Maintenance fees coming due

Formlabs Inc.

26 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 11, 2026. Unpaid by Jun 11, 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 10,316,213	Dual-Cure Resins and Related Methods Formlabs, Inc. In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends May 1, 2037 · High confidence	Formlabs, Inc.	In force	Dec 11, 2026	Jun 11, 2027	Term ends May 1, 2037	High confidence
US 11,679,561	Techniques for Contamination Detection in Additive Fabrication and Related Systems and Methods Formlabs, Inc. In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 Term ends Apr 9, 2041 · High confidence	Formlabs, Inc.	In force	Dec 20, 2026	Jun 21, 2027	Term ends Apr 9, 2041	High confidence
US 11,685,118	Techniques for Powder Delivery in Additive Fabrication and Related Systems and Methods Formlabs, Inc. In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Term ends May 21, 2041 · High confidence	Formlabs, Inc.	In force	Dec 27, 2026	Jun 28, 2027	Term ends May 21, 2041	High confidence
US 10,350,827	Position Detection Techniques for Additive Fabrication and Related Systems and Methods Formlabs, Inc. In force Fee due Jan 16, 2027 Lapses if unpaid Jul 16, 2027 Term ends Jun 27, 2037 · High confidence	Formlabs, Inc.	In force	Jan 16, 2027	Jul 16, 2027	Term ends Jun 27, 2037	High confidence
US 10,369,747	Systems and Methods for an Improved Peel Operation During Additive Fabrication Formlabs, Inc. In force Fee due Feb 6, 2027 Lapses if unpaid Aug 6, 2027 Ends no later than Jul 17, 2034 · Medium confidence	Formlabs, Inc.	In force	Feb 6, 2027	Aug 6, 2027	Ends no later than Jul 17, 2034	Medium confidence
US 11,745,392	Techniques for Casting from Additively Fabricated Molds and Related Systems and Methods Formlabs, Inc. In force Fee due Mar 5, 2027 Lapses if unpaid Sep 7, 2027 Term ends Aug 31, 2039 · High confidence	Formlabs, Inc.	In force	Mar 5, 2027	Sep 7, 2027	Term ends Aug 31, 2039	High confidence
US 11,745,424	Building Material Enclosure Comprising a Thermal Break Formlabs, Inc. In force Fee due Mar 5, 2027 Lapses if unpaid Sep 7, 2027 Term ends Jan 17, 2041 · High confidence	Formlabs, Inc.	In force	Mar 5, 2027	Sep 7, 2027	Term ends Jan 17, 2041	High confidence
US 10,414,073	Resin Container for Stereolithography Formlabs, Inc. In force Fee due Mar 17, 2027 Lapses if unpaid Sep 17, 2027 Ends no later than Jun 9, 2035 · Medium confidence	Formlabs, Inc.	In force	Mar 17, 2027	Sep 17, 2027	Ends no later than Jun 9, 2035	Medium confidence
US 11,801,646	Additive Fabrication Support Structures Formlabs, Inc. In force Fee due Apr 30, 2027 Lapses if unpaid Nov 1, 2027 Term ends Apr 4, 2034 · High confidence	Formlabs, Inc.	In force	Apr 30, 2027	Nov 1, 2027	Term ends Apr 4, 2034	High confidence
US 9,183,325	Additive Fabrication Support Structures Formlabs, Inc. In force Fee due May 10, 2027 Lapses if unpaid Nov 10, 2027 Term ends Apr 4, 2034 · High confidence	Formlabs, Inc.	In force	May 10, 2027	Nov 10, 2027	Term ends Apr 4, 2034	High confidence
16 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 26 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.