Maintenance fees coming due

Anavex Life Sciences Corp.

9 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 11,690,821	A19-144, A2-73 and Certain Anticholinesterase Inhibitor Compositions and Method for Anti-Seizure Therapy Anavex Life Sciences Corp. In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 Term ends Oct 19, 2035 · High confidence	Anavex Life Sciences Corp.	In force	Jan 4, 2027	Jul 6, 2027	Term ends Oct 19, 2035	High confidence
US 10,413,519	CRYSTAL FORMS OF tetrahydro-N,N-dimethyl-2,2-diphenyl-3-furanmethanamine hydrochloride, PROCESSES OF MAKING SUCH FORMS, AND THEIR PHARMACEUTICAL COMPOSITIONS Anavex Life Sciences Corp. In force Fee due Mar 17, 2027 Lapses if unpaid Sep 17, 2027 Term ends Jul 19, 2036 · High confidence	Anavex Life Sciences Corp.	In force	Mar 17, 2027	Sep 17, 2027	Term ends Jul 19, 2036	High confidence
US 10,426,754	A Crystalline Form of ANAVEX2-73 for the Treatment of Alzheimer's Disease Anavex Life Sciences Corp. In force Fee due Apr 1, 2027 Lapses if unpaid Oct 1, 2027 Term ends Jun 14, 2037 · High confidence	Anavex Life Sciences Corp.	In force	Apr 1, 2027	Oct 1, 2027	Term ends Jun 14, 2037	High confidence
US 10,441,563	A 19-144, A2-73 and Certain Anticholinesterase Inhibitor Compositions and Method for Anti-Seizure Therapy Anavex Life Sciences Corp. In force Fee due Apr 15, 2027 Lapses if unpaid Oct 15, 2027 Term ends Oct 19, 2035 · High confidence	Anavex Life Sciences Corp.	In force	Apr 15, 2027	Oct 15, 2027	Term ends Oct 19, 2035	High confidence
US 9,180,106	Sigma Receptors Ligands with Anti-Apoptotic And/Or Pro-Apoptotic Properties, Over Cellular Mechanisms, Exhibiting Prototypical Cytoprotective and Also Anti-Cancer Activity Anavex Life Sciences Corp. In force Fee due May 10, 2027 Lapses if unpaid Nov 10, 2027 Term ends Feb 17, 2030 · High confidence	Anavex Life Sciences Corp.	In force	May 10, 2027	Nov 10, 2027	Term ends Feb 17, 2030	High confidence
US 11,813,242	A2-73 as a Therapeutic for Insomnia, Anxiety, and Agitation Anavex Life Sciences Corp. In force Fee due May 14, 2027 Lapses if unpaid Nov 15, 2027 Term ends Jul 27, 2037 · High confidence	Anavex Life Sciences Corp.	In force	May 14, 2027	Nov 15, 2027	Term ends Jul 27, 2037	High confidence
US 11,839,600	Neurodevelopmental Disorder Therapy Anavex Life Sciences Corp. In force Fee due Jun 12, 2027 Lapses if unpaid Dec 13, 2027 Term ends Jan 24, 2037 · High confidence	Anavex Life Sciences Corp.	In force	Jun 12, 2027	Dec 13, 2027	Term ends Jan 24, 2037	High confidence
US 10,507,196	Neurodevelopmental Disorder Therapy Anavex Life Sciences Corp. In force Fee due Jun 17, 2027 Lapses if unpaid Dec 17, 2027 Term ends Jan 24, 2037 · High confidence	Anavex Life Sciences Corp.	In force	Jun 17, 2027	Dec 17, 2027	Term ends Jan 24, 2037	High confidence
US 11,896,590	Analgesic therapeutic and method, 1-(3-4(((1R,3S,5S)-adamantan-1-yl)(phenyl)methyl)propyl)-4-methylpiperazine and salts thereof Anavex Life Sciences Corp. In force Fee due Aug 13, 2027 Lapses if unpaid Feb 14, 2028 Term ends Nov 1, 2036 · High confidence	Anavex Life Sciences Corp.	In force	Aug 13, 2027	Feb 14, 2028	Term ends Nov 1, 2036	High confidence

9 of 9 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.