Maintenance fees coming due

FlatFrog Laboratories AB

13 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Feb 28, 2027. Unpaid by Aug 30, 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 11,740,741	Optical Coupling in Touch-Sensing Systems Flatfrog Laboratories AB In force Fee due Feb 28, 2027 Lapses if unpaid Aug 30, 2027 Term ends Feb 5, 2038 · High confidence	Flatfrog Laboratories AB	In force	Feb 28, 2027	Aug 30, 2027	Term ends Feb 5, 2038	High confidence
US 10,437,389	Touch Sensing Apparatus and Method for Assembly Flatfrog Laboratories AB In force Fee due Apr 8, 2027 Lapses if unpaid Oct 8, 2027 Term ends Feb 6, 2038 · High confidence	Flatfrog Laboratories AB	In force	Apr 8, 2027	Oct 8, 2027	Term ends Feb 6, 2038	High confidence
US 9,158,401	Data Processing in Relation to a Multi-Touch Sensing Apparatus Flatfrog Laboratories AB In force Fee due Apr 13, 2027 Lapses if unpaid Oct 13, 2027 Term ends Dec 1, 2031 · High confidence	Flatfrog Laboratories AB	In force	Apr 13, 2027	Oct 13, 2027	Term ends Dec 1, 2031	High confidence
US 10,481,737	Pen Differentiation for Touch Displays FlatFrog Laboratories AB In force Fee due May 19, 2027 Lapses if unpaid Nov 19, 2027 Term ends May 16, 2038 · High confidence	FlatFrog Laboratories AB	In force	May 19, 2027	Nov 19, 2027	Term ends May 16, 2038	High confidence
US 10,496,227	Optical Touch System Comprising Means for Projecting and Detecting Light Beams Above and Inside a Transmissive Panel Flatfrog Laboratories AB In force Fee due Jun 3, 2027 Lapses if unpaid Dec 3, 2027 Term ends Apr 19, 2036 · High confidence	Flatfrog Laboratories AB	In force	Jun 3, 2027	Dec 3, 2027	Term ends Apr 19, 2036	High confidence
US 11,868,568	Touch Device Flatfrog Laboratories AB In force Fee due Jul 9, 2027 Lapses if unpaid Jan 10, 2028 Term ends Dec 7, 2037 · High confidence	Flatfrog Laboratories AB	In force	Jul 9, 2027	Jan 10, 2028	Term ends Dec 7, 2037	High confidence
US 11,893,189	Improved Touch-Sensing Apparatus Flatfrog Laboratories AB In force Fee due Aug 6, 2027 Lapses if unpaid Feb 7, 2028 Term ends Jan 25, 2041 · High confidence	Flatfrog Laboratories AB	In force	Aug 6, 2027	Feb 7, 2028	Term ends Jan 25, 2041	High confidence
US 11,907,480	Touch Device Flatfrog Laboratories AB In force Fee due Aug 20, 2027 Lapses if unpaid Feb 22, 2028 Term ends Dec 7, 2037 · High confidence	Flatfrog Laboratories AB	In force	Aug 20, 2027	Feb 22, 2028	Term ends Dec 7, 2037	High confidence
US 11,914,819	Touch Device Flatfrog Laboratories AB In force Fee due Aug 27, 2027 Lapses if unpaid Feb 28, 2028 Term ends Dec 7, 2037 · High confidence	Flatfrog Laboratories AB	In force	Aug 27, 2027	Feb 28, 2028	Term ends Dec 7, 2037	High confidence
US 11,943,563	A Videoconferencing Terminal and Method of Operating the Same Flatfrog Laboratories AB In force Fee due Sep 26, 2027 Lapses if unpaid Mar 27, 2028 Term ends Jul 7, 2040 · High confidence	Flatfrog Laboratories AB	In force	Sep 26, 2027	Mar 27, 2028	Term ends Jul 7, 2040	High confidence
3 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 13 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.