Maintenance fees coming due
5 maintenance fees come due in the 12 months from Nov 15, 2026, the next on May 28, 2027. Unpaid by Nov 29, 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 11,826,822 | High-Density, Crack-Free Metallic Parts In force Fee due May 28, 2027 Lapses if unpaid Nov 29, 2027 · High confidence | Elmet Technologies, LLC | In force | May 28, 2027 | Nov 29, 2027 | High confidence | |
| US 11,840,750 | Tungsten Heavy Metal Alloy Powders and Methods of Forming Them In force Fee due Jun 12, 2027 Lapses if unpaid Dec 13, 2027 · High confidence | Elmet Technologies, LLC | In force | Jun 12, 2027 | Dec 13, 2027 | High confidence | |
| US 10,507,449 | Microreactor Systems and Methods In force Fee due Jun 17, 2027 Lapses if unpaid Dec 17, 2027 · High confidence | Elmet Technologies, LLC | In force | Jun 17, 2027 | Dec 17, 2027 | High confidence | |
| US 11,913,095 | Fabrication of Metallic Parts by Additive Manufacturing In force Fee due Aug 27, 2027 Lapses if unpaid Feb 28, 2028 · High confidence | Elmet Technologies, LLC | In force | Aug 27, 2027 | Feb 28, 2028 | High confidence | |
| US 11,919,070 | Fabrication of Metallic Parts by Additive Manufacturing In force Fee due Sep 5, 2027 Lapses if unpaid Mar 6, 2028 · High confidence | Elmet Technologies, LLC | In force | Sep 5, 2027 | Mar 6, 2028 | High confidence |
5 of 5 patents shown. Soonest fee due date first, then patent number.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.