Also listed on Lumenpulse Lighting Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Jul 31, 2026 (Guggenheim Credit Services, LLC).
Term ends Jul 15, 2031 · Medium confidence
20-year base term ends Jul 15, 2031
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 8,759,999), so the cap could be lower.
Held by Lumenpulse Group Inc.
Filed Apr 1, 2015 as application 14/675,905 · Granted Apr 5, 2016
Base term, 20 years from filing
Today
2011
2031
Clock starts
Jul 15, 2011
Jul 15, 2011
Term ends
Jul 15, 2031
Jul 15, 2031
Granted
Apr 5, 2016
Apr 5, 2016
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,410,630, US 8,759,999, US 9,024,464, US 9,307,619, to Jul 15, 2031. The term already ends on or before that date, so the cap shortened nothing.
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.
8
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 2 of 3 maintenance fees are paid so far. Confidence: Medium. 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 15, 2011, when application PCT/US2011/044159, the earliest non-provisional in its chain, was filed (this one was filed Apr 1, 2015) | Jul 15, 2031 | 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 | Disclaimer resolved from the filed document (refs US 8,410,630, US 8,759,999, US 9,024,464, US 9,307,619) | resolves to Jul 15, 2031, no earlier than this term, so no change | Medium 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 | Jul 15, 2031 | Medium confidence |
This family
| Application PCT/US2011/044159 | PCT application no patent term | no patent term |
| US 8,410,630 | In force Jul 2031 | Jul 2031 |
| Application PCT/US2012/069321 | PCT application no patent term | no patent term |
| US 8,759,999 | In force no later than Jul 2031 | no later than Jul 2031 |
| US 9,024,464 | In force Jul 2031 | Jul 2031 |
| US 9,307,619 | this patent Jul 2031 | Jul 2031 |
| US 9,622,329 | In force Jul 2031 | Jul 2031 |
| US 10,462,879 | In force Jul 2031 | Jul 2031 |
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 10, 2016 Reel 38061, frame 562 | Lumenpulse Lighting Inc. | National Bank of Canada | Security Interest |
| Jun 22, 2017 Reel 42952, frame 853 | National Bank of Canada | Lumenpulse Lighting Inc. | Release of Security Interest |
| Jul 12, 2017 Reel 43164, frame 186 | Lumenpulse Inc.; 10191051 Canada Inc. | Lumenpulse Group Inc. | Amalgamation |
| Jul 12, 2017 Reel 43167, frame 715 | Lumenpulse Inc.; Eclairage Lumenpulse Inc.; Lumenpulse Lighting Inc. | Lumenpulse Inc. | Amalgamation |
| Sep 11, 2017 Reel 43812, frame 491 | Lumenpulse Group Inc. | National Bank of Canada, as Secured Party | Security Interest (SENIOR) |
| Sep 11, 2017 Reel 43814, frame 235 | Lumenpulse Group Inc. | National Bank of Canada, as Collateral Agent | Security Interest (SUBORDINATED) |
| May 12, 2021 Reel 56273, frame 473 | Lumenpulse Group Inc. | LMPG Inc. | Certificate of Amendment |
| Nov 3, 2021 Reel 59222, frame 154 | Lumenpulse Lighting Inc. | National Bank of Canada | Corrective Assignment to Correct the Recording Error of Security Agreement Against Serial Nos. 13521292; 13/521293; 13/521296; 13/521297; 13/521298; 13/521289 Previously Recorded on Reel 038061 Frame 0562. Assignor(S) Hereby Confirms the Security Agreement. |
| Dec 3, 2021 Reel 58300, frame 601 | LMPG Inc. | National Bank of Canada | Security Interest |
| Jun 16, 2023 Reel 64009, frame 205 | LMPG Inc.; Lumenpulse Lighting Corp.; Sternberg Lanterns, Inc.; Architectural LW Holdings, LLC; Palo Alto Lighting, LLC; Lumca Inc. | Roynat Capital Inc. | Security Interest |
| May 15, 2026 Reel 74673, frame 107 | Campbell, Gregory | Lumenpulse Lighting Inc. | Assignment of Assignor's Interest |
| Jul 31, 2026 Reel 76103, frame 641 | LMPG Inc.; Lumca Inc. | Guggenheim Credit Services, LLC | Security Interest |
| Aug 12, 2026 Reel 76189, frame 922 | Roynat Capital Inc., as Agent | LMPG Corp. (Formerly Known as Lumenpulse Lightingcorp.); Architectural LW Holdings, LLC; Palo Alto Lighting, LLC; Lumca Inc.; LMPG Inc. | Release of Security Interest |
| Aug 12, 2026 reel/frame not recorded | Roynat Capital Inc., as Agent | LMPG Corp. (Formerly Known as Lumenpulse Lightingcorp.) | Release of Security Interest |
| Aug 12, 2026 reel/frame not recorded | Roynat Capital Inc., as Agent | Architectural LW Holdings, LLC | Release of Security Interest |
| Aug 12, 2026 reel/frame not recorded | Roynat Capital Inc., as Agent | Palo Alto Lighting, LLC | Release of Security Interest |
| Aug 12, 2026 reel/frame not recorded | Roynat Capital Inc., as Agent | Lumca Inc. | Release of Security Interest |
| Aug 12, 2026 reel/frame not recorded | Roynat Capital Inc., as Agent | LMPG Inc. | Release of Security Interest |
| Aug 27, 2026 Reel 75805, frame 175 | National Bank of Canada, as Agent | LMPG Inc. (FKA Fluxwerx Illumination Inc. and Lumenpulse Group Inc.) | Release of Security Interest |
| Aug 27, 2026 Reel 76316, frame 910 | National Bank of Canada, as Administrative Agent | LMPG Inc. | Release of Security Interest |
| Aug 27, 2026 Reel 76331, frame 677 | National Bank of Canada, as Administrative Agent | LMPG Inc. (Successor in Interest to Each of Lumenpulse Group Inc. and Fluxwerx Illumination 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
Jul 2031
Term ends Jul 15, 2031. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,410,630, US 8,759,999, US 9,024,464, US 9,307,619, ends no earlier than this term, so it caps nothing.
Citations
11
later US patents cite this one
That is above the median of utility patents granted in 2016 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.