Maintenance fees coming due

Lightmatter, Inc.

17 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 6, 2026. Unpaid by Jun 7, 2027, that one lapses early.

A maintenance fee does not end a patent on its due date. It falls due at 3.5, 7.5 and 11.5 years from grant, and the patent lapses only if the fee is still unpaid at the end of the six month grace period that follows.

Patent	Title	Holder	Status	Fee due	Lapses if unpaid	Expires	Confidence
US 11,671,182	Systems and Methods for Analog Computing Using a Linear Photonic Processor Lightmatter, Inc. In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Jul 28, 2040 · High confidence	Lightmatter, Inc.	In force	Dec 6, 2026	Jun 7, 2027	Term ends Jul 28, 2040	High confidence
US 11,686,902	Photonics Stabilization Circuitry Lightmatter, Inc. In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Ends no later than Jul 1, 2040 · Medium confidence	Lightmatter, Inc.	In force	Dec 27, 2026	Jun 28, 2027	Ends no later than Jul 1, 2040	Medium confidence
US 11,695,378	Optical Differential Low-Noise Receivers and Related Methods Lightmatter, Inc. In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 Ends no later than May 14, 2039 · Medium confidence	Lightmatter, Inc.	In force	Jan 4, 2027	Jul 6, 2027	Ends no later than May 14, 2039	Medium confidence
US 11,700,078	Systems and Methods for Utilizing Photonic Degrees of Freedom in a Photonic Processor Lightmatter, Inc. In force Fee due Jan 11, 2027 Lapses if unpaid Jul 12, 2027 Term ends Jul 23, 2041 · High confidence	Lightmatter, Inc.	In force	Jan 11, 2027	Jul 12, 2027	Term ends Jul 23, 2041	High confidence
US 11,709,520	Path-Number-Balanced Universal Photonic Network Lightmatter, Inc. In force Fee due Jan 25, 2027 Lapses if unpaid Jul 26, 2027 Term ends May 19, 2040 · High confidence	Lightmatter, Inc.	In force	Jan 25, 2027	Jul 26, 2027	Term ends May 19, 2040	High confidence
US 11,754,783	Photonic Communication Platform Lightmatter, Inc. In force Fee due Mar 12, 2027 Lapses if unpaid Sep 13, 2027 Term ends Oct 1, 2040 · High confidence	Lightmatter, Inc.	In force	Mar 12, 2027	Sep 13, 2027	Term ends Oct 1, 2040	High confidence
US 11,768,662	Linear Photonic Processors and Related Methods Lightmatter, Inc. In force Fee due Mar 26, 2027 Lapses if unpaid Sep 27, 2027 Term ends Nov 23, 2040 · High confidence	Lightmatter, Inc.	In force	Mar 26, 2027	Sep 27, 2027	Term ends Nov 23, 2040	High confidence
US 11,775,779	Hybrid Analog-Digital Matrix Processors Lightmatter, Inc. In force Fee due Apr 3, 2027 Lapses if unpaid Oct 4, 2027 Ends no later than Feb 26, 2040 · Medium confidence	Lightmatter, Inc.	In force	Apr 3, 2027	Oct 4, 2027	Ends no later than Feb 26, 2040	Medium confidence
US 11,836,466	Residue Number System in a Photonic Matrix Accelerator Lightmatter, Inc. In force Fee due Jun 5, 2027 Lapses if unpaid Dec 6, 2027 Term ends Dec 6, 2041 · High confidence	Lightmatter, Inc.	In force	Jun 5, 2027	Dec 6, 2027	Term ends Dec 6, 2041	High confidence
US 11,860,413	Photonic Communication Platform Lightmatter, Inc. In force Fee due Jul 2, 2027 Lapses if unpaid Jan 3, 2028 Term ends Mar 5, 2040 · Medium confidence	Lightmatter, Inc.	In force	Jul 2, 2027	Jan 3, 2028	Term ends Mar 5, 2040	Medium confidence
7 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 17 patents shown. Soonest fee due date first, then patent number.

Pro members see every patent with a maintenance fee coming due: number, title, status, the due date, and the date it lapses if the fee goes unpaid through the grace period.

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Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.