Maintenance fees coming due

Emmecell, Inc.

4 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 25, 2026. Unpaid by Jun 25, 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 10,327,945	Magnetic Eye Shields and Methods of Treatment and Diagnosis Using the Same Emmecell, Inc. In force Fee due Dec 25, 2026 Lapses if unpaid Jun 25, 2027 Term ends Nov 24, 2035 · Medium confidence	Emmecell, Inc.	In force	Dec 25, 2026	Jun 25, 2027	Term ends Nov 24, 2035	Medium confidence
US 11,737,916	Magnetic Eye Shields and Methods of Treatment and Diagnosis Using the Same Emmecell, Inc. In force Fee due Feb 28, 2027 Lapses if unpaid Aug 30, 2027 Term ends Mar 5, 2035 · Medium confidence	Emmecell, Inc.	In force	Feb 28, 2027	Aug 30, 2027	Term ends Mar 5, 2035	Medium confidence
US 11,740,239	Identification and Isolation of Human Corneal Endothelial Cells (HCECS) Emmecell, Inc. In force Fee due Feb 28, 2027 Lapses if unpaid Aug 30, 2027 Term ends Jun 29, 2035 · High confidence	Emmecell, Inc.	In force	Feb 28, 2027	Aug 30, 2027	Term ends Jun 29, 2035	High confidence
US 10,478,332	Magnetic Operating Microscopes and Methods of Treatment and Diagnosis Using the Same Emmecell, Inc. In force Fee due May 19, 2027 Lapses if unpaid Nov 19, 2027 Term ends Mar 14, 2037 · High confidence	Emmecell, Inc.	In force	May 19, 2027	Nov 19, 2027	Term ends Mar 14, 2037	High confidence

4 of 4 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.