Paper Filler Composition

Fiberlean Technologies Limited

A patent family: one line of work, grouped by real continuity rather than by a technology label inferred from titles. 4 of these applications claim priority to application PCT/GB2010/000982, filed May 17, 2010. A shared origin can cover several different claimed inventions, which is why members here may not share a title. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.

Patent	Title	Holder	Status	Expires	Time remaining	Confidence
US 8,231,764	Paper Filler Method Fiberlean Technologies Limited In force Ends no later than May 17, 2030 · Medium confidence	Fiberlean Technologies Limited	In force	Ends no later than May 17, 2030	Ends no later than May 17, 2030	Medium confidence
US 11,732,411	Paper Filler Composition Fiberlean Technologies Limited In force Term ends May 17, 2030 · Medium confidence	Fiberlean Technologies Limited	In force	Term ends May 17, 2030	Term ends May 17, 2030	Medium confidence
US 11,970,817	Paper Filler Composition Fiberlean Technologies Limited In force Ends no later than May 17, 2030 · Medium confidence	Fiberlean Technologies Limited	In force	Ends no later than May 17, 2030	Ends no later than May 17, 2030	Medium confidence
US 9,127,405	Paper Filler Composition Fiberlean Technologies Limited In force Term ends Nov 2, 2030 · High confidence	Fiberlean Technologies Limited	In force	Term ends Nov 2, 2030	Term ends Nov 2, 2030	High confidence
US 11,162,219	Paper Filler Composition Fiberlean Technologies Limited Lapsed Nov 2, 2025 on the fee record Ended Nov 2, 2025 · Medium confidence	Fiberlean Technologies Limited	Lapsed Nov 2, 2025 on the fee record	Ended Nov 2, 2025	Ended Nov 2, 2025	Medium confidence
US 11,377,791	Paper Filler Composition Fiberlean Technologies Limited Lapsed Jul 5, 2026 on the fee record Ended Jul 5, 2026 · High confidence	Fiberlean Technologies Limited	Lapsed Jul 5, 2026 on the fee record	Ended Jul 5, 2026	Ended Jul 5, 2026	High confidence
US 10,100,464	Paper Filler Composition Fiberlean Technologies Limited Lapsed Oct 16, 2026 on the fee record Ended Oct 16, 2026 · Low confidence	Fiberlean Technologies Limited	Lapsed Oct 16, 2026 on the fee record	Ended Oct 16, 2026	Ended Oct 16, 2026	Low confidence
Application 18/619,339	Paper Filler Composition Fiberlean Technologies Limited Abandoned Abandoned Aug 18, 2025	Fiberlean Technologies Limited	Abandoned	Abandoned Aug 18, 2025	not computed

8 of 8 records shown. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.

4 of these are in force and held by Fiberlean Technologies Limited.

Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

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