The Patent Finder

Merck KGaA

15 patents currently held · Updated Nov 15, 2026
131 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.
2
Ending by 2030
Aug 2027
Next term end

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

No maintenance fee falls due on this company's record before Nov 15, 2027.

Recent changes

  • 6 terms have ended since Aug 17, 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.
PatentTitleStatus Expires Confidence
US 11,208,496ANTI-CD19 Antibodies with Reduced Immunogenicity
In force
 · High confidence
In forceHigh confidence
US 8,999,521Materials for Organic Electroluminescent Devices
In force
 · High confidence
In forceHigh confidence
US 8,691,952Anti-CD19 antibodies with reduced immunogenicity
In force
 · High confidence
In forceHigh confidence
US D818,526Typeface
In force
 · From the USPTO record
In forceFrom the USPTO record
US D893,998Packaging
In force
 · High confidence
In forceHigh confidence
US D893,999Packaging
In force
 · High confidence
In forceHigh confidence
US D902,710Packaging
In force
 · High confidence
In forceHigh confidence
US D922,197Packaging
In force
 · High confidence
In forceHigh confidence
US D942,268Packaging
In force
 · High confidence
In forceHigh confidence
US D951,352Label
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: 131 patents in force now held by others · 62 lapsed for an unpaid fee · 54 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.

4 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited