Maintenance fees coming due

Brainlab AG

91 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Nov 30, 2026. Unpaid by Jun 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 11,663,755	Determination of Dynamic DRRs Brainlab SE In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Feb 16, 2036 · Low confidence	Brainlab SE	In force	Nov 30, 2026	Jun 1, 2027	Term ends Feb 16, 2036	Low confidence
US 9,044,269	Two-Part Medical Tracking Marker Brainlab AG In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Sep 30, 2029 · High confidence	Brainlab AG	In force	Dec 2, 2026	Jun 2, 2027	Term ends Sep 30, 2029	High confidence
US 11,666,250	Medical Camera Assembly Comprising Range Camera and Thermographic Camera Brainlab AG In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Jan 8, 2036 · Medium confidence	Brainlab AG	In force	Dec 6, 2026	Jun 7, 2027	Term ends Jan 8, 2036	Medium confidence
US 11,669,974	Constrained Object Correction for a Segmented Image Brainlab SE In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Feb 27, 2038 · Medium confidence	Brainlab SE	In force	Dec 6, 2026	Jun 7, 2027	Term ends Feb 27, 2038	Medium confidence
US 11,669,982	Soft Tissue Stereo-Tracking Brainlab SE In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Dec 21, 2037 · Medium confidence	Brainlab SE	In force	Dec 6, 2026	Jun 7, 2027	Term ends Dec 21, 2037	Medium confidence
US 11,678,836	Method and Apparatus for Estimating Temperature in a Body Brainlab SE In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 Term ends Feb 21, 2033 · Medium confidence	Brainlab SE	In force	Dec 20, 2026	Jun 21, 2027	Term ends Feb 21, 2033	Medium confidence
US 11,682,115	Atlas-Based Location Determination of an Anatomical Region of Interest Brainlab SE In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 Term ends Aug 4, 2039 · High confidence	Brainlab SE	In force	Dec 20, 2026	Jun 21, 2027	Term ends Aug 4, 2039	High confidence
US 9,061,142	Method and Device for Radiation Therapy Treatment of Multiple Targets Brainlab AG In force Fee due Dec 23, 2026 Lapses if unpaid Jun 23, 2027 Term ends Nov 23, 2031 · High confidence	Brainlab AG	In force	Dec 23, 2026	Jun 23, 2027	Term ends Nov 23, 2031	High confidence
US 10,328,283	Method and Apparatus for Determining or Predicting the Position of a Target Brainlab SE In force Fee due Dec 25, 2026 Lapses if unpaid Jun 25, 2027 Term ends Dec 12, 2036 · High confidence	Brainlab SE	In force	Dec 25, 2026	Jun 25, 2027	Term ends Dec 12, 2036	High confidence
US 10,335,237	Visual Orientation Aid for Medical Instruments Brainlab SE In force Fee due Jan 2, 2027 Lapses if unpaid Jul 2, 2027 Term ends Apr 6, 2034 · High confidence	Brainlab SE	In force	Jan 2, 2027	Jul 2, 2027	Term ends Apr 6, 2034	High confidence
81 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro

10 of 91 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.