Maintenance fees coming due
32 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Jan 4, 2027. Unpaid by Jul 6, 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 11,692,056 | Stable Polycycloolefin Polymer and Inorganic Nanoparticle Compositions as Optical Materials In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 · High confidence | Sumitomo Bakelite Co., Ltd. | In force | Jan 4, 2027 | Jul 6, 2027 | High confidence | |
| US 10,342,527 | Repeating-Type Organ-Fastening Tool In force Fee due Jan 9, 2027 Lapses if unpaid Jul 9, 2027 · High confidence | Sumitomo Bakelite Co., Ltd. and Suzuki, Yutaka | In force | Jan 9, 2027 | Jul 9, 2027 | High confidence | |
| US 11,697,701 | Stable Mass Polymerizable Polycycloolefin Compositions as 3D Printing Materials and a Method of Fabrication Thereof In force Fee due Jan 11, 2027 Lapses if unpaid Jul 12, 2027 · High confidence | Sumitomo Bakelite Co., Ltd. | In force | Jan 11, 2027 | Jul 12, 2027 | High confidence | |
| US 11,697,744 | High Impact Strength 3D Printing Materials Derived from Polycycloolefin Monomers and Crosslinkers In force Fee due Jan 11, 2027 Lapses if unpaid Jul 12, 2027 · High confidence | Sumitomo Bakelite Co., Ltd. | In force | Jan 11, 2027 | Jul 12, 2027 | High confidence | |
| US 9,081,160 | Optical Waveguide Structure and Electronic Device In force Fee due Jan 14, 2027 Lapses if unpaid Jul 14, 2027 · High confidence | Sumitomo Bakelite Co., Ltd. | In force | Jan 14, 2027 | Jul 14, 2027 | High confidence | |
| US 9,085,645 | Sugar Chain Fluorescent Labeling Method In force Fee due Jan 21, 2027 Lapses if unpaid Jul 21, 2027 · High confidence | Sumitomo Bakelite Co., Ltd. | In force | Jan 21, 2027 | Jul 21, 2027 | High confidence | |
| US 10,363,397 | Catheter, Catheter Manipulation Part, and Catheter Manufacturing Method In force Fee due Jan 30, 2027 Lapses if unpaid Jul 30, 2027 · High confidence | Sumitomo Bakelite Co., Ltd. | In force | Jan 30, 2027 | Jul 30, 2027 | High confidence | |
| US 11,732,086 | Two Component Mass Polymerizable Compositions Containing Polycycloolefin Monomers and Organoruthenium Carbide Precatalyst In force Fee due Feb 22, 2027 Lapses if unpaid Aug 23, 2027 · High confidence | Sumitomo Bakelite Co., Ltd. | In force | Feb 22, 2027 | Aug 23, 2027 | High confidence | |
| US 9,117,861 | Room Temperature Debonding Composition, Method and Stack In force Fee due Feb 25, 2027 Lapses if unpaid Aug 25, 2027 · High confidence | Sumitomo Bakelite Co., Ltd. | In force | Feb 25, 2027 | Aug 25, 2027 | High confidence | |
| US 11,746,166 | UV ACTIVE DERIVATIVES OF Pd(AcAc)2L CATALYZED POLYCYCLOOLEFIN COMPOSITIONS AS OPTICAL MATERIALS In force Fee due Mar 5, 2027 Lapses if unpaid Sep 7, 2027 · High confidence | Sumitomo Bakelite Co., Ltd. | In force | Mar 5, 2027 | Sep 7, 2027 | High confidence | |
| 22 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro | |||||||
10 of 32 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.