Maintenance fees coming due

ViOptix, Inc.

36 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 23, 2026. Unpaid by May 24, 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 11,653,861	Using Monte Carlo and Iterative Techniques to Determine Tissue Oxygen Saturation ViOptix, Inc. In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 Term ends Nov 6, 2033 · High confidence	ViOptix, Inc.	In force	Nov 23, 2026	May 24, 2027	Term ends Nov 6, 2033	High confidence
US 11,672,448	Probe Tip for Medical Device Vioptix, Inc. In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Term ends Mar 9, 2041 · High confidence	Vioptix, Inc.	In force	Dec 13, 2026	Jun 14, 2027	Term ends Mar 9, 2041	High confidence
US 11,672,519	Retractor Systems with Closed Loop Control ViOptix, Inc. In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Term ends Jul 1, 2029 · High confidence	ViOptix, Inc.	In force	Dec 13, 2026	Jun 14, 2027	Term ends Jul 1, 2029	High confidence
US 9,060,720	Tissue Oximeter Intraoperative Sensor ViOptix Inc. In force Fee due Dec 23, 2026 Lapses if unpaid Jun 23, 2027 Term ends Nov 23, 2029 · High confidence	ViOptix Inc.	In force	Dec 23, 2026	Jun 23, 2027	Term ends Nov 23, 2029	High confidence
US 11,684,297	Sheath for a Medical Device Vioptix, Inc. In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Term ends Jul 4, 2041 · High confidence	Vioptix, Inc.	In force	Dec 27, 2026	Jun 28, 2027	Term ends Jul 4, 2041	High confidence
US 9,066,692	Medical Device Probe Connector ViOptix Inc. In force Fee due Dec 30, 2026 Lapses if unpaid Jun 30, 2027 Term ends Jun 8, 2029 · High confidence	ViOptix Inc.	In force	Dec 30, 2026	Jun 30, 2027	Term ends Jun 8, 2029	High confidence
US 10,335,069	Oximeter Probe with Light Wavelengths to Avoid Surgical Dyes ViOptix, Inc. In force Fee due Jan 2, 2027 Lapses if unpaid Jul 2, 2027 Term ends Jan 8, 2034 · High confidence	ViOptix, Inc.	In force	Jan 2, 2027	Jul 2, 2027	Term ends Jan 8, 2034	High confidence
US 10,335,070	Using an Oximeter Probe to Detect Intestinal Ischemia ViOptix, Inc. In force Fee due Jan 2, 2027 Lapses if unpaid Jul 2, 2027 Term ends Mar 24, 2029 · High confidence	ViOptix, Inc.	In force	Jan 2, 2027	Jul 2, 2027	Term ends Mar 24, 2029	High confidence
US 10,335,074	Noninvasive Sensor Housing ViOptix, Inc. In force Fee due Jan 2, 2027 Lapses if unpaid Jul 2, 2027 Term ends Apr 16, 2030 · High confidence	ViOptix, Inc.	In force	Jan 2, 2027	Jul 2, 2027	Term ends Apr 16, 2030	High confidence
US 10,357,190	Medical Device Probe and Connector ViOptix, Inc. In force Fee due Jan 23, 2027 Lapses if unpaid Jul 23, 2027 Term ends Aug 23, 2029 · High confidence	ViOptix, Inc.	In force	Jan 23, 2027	Jul 23, 2027	Term ends Aug 23, 2029	High confidence
26 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 36 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.