Maintenance fees coming due

Dow Global Technologies LLC

514 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Nov 16, 2026. Unpaid by May 17, 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 11,649,302	Magnesium Halide-Supported Titanium (PRO)CATALYSTS Dow Global Technologies LLC In force Fee due Nov 16, 2026 Lapses if unpaid May 17, 2027 Term ends Sep 21, 2037 · High confidence	Dow Global Technologies LLC	In force	Nov 16, 2026	May 17, 2027	Term ends Sep 21, 2037	High confidence
US 9,034,936	Flame Retardant Polyurethane Foams Containing Biuret Linkages Dow Global Technologies LLC. In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends Jan 17, 2032 · High confidence	Dow Global Technologies LLC.	In force	Nov 19, 2026	May 19, 2027	Term ends Jan 17, 2032	High confidence
US 10,294,203	Organic Compound and Electronic Device Comprising an Organic Layer Comprising the Organic Compound Dow Global Technologies LLC In force Fee due Nov 21, 2026 Lapses if unpaid May 21, 2027 Term ends Nov 11, 2035 · High confidence	Dow Global Technologies LLC	In force	Nov 21, 2026	May 21, 2027	Term ends Nov 11, 2035	High confidence
US 11,655,091	Flexible Container with Tether Dow Global Technologies LLC In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 Term ends May 28, 2040 · High confidence	Dow Global Technologies LLC	In force	Nov 23, 2026	May 24, 2027	Term ends May 28, 2040	High confidence
US 10,300,623	Treated Porous Material Dow Global Technologies LLC In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Jul 7, 2035 · High confidence	Dow Global Technologies LLC	In force	Nov 28, 2026	May 28, 2027	Term ends Jul 7, 2035	High confidence
US 11,659,938	Coated Open-Cell Polyurethane Foam Structures with Thermal Absorption Capabilities Dow Global Technologies LLC In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Aug 21, 2039 · High confidence	Dow Global Technologies LLC	In force	Nov 30, 2026	Jun 1, 2027	Term ends Aug 21, 2039	High confidence
US 11,661,238	Coated Container Device, Method of Making the Same Dow Global Technologies LLC In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Jul 23, 2030 · High confidence	Dow Global Technologies LLC	In force	Nov 30, 2026	Jun 1, 2027	Term ends Jul 23, 2030	High confidence
US 11,661,488	Article Comprising a Flame Retardant Polymeric Foam Dow Global Technologies LLC In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Mar 16, 2037 · High confidence	Dow Global Technologies LLC	In force	Nov 30, 2026	Jun 1, 2027	Term ends Mar 16, 2037	High confidence
US 11,662,283	System for Tensile Testing Films Dow Global Technologies LLC In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Aug 31, 2039 · High confidence	Dow Global Technologies LLC	In force	Nov 30, 2026	Jun 1, 2027	Term ends Aug 31, 2039	High confidence
US 9,045,395	Process for the Production of Aliphatic Isocyanates Dow Global Technologies LLC In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends May 7, 2030 · High confidence	Dow Global Technologies LLC	In force	Dec 2, 2026	Jun 2, 2027	Term ends May 7, 2030	High confidence
504 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro

10 of 514 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.