Solugen, Inc.

13 patents currently held · Updated Nov 14, 2026

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

Ending by 2030

Feb 2036

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 Aug 13, 2027
The maintenance fee for Sulfide scavenging using biodegradable complexes (US 11,898,104) comes due Aug 13, 2027. Unpaid by Feb 14, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was 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 10,947,566	Hydrogen peroxide production method, system, and apparatus In force Term ends Feb 14, 2036 · From the USPTO record	In force	Term ends Feb 14, 2036	From the USPTO record
US 11,203,769	Hydrogen peroxide and gluconic acid production In force Term ends Mar 23, 2037 · From the USPTO record	In force	Term ends Mar 23, 2037	From the USPTO record
US 11,898,104	Sulfide scavenging using biodegradable complexes In force Term ends Apr 5, 2041 · From the USPTO record	In force	Term ends Apr 5, 2041	From the USPTO record
US 12,338,392	Compositions and methods for iron chelation In force Term ends Jun 14, 2041 · From the USPTO record	In force	Term ends Jun 14, 2041	From the USPTO record
US 12,319,869	Compositions and methods for reducing injection pressure in resource recovery operations In force Term ends Jul 17, 2041 · From the USPTO record	In force	Term ends Jul 17, 2041	From the USPTO record
US 12,235,253	Systems and methods for generating water treatment plans In force Term ends Dec 26, 2041 · From the USPTO record	In force	Term ends Dec 26, 2041	From the USPTO record
US 12,624,276	Compositions and Methods for the Dissolution of Iron Sulfide In force Term ends Apr 25, 2042 · High confidence	In force	Term ends Apr 25, 2042	High confidence
US 12,351,888	Compositions and methods for improved precious metal extraction from ore In force Term ends Sep 13, 2042 · From the USPTO record	In force	Term ends Sep 13, 2042	From the USPTO record
US 12,583,810	Trickle Bed Reactor In force Term ends Feb 1, 2043 · High confidence	In force	Term ends Feb 1, 2043	High confidence
US 12,624,311	Multifunctional Cleaner Comprising a Mixture of Biochelants and Methods of Making and Using Same In force Term ends Mar 3, 2043 · High confidence	In force	Term ends Mar 3, 2043	High confidence

10 of 13 patents shown.

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Pro members: see all 13 patents

Also on record, not counted in the 13: 1 lapsed for an unpaid fee. 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.

14 pending · 7 no status recorded

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