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Maintenance fees coming due

WestRock Shared Services, LLC

38 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Nov 23, 2026. Unpaid by May 24, 2027, that one lapses early.
A maintenance fee does not end a patent on its due date. It falls due at 3.5, 7.5 and 11.5 years from grant, and the patent lapses only if the fee is still unpaid at the end of the six month grace period that follows.
PatentTitleHolderStatusFee dueLapses if unpaidExpiresConfidence
US 11,655,065Shippers with Air Cells
In force
Fee due Nov 23, 2026
Lapses if unpaid May 24, 2027
 · High confidence
WestRock Shared Services, LLCIn forceNov 23, 2026May 24, 2027High confidence
US 11,655,066Retail Ready Containers
In force
Fee due Nov 23, 2026
Lapses if unpaid May 24, 2027
 · High confidence
WestRock Shared Services, LLCIn forceNov 23, 2026May 24, 2027High confidence
US 9,038,884Carton with Opening and Reclosing Feature
In force
Fee due Nov 26, 2026
Lapses if unpaid May 26, 2027
 · High confidence
WestRock Shared Services, LLCIn forceNov 26, 2026May 26, 2027High confidence
US 10,312,731Powered Shelf System for Inductively Powering Electrical Components of Consumer Product Packages
In force
Fee due Dec 4, 2026
Lapses if unpaid Jun 4, 2027
 · High confidence
WestRock Shared Services, LLCIn forceDec 4, 2026Jun 4, 2027High confidence
US 9,061,786Blank of Sheet Material and Methods and Apparatus for Forming a Container from the Blank
In force
Fee due Dec 23, 2026
Lapses if unpaid Jun 23, 2027
 · High confidence
WestRock Shared Services, LLCIn forceDec 23, 2026Jun 23, 2027High confidence
US 9,061,792Reinforced Polygonal Containers and Blanks for Making the Same
In force
Fee due Dec 23, 2026
Lapses if unpaid Jun 23, 2027
 · High confidence
WestRock Shared Services, LLCIn forceDec 23, 2026Jun 23, 2027High confidence
US 10,336,049Method for Forming a Heat-Reflective Blank and Container
In force
Fee due Jan 2, 2027
Lapses if unpaid Jul 2, 2027
 · High confidence
WestRock Shared Services, LLCIn forceJan 2, 2027Jul 2, 2027High confidence
US 10,336,501Polygonal Containers Having a Locking Bottom and Blanks and Methods for Forming the Same
In force
Fee due Jan 2, 2027
Lapses if unpaid Jul 2, 2027
 · High confidence
WestRock Shared Services, LLCIn forceJan 2, 2027Jul 2, 2027High confidence
US 9,073,659Reinforced Polygonal Containers and Blanks of Sheet Material for Making the Same
In force
Fee due Jan 7, 2027
Lapses if unpaid Jul 7, 2027
 · Medium confidence
WestRock Shared Services, LLCIn forceJan 7, 2027Jul 7, 2027Medium confidence
US 9,073,661Polygonal Container and Blank for Making the Same
In force
Fee due Jan 7, 2027
Lapses if unpaid Jul 7, 2027
 · High confidence
WestRock Shared Services, LLCIn forceJan 7, 2027Jul 7, 2027High confidence
28 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro
10 of 38 patents shown. Soonest fee due date first, then patent number.
Pro members see every patent with a maintenance fee coming due: number, title, status, the due date, and the date it lapses if the fee goes unpaid through the grace period.
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Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
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