Maintenance fees coming due

First Solar, Inc.

51 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 19, 2026. Unpaid by May 19, 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 9,034,686	Manufacturing Methods for Semiconductor Devices First Solar, Inc. In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends Sep 4, 2032 · High confidence	First Solar, Inc.	In force	Nov 19, 2026	May 19, 2027	Term ends Sep 4, 2032	High confidence
US 9,054,241	Back Contact Electrodes for Cadmium Telluride Photovoltaic Cells First Solar, Inc. In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 Term ends Apr 22, 2030 · High confidence	First Solar, Inc.	In force	Dec 9, 2026	Jun 9, 2027	Term ends Apr 22, 2030	High confidence
US 9,054,245	Doping an Absorber Layer of a Photovoltaic Device via Diffusion from a Window Layer First Solar, Inc. In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 Term ends Jul 10, 2032 · High confidence	First Solar, Inc.	In force	Dec 9, 2026	Jun 9, 2027	Term ends Jul 10, 2032	High confidence
US 10,319,873	Photovoltaic Devices Including Doped Semiconductor Films First Solar, Inc. In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Sep 5, 2029 · High confidence	First Solar, Inc.	In force	Dec 11, 2026	Jun 11, 2027	Term ends Sep 5, 2029	High confidence
US 11,695,085	Photovoltaic Devices Including Nitrogen-Containing Metal Contact First Solar, Inc. In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 Term ends Dec 29, 2028 · High confidence	First Solar, Inc.	In force	Jan 4, 2027	Jul 6, 2027	Term ends Dec 29, 2028	High confidence
US 9,093,599	Vapor Deposition Apparatus for Continuous Deposition of Multiple Thin Film Layers on a Substrate First Solar, Inc. In force Fee due Jan 28, 2027 Lapses if unpaid Jul 28, 2027 Term ends Sep 4, 2033 · High confidence	First Solar, Inc.	In force	Jan 28, 2027	Jul 28, 2027	Term ends Sep 4, 2033	High confidence
US 10,367,110	Photovoltaic Devices and Method of Manufacturing First Solar, Inc. In force Fee due Jan 30, 2027 Lapses if unpaid Jul 30, 2027 Term ends Dec 8, 2036 · High confidence	First Solar, Inc.	In force	Jan 30, 2027	Jul 30, 2027	Term ends Dec 8, 2036	High confidence
US 9,099,838	System and Method for Laser Modulation First Solar, Inc. In force Fee due Feb 4, 2027 Lapses if unpaid Aug 4, 2027 Term ends Mar 5, 2032 · High confidence	First Solar, Inc.	In force	Feb 4, 2027	Aug 4, 2027	Term ends Mar 5, 2032	High confidence
US 9,105,802	Methods of Making Photovoltaic Devices First Solar, Inc. In force Fee due Feb 11, 2027 Lapses if unpaid Aug 11, 2027 Term ends Sep 26, 2031 · High confidence	First Solar, Inc.	In force	Feb 11, 2027	Aug 11, 2027	Term ends Sep 26, 2031	High confidence
US 9,117,956	Method of Controlling the Amount of Cu Doping When Forming a Back Contact of a Photovoltaic Cell First Solar, Inc. In force Fee due Feb 25, 2027 Lapses if unpaid Aug 25, 2027 Term ends Sep 24, 2032 · High confidence	First Solar, Inc.	In force	Feb 25, 2027	Aug 25, 2027	Term ends Sep 24, 2032	High confidence
41 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 51 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.