Umicore

167 patents currently held · Updated Nov 14, 2026

13 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

Oct 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.

1 fee due Nov 30, 2026
The maintenance fee for Recovery of nickel and cobalt from Li-ion batteries or their waste (US 11,661,638) comes due Nov 30, 2026. Unpaid by Jun 1, 2027, it lapses early.
7 fees due Dec 6 to 27, 2026 · next Dec 6
2 fees due Jan 2 to 4, 2027 · next Jan 2
1 fee due Mar 10, 2027
The maintenance fee for Impurity containing cathode material with preferred morphology and method to prepare from impurity containing metal carbonate (US 10,411,258) comes due Mar 10, 2027. Unpaid by Sep 10, 2027, it lapses early.
4 fees due Apr 3 to 30, 2027 · next Apr 3
5 fees due May 3 to 26, 2027 · next May 3
2 fees due Jun 15 to 19, 2027 · next Jun 15
2 fees due Jul 23 to 28, 2027 · next Jul 23
3 fees due Aug 2 to 27, 2027 · next Aug 2
3 fees due Sep 5 to 24, 2027 · next Sep 5
3 fees due Oct 2 to 28, 2027 · next Oct 2
1 fee due Nov 5, 2027
The maintenance fee for Precursor and method for preparing Li transition metal oxide cathodes for rechargeable batteries (US 10,644,312) comes due Nov 5, 2027. Unpaid by May 5, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

4 of the patents on this record were granted 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 7,905,941	Recovery of non-ferrous metals from by-products of the zinc and lead industry using electric smelting with submerged plasma In force Term ends Oct 18, 2027 · From the USPTO record	In force	Term ends Oct 18, 2027	From the USPTO record
US 8,066,916	Synthesis of Crystalline Nanometric LIFEMPO4 In force Term ends Nov 19, 2027 · High confidence	In force	Term ends Nov 19, 2027	High confidence
US 8,105,508	Synthesis of crystalline nanometric LiFeMPO4 In force Term ends Nov 19, 2027 · From the USPTO record	In force	Term ends Nov 19, 2027	From the USPTO record
US 9,608,266	Cathode material for lithium-ion rechargeable batteries In force Term ends Jan 17, 2028 · From the USPTO record	In force	Term ends Jan 17, 2028	From the USPTO record
US 9,614,220	Doped and island-covered lithium cobaltite oxides In force Term ends Jan 17, 2028 · From the USPTO record	In force	Term ends Jan 17, 2028	From the USPTO record
US 8,147,793	Process for the manufacture of nano-sized powders In force Term ends Feb 20, 2028 · From the USPTO record	In force	Term ends Feb 20, 2028	From the USPTO record
US 8,608,987	High density lithium cobalt oxide for rechargeable batteries In force Ends no later than Jun 10, 2028 · From the USPTO record	In force	Ends no later than Jun 10, 2028	From the USPTO record
US 9,352,977	Powered compounds, method for the production thereof, and use thereof in lithium secondary batteries In force Term ends Jul 23, 2028 · From the USPTO record	In force	Term ends Jul 23, 2028	From the USPTO record
US 9,177,689	High density and high voltage stable cathode materials for secondary batteries In force Term ends Mar 3, 2029 · From the USPTO record	In force	Term ends Mar 3, 2029	From the USPTO record
US 9,954,227	Crystalline Nanometric LIFEPO4 In force Term ends Mar 25, 2029 · High confidence	In force	Term ends Mar 25, 2029	High confidence

10 of 167 patents shown.

Pro members see all 167.

Pro members: see all 167 patents

Also on record, not counted in the 167: 13 patents in force now held by others · 20 lapsed for an unpaid fee · 34 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.

51 pending · 5 abandoned · 26 no status recorded

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