Maintenance fees coming due

Cerevasc, Inc.

6 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 4, 2026. Unpaid by Jun 4, 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 10,307,576	Systems and Methods for Deploying an Implant in the Vasculature Cerevasc, Inc. In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Oct 30, 2035 · High confidence	Cerevasc, Inc.	In force	Dec 4, 2026	Jun 4, 2027	Term ends Oct 30, 2035	High confidence
US 10,307,577	Systems and Methods for Deploying an Implant in the Vasculature Cerevasc, Inc. In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Oct 28, 2036 · High confidence	Cerevasc, Inc.	In force	Dec 4, 2026	Jun 4, 2027	Term ends Oct 28, 2036	High confidence
US 11,771,875	Catheter Systems and Methods for Medical Procedures Using Catheters Cerevasc, Inc. In force Fee due Apr 3, 2027 Lapses if unpaid Oct 4, 2027 Term ends Jul 10, 2039 · High confidence	Cerevasc, Inc.	In force	Apr 3, 2027	Oct 4, 2027	Term ends Jul 10, 2039	High confidence
US 11,850,390	Systems and Methods for Minimally Invasive Drug Delivery to a Subarachnoid Space Cerevasc, Inc. In force Fee due Jun 26, 2027 Lapses if unpaid Dec 27, 2027 Term ends Nov 24, 2039 · High confidence	Cerevasc, Inc.	In force	Jun 26, 2027	Dec 27, 2027	Term ends Nov 24, 2039	High confidence
US 11,883,309	Directional Stent for Accessing Extravascular Spaces Cerevasc, Inc. In force Fee due Jul 30, 2027 Lapses if unpaid Jan 31, 2028 Term ends Jun 20, 2042 · High confidence	Cerevasc, Inc.	In force	Jul 30, 2027	Jan 31, 2028	Term ends Jun 20, 2042	High confidence
US 11,951,270	Systems and Methods for Endovascularly Accessing a Subarachnoid Space Cerevasc, Inc. In force Fee due Oct 9, 2027 Lapses if unpaid Apr 10, 2028 Ends no later than Apr 17, 2039 · Medium confidence	Cerevasc, Inc.	In force	Oct 9, 2027	Apr 10, 2028	Ends no later than Apr 17, 2039	Medium confidence

6 of 6 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.