LLC) | Release of Security Interest |
| Apr 15, 2026 Reel 75416, frame 604 | Inventus Power, Inc.; Inventus Power (Delaware), Inc. | Oaktree Fund Administration, LLC, as Administrative Agent and Collateral Agent | Security Interest |
| May 4, 2026 Reel 75496, frame 33 | Oaktree Fund Administration, LLC, as Administrative Agent | Inventus Power, Inc.; Inventus Power (Delaware), Inc. | Release of Security Interest |
| May 4, 2026 reel/frame not recorded | Oaktree Fund Administration, LLC, as Administrative Agent | Inventus Power, Inc. | Release of Security Interest |
| May 4, 2026 reel/frame not recorded | Oaktree Fund Administration, LLC, as Administrative Agent | Inventus Power (Delaware), 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
Sep 2029
Term ends Sep 4, 2029. No further fees fall due before then
Note
The 715 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
19
later US patents cite this one
That is above the median of utility patents granted in 2010 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.