The Patent Finder

Alchimer

15 patents currently held · Updated Nov 14, 2026
4 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.
7
Ending by 2030
Feb 2027
Next term end

When these terms end

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 Mar 15, 2027
    The maintenance fee for Electroplating composition for coating a substrate surface with a metal (US 9,133,560) comes due Mar 15, 2027. Unpaid by Sep 15, 2027, it lapses early.
  • 1 fee due Apr 29, 2027
    The maintenance fee for Machine suitable for plating a cavity of a semi-conductive or conductive substrate such as a through via structure (US 10,460,945) comes due Apr 29, 2027. Unpaid by Oct 29, 2027, it lapses early.
  • 3 fees due May 10 to 17, 2027 · next May 10

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.
PatentTitleStatus Expires Confidence
US 7,579,274Method and compositions for direct copper plating and filing to form interconnects in the fabrication of semiconductor devices
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,851,466Formation of organic electro-grafted films on the surface of electrically conductive or semi-conductive surfaces
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,574,418Electroplating method for coating a substrate surface with a metal
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,133,560Electroplating composition for coating a substrate surface with a metal
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,405,217Coating method and solutions for enhanced electromigration resistance
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,795,503Device and method to conduct an electrochemical reaction on a surface of a semi-conductor substrate
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,591,715Electrodeposition composition and method for coating a semiconductor substrate using the said composition
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,883,641Solution and method for activating the oxidized surface of a semiconductor substrate
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,190,283Method of depositing metallic layers based on nickel or cobalt on a semiconducting solid substrate; kit for application of said method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,368,397Method for forming a vertical electrical connection in a layered semiconductor structure
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 15 patents shown.
Pro members see all 15.
Pro members: see all 15 patents
Also on record, not counted in the 15: 4 patents in force now held by others · 8 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.

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.

3 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited