Maintenance fees coming due

Eci Telecom Ltd.

16 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 19, 2026. Unpaid by May 19, 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 9,036,644	Method of Provisioning H-Vpls Services in a Multi-Domain MPLS Network Eci Telecom Ltd. In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends Nov 20, 2033 · High confidence	Eci Telecom Ltd.	In force	Nov 19, 2026	May 19, 2027	Term ends Nov 20, 2033	High confidence
US 11,671,323	Preplan Assignment Generation Eci Telecom Ltd. In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Oct 20, 2042 · High confidence	Eci Telecom Ltd.	In force	Dec 6, 2026	Jun 7, 2027	Term ends Oct 20, 2042	High confidence
US 9,110,850	Method for Accelerating Start Up of a Computerized System Eci Telecom Ltd. In force Fee due Feb 18, 2027 Lapses if unpaid Aug 18, 2027 Term ends Nov 19, 2033 · High confidence	Eci Telecom Ltd.	In force	Feb 18, 2027	Aug 18, 2027	Term ends Nov 19, 2033	High confidence
US 10,389,584	Migrating Services in Data Communication Networks Eci Telecom Ltd. In force Fee due Feb 20, 2027 Lapses if unpaid Aug 20, 2027 Term ends Dec 17, 2038 · High confidence	Eci Telecom Ltd.	In force	Feb 20, 2027	Aug 20, 2027	Term ends Dec 17, 2038	High confidence
US 11,736,387	Systems and Methods for Configuring a Communications Network Eci Telecom Ltd. In force Fee due Feb 22, 2027 Lapses if unpaid Aug 23, 2027 Term ends Jul 8, 2040 · High confidence	Eci Telecom Ltd.	In force	Feb 22, 2027	Aug 23, 2027	Term ends Jul 8, 2040	High confidence
US 10,419,110	Osnr Margin Monitoring for Optical Coherent Signals Eci Telecom Ltd. In force Fee due Mar 17, 2027 Lapses if unpaid Sep 17, 2027 Ends no later than Mar 19, 2035 · Medium confidence	Eci Telecom Ltd.	In force	Mar 17, 2027	Sep 17, 2027	Ends no later than Mar 19, 2035	Medium confidence
US 9,197,570	Congestion Control in Packet Switches Eci Telecom Ltd. In force Fee due May 24, 2027 Lapses if unpaid Nov 24, 2027 Term ends Jan 1, 2034 · High confidence	Eci Telecom Ltd.	In force	May 24, 2027	Nov 24, 2027	Term ends Jan 1, 2034	High confidence
US 10,491,510	Cycle Structure for Service Path Restoration in Data Communication Networks Eci Telecom Ltd. In force Fee due May 26, 2027 Lapses if unpaid Nov 26, 2027 Term ends Dec 17, 2038 · High confidence	Eci Telecom Ltd.	In force	May 26, 2027	Nov 26, 2027	Term ends Dec 17, 2038	High confidence
US 10,498,590	Data Structure for Service Path Restoration in Data Communication Networks Eci Telecom Ltd. In force Fee due Jun 3, 2027 Lapses if unpaid Dec 3, 2027 Term ends Dec 17, 2038 · High confidence	Eci Telecom Ltd.	In force	Jun 3, 2027	Dec 3, 2027	Term ends Dec 17, 2038	High confidence
US 9,209,895	Method of Carrying Out Fast Switching in Optical Communication Networks Eci Telecom Ltd. In force Fee due Jun 8, 2027 Lapses if unpaid Dec 8, 2027 Term ends Apr 28, 2034 · High confidence	Eci Telecom Ltd.	In force	Jun 8, 2027	Dec 8, 2027	Term ends Apr 28, 2034	High confidence
6 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 16 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.