Maintenance fees coming due

Alcoa Inc.

11 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 30, 2026. Unpaid by Jun 30, 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 9,068,246	Decarbonization Process for Carbothermically Produced Aluminum Alcoa USA Corp. In force Fee due Dec 30, 2026 Lapses if unpaid Jun 30, 2027 Term ends Jan 29, 2031 · High confidence	Alcoa USA Corp.	In force	Dec 30, 2026	Jun 30, 2027	Term ends Jan 29, 2031	High confidence
US 11,697,151	7XX Aluminum Casting Alloys, and Methods for Making the Same Alcoa USA Corp. In force Fee due Jan 11, 2027 Lapses if unpaid Jul 12, 2027 Term ends Apr 12, 2036 · High confidence	Alcoa USA Corp.	In force	Jan 11, 2027	Jul 12, 2027	Term ends Apr 12, 2036	High confidence
US 10,351,484	Fertilizer Compositions and Methods of Making and Using the Same Alcoa USA Corp. In force Fee due Jan 16, 2027 Lapses if unpaid Jul 16, 2027 Term ends Dec 14, 2036 · High confidence	Alcoa USA Corp.	In force	Jan 16, 2027	Jul 16, 2027	Term ends Dec 14, 2036	High confidence
US 10,377,677	Fertilizer Compositions and Methods of Making and Using the Same Alcoa USA Corp. In force Fee due Feb 13, 2027 Lapses if unpaid Aug 13, 2027 Term ends Nov 12, 2034 · Medium confidence	Alcoa USA Corp.	In force	Feb 13, 2027	Aug 13, 2027	Term ends Nov 12, 2034	Medium confidence
US 9,121,104	Systems and Methods for Determining Alumina Properties Alcoa USA Corp. In force Fee due Mar 1, 2027 Lapses if unpaid Sep 1, 2027 Term ends Dec 21, 2033 · High confidence	Alcoa USA Corp.	In force	Mar 1, 2027	Sep 1, 2027	Term ends Dec 21, 2033	High confidence
US 10,407,786	Systems and Methods for Purifying Aluminum Alcoa USA Corp. In force Fee due Mar 10, 2027 Lapses if unpaid Sep 10, 2027 Term ends Oct 25, 2036 · High confidence	Alcoa USA Corp.	In force	Mar 10, 2027	Sep 10, 2027	Term ends Oct 25, 2036	High confidence
US 11,753,345	Systems and Methods for Making Ceramic Powders and Ceramic Products Alcoa USA Corp. In force Fee due Mar 12, 2027 Lapses if unpaid Sep 13, 2027 Term ends Jun 23, 2037 · High confidence	Alcoa USA Corp.	In force	Mar 12, 2027	Sep 13, 2027	Term ends Jun 23, 2037	High confidence
US 9,181,101	Recycle of Titanium Diboride Materials Alcoa USA Corp. In force Fee due May 10, 2027 Lapses if unpaid Nov 10, 2027 Term ends Dec 26, 2033 · High confidence	Alcoa USA Corp.	In force	May 10, 2027	Nov 10, 2027	Term ends Dec 26, 2033	High confidence
US 9,206,518	Aluminum Electrolysis Cell with Compression Device and Method Alcoa USA Corp. In force Fee due Jun 8, 2027 Lapses if unpaid Dec 8, 2027 Term ends Sep 11, 2032 · High confidence	Alcoa USA Corp.	In force	Jun 8, 2027	Dec 8, 2027	Term ends Sep 11, 2032	High confidence
US 9,249,487	Methods for Artificially Aging Aluminum-Zinc-Magnesium Alloys, and Products Based on the Same Alcoa USA Corp. In force Fee due Aug 2, 2027 Lapses if unpaid Feb 2, 2028 Term ends Apr 24, 2034 · High confidence	Alcoa USA Corp.	In force	Aug 2, 2027	Feb 2, 2028	Term ends Apr 24, 2034	High confidence
1 more maintenance fee coming due in the 12 months from Nov 15, 2026 · Pro

10 of 11 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.

Upgrade to Pro

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