Maintenance fees coming due

Carbon, Inc.

54 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 27, 2026. Unpaid by Jun 28, 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 11,685,110	Reduction of Polymerization Inhibitor Irregularity on Additive Manufacturing Windows Carbon, Inc. In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Term ends Oct 24, 2038 · High confidence	Carbon, Inc.	In force	Dec 27, 2026	Jun 28, 2027	Term ends Oct 24, 2038	High confidence
US 11,685,117	Three-Dimensional Printing Methods for Reducing Bubbles by De-Gassing Through Build Plate Carbon, Inc. In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Term ends May 17, 2038 · High confidence	Carbon, Inc.	In force	Dec 27, 2026	Jun 28, 2027	Term ends May 17, 2038	High confidence
US 10,343,331	Wash Liquids for Use in Additive Manufacturing with Dual Cure Resins Carbon, Inc. In force Fee due Jan 9, 2027 Lapses if unpaid Jul 9, 2027 Term ends Jun 22, 2035 · High confidence	Carbon, Inc.	In force	Jan 9, 2027	Jul 9, 2027	Term ends Jun 22, 2035	High confidence
US 10,350,823	Dual Precursor Resin Systems for Additive Manufacturing with Dual Cure Resins Carbon, Inc In force Fee due Jan 16, 2027 Lapses if unpaid Jul 16, 2027 Term ends Dec 20, 2036 · High confidence	Carbon, Inc	In force	Jan 16, 2027	Jul 16, 2027	Term ends Dec 20, 2036	High confidence
US 11,701,451	Soft Tissue Filler and Methods Carbon Medical Technologies, Inc. In force Fee due Jan 18, 2027 Lapses if unpaid Jul 19, 2027 Term ends Mar 11, 2042 · High confidence	Carbon Medical Technologies, Inc.	In force	Jan 18, 2027	Jul 19, 2027	Term ends Mar 11, 2042	High confidence
US 11,707,893	Methods for Producing Three-Dimensional Objects with Apparatus Having Feed Channels Carbon, Inc. In force Fee due Jan 25, 2027 Lapses if unpaid Jul 26, 2027 Term ends Jun 22, 2035 · High confidence	Carbon, Inc.	In force	Jan 25, 2027	Jul 26, 2027	Term ends Jun 22, 2035	High confidence
US 11,713,367	Inhibition of Crystallization in Polyurethane Resins Carbon, Inc. In force Fee due Feb 1, 2027 Lapses if unpaid Aug 2, 2027 Term ends Dec 15, 2040 · High confidence	Carbon, Inc.	In force	Feb 1, 2027	Aug 2, 2027	Term ends Dec 15, 2040	High confidence
US 11,724,445	Resin Dispenser for Additive Manufacturing Carbon, Inc. In force Fee due Feb 15, 2027 Lapses if unpaid Aug 16, 2027 Term ends Jun 20, 2038 · High confidence	Carbon, Inc.	In force	Feb 15, 2027	Aug 16, 2027	Term ends Jun 20, 2038	High confidence
US 11,731,345	Systems and Methods for Resin Recovery in Additive Manufacturing Carbon, Inc. In force Fee due Feb 22, 2027 Lapses if unpaid Aug 23, 2027 Term ends Apr 22, 2039 · High confidence	Carbon, Inc.	In force	Feb 22, 2027	Aug 23, 2027	Term ends Apr 22, 2039	High confidence
US 10,391,711	Fabrication of Three Dimensional Objects with Multiple Operating Modes Carbon, Inc. In force Fee due Feb 27, 2027 Lapses if unpaid Aug 27, 2027 Term ends Aug 22, 2036 · High confidence	Carbon, Inc.	In force	Feb 27, 2027	Aug 27, 2027	Term ends Aug 22, 2036	High confidence
44 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro

10 of 54 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.