Maintenance fees coming due
28 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 14, 2026. Unpaid by May 14, 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 10,288,483 | Recovering Spectral Shape from Spatial Output In force Fee due Nov 14, 2026 Lapses if unpaid May 14, 2027 · High confidence | Cymer, LLC | In force | Nov 14, 2026 | May 14, 2027 | High confidence | |
| US 10,288,484 | Homogenization of Light Beam for Spectral Feature Metrology In force Fee due Nov 14, 2026 Lapses if unpaid May 14, 2027 · High confidence | Cymer, LLC | In force | Nov 14, 2026 | May 14, 2027 | High confidence | |
| US 9,065,248 | Systems and Methods to More Accurately Estimate a Fluorine Concentration in a Source Laser In force Fee due Dec 23, 2026 Lapses if unpaid Jun 23, 2027 · High confidence | Cymer, LLC | In force | Dec 23, 2026 | Jun 23, 2027 | High confidence | |
| US 11,686,951 | Reducing Speckle in an Excimer Light Source In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 · High confidence | ASML Netherlands B.V. | In force | Dec 27, 2026 | Jun 28, 2027 | High confidence | |
| US 10,345,714 | Lithography Optics Adjustment and Monitoring In force Fee due Jan 9, 2027 Lapses if unpaid Jul 9, 2027 · Medium confidence | Cymer, LLC | In force | Jan 9, 2027 | Jul 9, 2027 | Medium confidence | |
| US 11,747,739 | Method and Apparatus for Imaging Using Narrowed Bandwidth In force Fee due Mar 5, 2027 Lapses if unpaid Sep 7, 2027 · High confidence | Cymer, LLC | In force | Mar 5, 2027 | Sep 7, 2027 | High confidence | |
| US 11,749,520 | Electrode for a Discharge Chamber In force Fee due Mar 5, 2027 Lapses if unpaid Sep 7, 2027 · High confidence | Cymer, LLC | In force | Mar 5, 2027 | Sep 7, 2027 | High confidence | |
| US 9,130,337 | System and Method for Automatic Gas Optimization in a Two-Chamber Gas Discharge Laser System In force Fee due Mar 8, 2027 Lapses if unpaid Sep 8, 2027 · High confidence | Cymer, LLC | In force | Mar 8, 2027 | Sep 8, 2027 | High confidence | |
| US 11,754,541 | Fluorine Detection in a Gas Discharge Light Source In force Fee due Mar 12, 2027 Lapses if unpaid Sep 13, 2027 · High confidence | Cymer, LLC | In force | Mar 12, 2027 | Sep 13, 2027 | High confidence | |
| US 10,416,471 | Spectral Feature Control Apparatus In force Fee due Mar 17, 2027 Lapses if unpaid Sep 17, 2027 · High confidence | Cymer, LLC | In force | Mar 17, 2027 | Sep 17, 2027 | High confidence | |
| 18 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro | |||||||
10 of 28 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.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.