British Telecommunications

10 patents currently held · Updated Nov 15, 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.

Recorded under 2 name spellings.

Ending by 2030

Jun 2029

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

No maintenance fee falls due on this company's record before Nov 15, 2027.

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.

Showing 1 to 10 of 10

Patent	Title	Status	Expires	Confidence
US 8,433,194	Communications Network In force Term ends Jun 25, 2029 · High confidence	In force	Term ends Jun 25, 2029	High confidence
US 8,818,815	Method and System for Packetised Content Streaming Optimisation In force Term ends Mar 29, 2030 · High confidence	In force	Term ends Mar 29, 2030	High confidence
US 8,605,876	Method for re-configuring a communications device In force Term ends Aug 12, 2030 · From the USPTO record	In force	Term ends Aug 12, 2030	From the USPTO record
US 8,755,282	Provision of path characterization information in networks In force Term ends Jun 17, 2031 · From the USPTO record	In force	Term ends Jun 17, 2031	From the USPTO record
US 9,838,510	Method of configuring a device for communications service activation In force Term ends Oct 4, 2032 · From the USPTO record	In force	Term ends Oct 4, 2032	From the USPTO record
US 9,497,065	Service Session Resource Management In force Term ends Apr 18, 2033 · High confidence	In force	Term ends Apr 18, 2033	High confidence
US 9,531,395	Method and devices for time and frequency synchronization using a phase locked loop In force Term ends Jan 31, 2035 · From the USPTO record	In force	Term ends Jan 31, 2035	From the USPTO record
US 10,296,584	Semantic Textual Analysis In force Term ends Mar 14, 2035 · High confidence	In force	Term ends Mar 14, 2035	High confidence
US 9,917,757	Network Connectivity Identification In force Term ends Aug 19, 2035 · High confidence	In force	Term ends Aug 19, 2035	High confidence
US 11,412,085	Spoof Call Detection in Telephone Network In force Term ends Mar 17, 2040 · High confidence	In force	Term ends Mar 17, 2040	High confidence

Also on record, not counted in the 10: 2 patents in force now held by others · 9 lapsed for an unpaid fee · 181 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.

4 abandoned · 2 no status recorded

List them