Maintenance fees coming due

Genmab A/S

26 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 18, 2026. Unpaid by Jun 21, 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 10,323,081	Modulation of Complement-Dependent Cytotoxicity Through Modifications of the C-Terminus of Antibody Heavy Chains Genmab A/S In force Fee due Dec 18, 2026 Lapses if unpaid Jun 21, 2027 Term ends Apr 3, 2034 · High confidence	Genmab A/S	In force	Dec 18, 2026	Jun 21, 2027	Term ends Apr 3, 2034	High confidence
US 9,068,011	Monoclonal Antibodies Against C-Met Genmab A/S In force Fee due Dec 30, 2026 Lapses if unpaid Jun 30, 2027 Term ends Jun 13, 2031 · High confidence	Genmab A/S	In force	Dec 30, 2026	Jun 30, 2027	Term ends Jun 13, 2031	High confidence
US 10,344,050	Production of Heterodimeric Proteins Genmab A/S In force Fee due Jan 9, 2027 Lapses if unpaid Jul 9, 2027 Term ends Dec 22, 2032 · High confidence	Genmab A/S	In force	Jan 9, 2027	Jul 9, 2027	Term ends Dec 22, 2032	High confidence
US 10,351,629	Recombinant IGG4 Monovalent Antibodies Genmab A/S In force Fee due Jan 16, 2027 Lapses if unpaid Jul 16, 2027 Term ends May 30, 2028 · High confidence	Genmab A/S	In force	Jan 16, 2027	Jul 16, 2027	Term ends May 30, 2028	High confidence
US 9,085,625	Antibody Variants Having Modifications In The Constant Region Genmab A/S In force Fee due Jan 21, 2027 Lapses if unpaid Jul 21, 2027 Term ends Mar 21, 2031 · High confidence	Genmab A/S	In force	Jan 21, 2027	Jul 21, 2027	Term ends Mar 21, 2031	High confidence
US 10,407,501	Humanized or Chimeric CD3 Antibodies Genmab A/S In force Fee due Mar 10, 2027 Lapses if unpaid Sep 10, 2027 Term ends Oct 3, 2035 · High confidence	Genmab A/S	In force	Mar 10, 2027	Sep 10, 2027	Term ends Oct 3, 2035	High confidence
US 9,150,658	Human Antibodies Against Tissue Factor and Methods of Use Thereof Genmab A/S In force Fee due Apr 6, 2027 Lapses if unpaid Oct 6, 2027 Term ends Sep 20, 2035 · High confidence	Genmab A/S	In force	Apr 6, 2027	Oct 6, 2027	Term ends Sep 20, 2035	High confidence
US 9,150,663	Heterodimeric Antibody Fc-Containing Proteins and Methods for Production Thereof Genmab A/S In force Fee due Apr 6, 2027 Lapses if unpaid Oct 6, 2027 Term ends Apr 20, 2031 · High confidence	Genmab A/S	In force	Apr 6, 2027	Oct 6, 2027	Term ends Apr 20, 2031	High confidence
US 11,795,214	Modulation of Complement-Dependent Cytotoxicity Through Modifications of the C-Terminus of Antibody Heavy Chains Genmab A/S In force Fee due Apr 24, 2027 Lapses if unpaid Oct 25, 2027 Term ends Nov 20, 2032 · High confidence	Genmab A/S	In force	Apr 24, 2027	Oct 25, 2027	Term ends Nov 20, 2032	High confidence
US 9,168,314	Human Antibody Drug Conjugates Against Tissue Factor Genmab A/S In force Fee due Apr 27, 2027 Lapses if unpaid Oct 27, 2027 Ends no later than Jun 15, 2031 · Medium confidence	Genmab A/S	In force	Apr 27, 2027	Oct 27, 2027	Ends no later than Jun 15, 2031	Medium confidence
16 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro

10 of 26 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.