Maintenance fees coming due

MacDermid Enthone Inc.

16 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 21, 2026. Unpaid by May 21, 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 10,294,574	Levelers for Copper Deposition in Microelectronics MacDermid Enthone Inc. In force Fee due Nov 21, 2026 Lapses if unpaid May 21, 2027 Term ends Feb 6, 2037 · High confidence	MacDermid Enthone Inc.	In force	Nov 21, 2026	May 21, 2027	Term ends Feb 6, 2037	High confidence
US 11,697,884	Copper Deposition in Wafer Level Packaging of Integrated Circuits MacDermid Enthone Inc. In force Fee due Jan 11, 2027 Lapses if unpaid Jul 12, 2027 Term ends Sep 1, 2037 · High confidence	MacDermid Enthone Inc.	In force	Jan 11, 2027	Jul 12, 2027	Term ends Sep 1, 2037	High confidence
US 11,746,433	Single Step Electrolytic Method of Filling Through Holes in Printed Circuit Boards and Other Substrates MacDermid Enthone Inc. In force Fee due Mar 5, 2027 Lapses if unpaid Sep 7, 2027 Term ends Nov 22, 2041 · High confidence	MacDermid Enthone Inc.	In force	Mar 5, 2027	Sep 7, 2027	Term ends Nov 22, 2041	High confidence
US 10,443,135	NEAR NEUTRAL pH PICKLE ON MULTI-METALS MacDermid Enthone Inc. In force Fee due Apr 15, 2027 Lapses if unpaid Oct 15, 2027 Term ends May 11, 2038 · High confidence	MacDermid Enthone Inc.	In force	Apr 15, 2027	Oct 15, 2027	Term ends May 11, 2038	High confidence
US 9,175,400	Immersion Tin Silver Plating in Electronics Manufacture MacDermid Enthone Inc. In force Fee due May 3, 2027 Lapses if unpaid Nov 3, 2027 Term ends Jun 12, 2032 · High confidence	MacDermid Enthone Inc.	In force	May 3, 2027	Nov 3, 2027	Term ends Jun 12, 2032	High confidence
US 11,807,951	Cobalt Chemistry for Smooth Topology MacDermid Enthone Inc. In force Fee due May 7, 2027 Lapses if unpaid Nov 8, 2027 Term ends Dec 13, 2039 · High confidence	MacDermid Enthone Inc.	In force	May 7, 2027	Nov 8, 2027	Term ends Dec 13, 2039	High confidence
US 9,212,427	Cyanide-Free Electrolyte Composition, and Method for the Deposition of Silver or Silver Alloy Layers on Substrates MacDermid Enthone Inc. In force Fee due Jun 15, 2027 Lapses if unpaid Dec 15, 2027 Term ends Jan 14, 2028 · High confidence	MacDermid Enthone Inc.	In force	Jun 15, 2027	Dec 15, 2027	Term ends Jan 14, 2028	High confidence
US 10,508,207	Compositions Including a High Molecular Weight Acid Suitable for Conductive Polymer Formation on Dielectric Substrate MacDermid Enthone Inc. In force Fee due Jun 17, 2027 Lapses if unpaid Dec 17, 2027 Ends no later than Oct 31, 2031 · Medium confidence	MacDermid Enthone Inc.	In force	Jun 17, 2027	Dec 17, 2027	Ends no later than Oct 31, 2031	Medium confidence
US 9,217,205	Electrolytic Deposition of Metal-Based Composite Coatings Comprising Nano-Particles MacDermid Enthone Inc. In force Fee due Jun 22, 2027 Lapses if unpaid Dec 22, 2027 Term ends Jan 14, 2029 · High confidence	MacDermid Enthone Inc.	In force	Jun 22, 2027	Dec 22, 2027	Term ends Jan 14, 2029	High confidence
US 9,222,189	Method for the Post-Treatment of Metal Layers MacDermid Enthone Inc. In force Fee due Jun 29, 2027 Lapses if unpaid Dec 29, 2027 Term ends Jul 1, 2031 · High confidence	MacDermid Enthone Inc.	In force	Jun 29, 2027	Dec 29, 2027	Term ends Jul 1, 2031	High confidence
6 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 16 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.