Maintenance fees coming due

Firmenich S.A.

84 maintenance fees come due in the 12 months from Nov 15, 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 10,308,895	A Synergistic Perfuming Composition Firmenich S.A. In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Feb 24, 2036 · High confidence	Firmenich S.A.	In force	Dec 4, 2026	Jun 4, 2027	Term ends Feb 24, 2036	High confidence
US 11,666,517	Antimicrobial Composition Firmenich S.A. In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Aug 4, 2037 · High confidence	Firmenich S.A.	In force	Dec 6, 2026	Jun 7, 2027	Term ends Aug 4, 2037	High confidence
US 11,666,881	Process for Preparing Polysuccinimide Derivatives-Based Microcapsules Firmenich S.A. In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Sep 18, 2039 · High confidence	Firmenich S.A.	In force	Dec 6, 2026	Jun 7, 2027	Term ends Sep 18, 2039	High confidence
US 11,667,869	Enol Ether Pro Perfume Firmenich S.A. In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Jun 20, 2039 · High confidence	Firmenich S.A.	In force	Dec 6, 2026	Jun 7, 2027	Term ends Jun 20, 2039	High confidence
US 11,674,110	Compositions Containing Lauryl Methacrylate for Malodor Reduction and Uses Thereof Firmenich Incorporated In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Term ends Sep 30, 2036 · High confidence	Firmenich Incorporated	In force	Dec 13, 2026	Jun 14, 2027	Term ends Sep 30, 2036	High confidence
US 9,056,826	Process for the Preparation of Beta-Santalol Firmenich S.A. In force Fee due Dec 16, 2026 Lapses if unpaid Jun 16, 2027 Term ends Jun 28, 2032 · High confidence	Firmenich S.A.	In force	Dec 16, 2026	Jun 16, 2027	Term ends Jun 28, 2032	High confidence
US 10,323,127	Poly(aspartic Acid) Derived Co-Polymers for a Controlled Release of Perfuming Ingredients Firmenich S.A. In force Fee due Dec 18, 2026 Lapses if unpaid Jun 21, 2027 Term ends May 8, 2036 · High confidence	Firmenich S.A.	In force	Dec 18, 2026	Jun 21, 2027	Term ends May 8, 2036	High confidence
US 9,068,140	Perfuming Acetal Firmenich S.A. In force Fee due Dec 30, 2026 Lapses if unpaid Jun 30, 2027 Term ends Aug 24, 2032 · High confidence	Firmenich S.A.	In force	Dec 30, 2026	Jun 30, 2027	Term ends Aug 24, 2032	High confidence
US 10,337,031	Production of Fragrant Compounds Firmenich S.A. In force Fee due Jan 2, 2027 Lapses if unpaid Jul 2, 2027 Term ends Apr 11, 2036 · High confidence	Firmenich S.A.	In force	Jan 2, 2027	Jul 2, 2027	Term ends Apr 11, 2036	High confidence
US 11,690,390	Taste Modifying Product Firmenich SA In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 Term ends Jun 6, 2032 · Medium confidence	Firmenich SA	In force	Jan 4, 2027	Jul 6, 2027	Term ends Jun 6, 2032	Medium confidence
74 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro

10 of 84 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.