Coriant Oy

66 patents currently held · Updated Nov 14, 2026

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

Recorded under 2 name spellings.

Previously recorded as Tellabs Oy (to 2015)

Ending by 2030

Jul 2027

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.

2 fees due Dec 4 to 18, 2026 · next Dec 4
1 fee due Jan 21, 2027
The maintenance fee for Method and System for Synchronization (US 9,088,376) comes due Jan 21, 2027. Unpaid by Jul 21, 2027, it lapses early.
1 fee due Feb 11, 2027
The maintenance fee for Assembly with Condition Monitoring and a Method for Condition Monitoring (US 9,105,173) comes due Feb 11, 2027. Unpaid by Aug 11, 2027, it lapses early.
1 fee due Mar 8, 2027
The maintenance fee for A Method and a Device for Updating Configureation Data for Providing Network Element Protection in a Data Transfer Network (US 9,130,841) comes due Mar 8, 2027. Unpaid by Sep 8, 2027, it lapses early.
2 fees due Apr 1, 2027
1 fee due May 12, 2027
The maintenance fee for Method and an appliance for maintaining a configuration data structure (US 10,476,741) comes due May 12, 2027. Unpaid by Nov 12, 2027, it lapses early.
2 fees due Jun 15 to 29, 2027 · next Jun 15
2 fees due Jul 5 to 14, 2027 · next Jul 5
2 fees due Aug 4 to 23, 2027 · next Aug 4
1 fee due Oct 26, 2027
The maintenance fee for Satellite Receiver Module for Telecommunication Equipment (US 9,325,408) comes due Oct 26, 2027. Unpaid by Apr 26, 2028, it lapses early.
1 fee due Nov 12, 2027
The maintenance fee for System and a method for controlling management processes directed to a link aggregation group (US 10,652,140) comes due Nov 12, 2027. Unpaid by May 12, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 term has ended since Aug 16, 2026

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 8,194,542	Method and Equipment for Performing Flow Shaping That Maintains Service Quality in Packet-Switched Telecommunications In force Term ends Jul 4, 2027 · High confidence	In force	Term ends Jul 4, 2027	High confidence
US 7,826,354	Method Preserving Delay Properties and an Apparatus for Scheduling Transmission Link Capacity Between Packet Switched Telecommunications Flows In force Term ends Nov 25, 2027 · High confidence	In force	Term ends Nov 25, 2027	High confidence
US 8,774,047	Method for Providing Virtual Private Network Services Between Autonomous Systems In force Term ends Mar 13, 2028 · High confidence	In force	Term ends Mar 13, 2028	High confidence
US 7,864,776	Method and Equipment for Making a Routing Decision Dependent on a Quality-Of-Service Class In force Term ends May 29, 2028 · High confidence	In force	Term ends May 29, 2028	High confidence
US 8,189,475	Transmission of Digital Information in a Frame Switched Data Network In force Term ends Aug 10, 2028 · High confidence	In force	Term ends Aug 10, 2028	High confidence
US 8,279,859	Method and Arrangement for Transferring Synchronizing Information In force Term ends Aug 21, 2028 · High confidence	In force	Term ends Aug 21, 2028	High confidence
US 8,081,664	Method and Arrangement for Regenerating a Timing Signal in Digital Data Communication In force Term ends Oct 4, 2028 · High confidence	In force	Term ends Oct 4, 2028	High confidence
US 7,822,047	Method and Arrangement for Processing Management and Control Messages In force Term ends Oct 9, 2028 · High confidence	In force	Term ends Oct 9, 2028	High confidence
US 7,995,623	Method and System for Synchronizing Clock Signals In force Term ends Dec 30, 2028 · High confidence	In force	Term ends Dec 30, 2028	High confidence
US 8,139,499	Method and Arrangement for Determining Transmission Delay Differences In force Term ends Jan 28, 2029 · High confidence	In force	Term ends Jan 28, 2029	High confidence

10 of 66 patents shown.

Pro members see all 66.

Pro members: see all 66 patents

Also on record, not counted in the 66: 17 lapsed for an unpaid fee · 19 ended at full term. 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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Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

1 abandoned · 3 no status recorded

List them