The Patent Finder

Primapak, LLC

57 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.
28
Ending by 2030
Aug 2028
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 Apr 20, 2027
    The maintenance fee for Flexible, Stackable Container and Method and System for Manufacturing the Same (US 9,162,786) comes due Apr 20, 2027. Unpaid by Oct 20, 2027, it lapses early.
  • 1 fee due Jul 14, 2027
    The maintenance fee for Flexible Material for Flexible Package (US 10,532,855) comes due Jul 14, 2027. Unpaid by Jan 14, 2028, 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.
PatentTitleStatus Expires Confidence
US 8,602,244Flexible, Stackable Sealed Package Having Corner Seals and Formed from a Sheet of Film
In force
 · High confidence
In forceHigh confidence
US 9,162,786Flexible, Stackable Container and Method and System for Manufacturing the Same
In force
 · High confidence
In forceHigh confidence
US D715,643Package
In force
 · High confidence
In forceHigh confidence
US D725,467Package
In force
 · High confidence
In forceHigh confidence
US D726,535Package
In force
 · High confidence
In forceHigh confidence
US D730,725Package
In force
 · Medium confidence
In forceMedium confidence
US D733,549Package
In force
 · High confidence
In forceHigh confidence
US D734,144Package
In force
 · High confidence
In forceHigh confidence
US 8,066,137Flexible, Stackable Container Including a Lid and Package Body Folded from a Single Sheet of Film
In force
 · High confidence
In forceHigh confidence
US 8,231,024Flexible, Stackable Container and Method and System for Manufacturing Same
In force
 · Medium confidence
In forceMedium confidence
10 of 57 patents shown.
Pro members see all 57.
Pro members: see all 57 patents
Also on record, not counted in the 57: 3 patents in force now held by others · 5 lapsed for an unpaid fee · 4 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

Every application published under this name has become a patent.

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