Iarnach Technologies Limited

17 patents currently held · Updated Nov 14, 2026

2 more in force are now held by other companies

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Mar 2029

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.

1 fee due Jan 30, 2027
The maintenance fee for Service Configuration Data Processing Method and Apparatus (US 10,367,693) comes due Jan 30, 2027. Unpaid by Jul 30, 2027, it lapses early.
1 fee due Jun 10, 2027
The maintenance fee for Service Processing Method and Apparatus and Optical Line Terminal (US 10,505,637) comes due Jun 10, 2027. Unpaid by Dec 10, 2027, it lapses early.
1 fee due Sep 15, 2027
The maintenance fee for Dpoe System and Service Auto-Configuration Method and Network Based Thereon (US 9,287,982) comes due Sep 15, 2027. Unpaid by Mar 15, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.

Patent	Title	Status	Expires	Confidence
US 8,306,025	Method for implementing subscriber port positioning by broadband access equipments In force Term ends Mar 31, 2029 · From the USPTO record	In force	Term ends Mar 31, 2029	From the USPTO record
US 8,509,115	Multicast Control Method in Ethernet Passive Optical Network In force Term ends Sep 18, 2029 · High confidence	In force	Term ends Sep 18, 2029	High confidence
US 8,942,378	Method and Device for Encrypting Multicast Service in Passive Optical Network System In force Term ends Mar 21, 2031 · High confidence	In force	Term ends Mar 21, 2031	High confidence
US 8,712,242	Ranging Method and Apparatus in Passive Optical Network In force Term ends Mar 22, 2031 · High confidence	In force	Term ends Mar 22, 2031	High confidence
US 8,934,359	Method and Passive Optical Network System for Managing Uplink Burst Overhead Parameters In force Term ends Sep 27, 2031 · High confidence	In force	Term ends Sep 27, 2031	High confidence
US 9,287,982	Dpoe System and Service Auto-Configuration Method and Network Based Thereon In force Term ends Sep 4, 2032 · High confidence	In force	Term ends Sep 4, 2032	High confidence
US 9,363,013	Mitigating Rogue Optical Network Unit (ONU) Behavior in a Passive Optical Network (PON) In force Term ends Oct 4, 2032 · High confidence	In force	Term ends Oct 4, 2032	High confidence
US 10,142,118	Optical Network Unit Power Management in Passive Optical Networks In force Term ends Jul 15, 2033 · High confidence	In force	Term ends Jul 15, 2033	High confidence
US 9,806,892	Optical Network Unit Power Management in Passive Optical Networks In force Term ends Aug 9, 2033 · High confidence	In force	Term ends Aug 9, 2033	High confidence
US 9,819,599	Method and System for Improving Bandwidth Allocation Efficiency In force Term ends Aug 19, 2033 · High confidence	In force	Term ends Aug 19, 2033	High confidence

10 of 17 patents shown.

Pro members see all 17.

Pro members: see all 17 patents

Also on record, not counted in the 17: 2 patents in force now held by others · 3 lapsed for an unpaid fee. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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