Paradigm Flow Services Limited

11 patents currently held · Updated Nov 15, 2026

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

Ending by 2030

Mar 2031

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 Dec 27, 2026
The maintenance fee for Coiled Tubing System (US 11,686,165) comes due Dec 27, 2026. Unpaid by Jun 28, 2027, it lapses early.
1 fee due Feb 15, 2027
The maintenance fee for Fluid discharge apparatus and method of use (US 11,725,480) comes due Feb 15, 2027. Unpaid by Aug 16, 2027, it lapses early.
1 fee due Apr 22, 2027
The maintenance fee for Water deluge system testing apparatus and method (US 10,451,457) comes due Apr 22, 2027. Unpaid by Oct 22, 2027, it lapses early.
1 fee due Jul 16, 2027
The maintenance fee for Method and apparatus for cleaning fluid conduits (US 11,872,607) comes due Jul 16, 2027. Unpaid by Jan 18, 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 8,999,070	Blockage Removal Apparatus and Method In force Term ends Mar 25, 2031 · High confidence	In force	Term ends Mar 25, 2031	High confidence
US 10,981,201	Method and apparatus for cleaning fluid conduits In force Term ends Apr 12, 2032 · From the USPTO record	In force	Term ends Apr 12, 2032	From the USPTO record
US 11,872,607	Method and apparatus for cleaning fluid conduits In force Term ends Jun 11, 2032 · From the USPTO record	In force	Term ends Jun 11, 2032	From the USPTO record
US 9,993,854	Apparatus and method for treating subsea fluid conduits In force Term ends Apr 7, 2035 · From the USPTO record	In force	Term ends Apr 7, 2035	From the USPTO record
US 10,451,457	Water deluge system testing apparatus and method In force Term ends Nov 9, 2035 · From the USPTO record	In force	Term ends Nov 9, 2035	From the USPTO record
US 11,041,368	Method and apparatus for performing operations in fluid conduits In force Term ends Nov 28, 2036 · From the USPTO record	In force	Term ends Nov 28, 2036	From the USPTO record
US 11,725,480	Fluid discharge apparatus and method of use In force Term ends Jul 15, 2037 · From the USPTO record	In force	Term ends Jul 15, 2037	From the USPTO record
US 11,686,165	Coiled Tubing System In force Term ends Aug 28, 2039 · High confidence	In force	Term ends Aug 28, 2039	High confidence
US 12,544,611	Method and Apparatus for Testing a Tunnel Fire Suppression System In force Term ends Jun 20, 2042 · High confidence	In force	Term ends Jun 20, 2042	High confidence
US 12,599,941	Clean Head, System and Method for Use in Cleaning a Fluid Conduit In force Term ends Jun 28, 2042 · High confidence	In force	Term ends Jun 28, 2042	High confidence

10 of 11 patents shown.

Pro members see all 11.

Pro members: see all 11 patents

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.

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