The Patent Finder

Merck

6 patents currently held · Updated Nov 14, 2026
3 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.
3
Ending by 2030
Oct 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 3, 2027
    The maintenance fee for Biomolecule analyzer (US 10,401,322) comes due Mar 3, 2027. Unpaid by Sep 3, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 term has ended 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.

Showing 1 to 6 of 6

PatentTitleStatus Expires Confidence
US 7,884,107Substituted Piperidines That Increase P53 Activity and the Uses Thereof
In force
 · High confidence
In forceHigh confidence
US 7,964,077Automated Two-Dimensional Electrophoresis Apparatus and Instrument Constituting the Apparatus
In force
 · High confidence
In forceHigh confidence
US 8,500,981Electrophoresis Apparatus and Electrophoresis Method
In force
 · High confidence
In forceHigh confidence
US 10,191,010Transfer Membrane Retaining Jig and Separation-Transfer Device
In force
 · High confidence
In forceHigh confidence
US 10,401,322Biomolecule analyzer
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,921,285Sample separating implement and sample analyzing device
In force
 · From the USPTO record
In forceFrom the USPTO record
Also on record, not counted in the 6: 3 patents in force now held by others · 5 lapsed for an unpaid fee · 14 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.

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 abandoned · 4 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