Maintenance fees coming due

Hemanext Inc.

4 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Jun 1, 2027. Unpaid by Dec 1, 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 9,199,016	System for Extended Storage of Red Blood Cells and Methods of Use Hemanext Inc. In force Fee due Jun 1, 2027 Lapses if unpaid Dec 1, 2027 Term ends Jun 24, 2032 · Medium confidence	Hemanext Inc.	In force	Jun 1, 2027	Dec 1, 2027	Term ends Jun 24, 2032	Medium confidence
US 11,911,471	Anaerobic Blood Storage and Pathogen Inactivation Method Hemanext Inc. In force Fee due Aug 27, 2027 Lapses if unpaid Feb 28, 2028 Term ends May 25, 2037 · High confidence	Hemanext Inc.	In force	Aug 27, 2027	Feb 28, 2028	Term ends May 25, 2037	High confidence
US 10,583,192	Anaerobic Blood Storage and Pathogen Inactivation Method Hemanext Inc. In force Fee due Sep 10, 2027 Lapses if unpaid Mar 10, 2028 Term ends May 25, 2037 · Low confidence	Hemanext Inc.	In force	Sep 10, 2027	Mar 10, 2028	Term ends May 25, 2037	Low confidence
US 10,603,417	System for Extended Storage of Red Blood Cells and Methods of Use Hemanext Inc. In force Fee due Sep 30, 2027 Lapses if unpaid Mar 31, 2028 Term ends Apr 12, 2031 · Medium confidence	Hemanext Inc.	In force	Sep 30, 2027	Mar 31, 2028	Term ends Apr 12, 2031	Medium 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.