Collateral for a security interest recorded Jul 31, 2026 (Guggenheim Credit Services, LLC).

Term ends Feb 15, 2033 · High confidence

Computed 20-year base term

Held by Lumenpulse Group Inc.

Filed Sep 26, 2014 as application 14/498,456 · Granted Jul 18, 2017

Base term, 20 years from filing

Today

20 years from filing

Term ends Feb 15, 2033

2013 2033

Clock starts
Feb 15, 2013

Term ends
Feb 15, 2033

Granted
Jul 18, 2017

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.

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 Feb 15, 2013, when application 13/768,805, the earliest non-provisional in its chain, was filed (this one was filed Sep 26, 2014)	Feb 15, 2033	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	Feb 15, 2033	High confidence

This family

US 9,253,852	In force Feb 2033	Feb 2033
US 9,713,227	this patent Feb 2033	Feb 2033
US 9,326,358	In force Feb 2033	Feb 2033

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, 2015 Reel 37314, frame 372	Campbell, Gregory; Hamel, Yvan; Racine, Philippe; Franzosa, Paul; Anderson, James William; Shea, Casey	Lumenpulse Lighting Inc.	Assignment of Assignor's Interest
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
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 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

Feb 2033

Term ends Feb 15, 2033. Maintenance fees still fall due before then

Citations

later US patents cite this one

That is above the median of utility patents granted in 2017 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.

LED Lighting Systems