Terms ending in 2031

Sonoco Development, Inc.

Every in-force patent on Sonoco Development, Inc.'s record whose computed term ends in 2031, whoever holds it now. Soonest term end first, then patent number.

Patent	Title	Holder	Status	Expires	Confidence
US 8,297,492	Corner Reinforcement Sonoco Development, Inc. In force Term ends Jan 1, 2031 · High confidence	Sonoco Development, Inc.	In force	Term ends Jan 1, 2031	High confidence
US 8,272,591	Breakdown Spool Sonoco Development, Inc. In force Term ends Jan 24, 2031 · High confidence	Sonoco Development, Inc.	In force	Term ends Jan 24, 2031	High confidence
US 8,333,288	Child Resistant Container Having Cap and Locking Ring Sonoco Development, Inc. In force Term ends Mar 18, 2031 · High confidence	Sonoco Development, Inc.	In force	Term ends Mar 18, 2031	High confidence
US 9,321,549	Biopolymer Roll Stock for Form- Fill- Sealed Article Toppan Packaging Americas Holdings, Inc. In force Term ends Mar 22, 2031 · High confidence	Toppan Packaging Americas Holdings, Inc.	In force	Term ends Mar 22, 2031	High confidence
US 10,351,701	Additive for Performance Enhancement of Biopolymer Articles Toppan Packaging Americas Holdings, Inc. In force Term ends Mar 22, 2031 · High confidence	Toppan Packaging Americas Holdings, Inc.	In force	Term ends Mar 22, 2031	High confidence
US 10,377,896	Biopolymer Roll Stock for Form- Fill- Sealed Article Toppan Packaging Americas Holdings, Inc. In force Term ends Mar 22, 2031 · High confidence	Toppan Packaging Americas Holdings, Inc.	In force	Term ends Mar 22, 2031	High confidence
US 9,944,426	Paper-Based Composite Container for Off-Gassing Products, and Method for Making Same Sonoco Development, Inc. In force Term ends Mar 25, 2031 · High confidence	Sonoco Development, Inc.	In force	Term ends Mar 25, 2031	High confidence
US 10,329,044	Paper-Based Composite Container for Off-Gassing Products, and Method for Making Same Sonoco Development, Inc. In force Term ends Mar 25, 2031 · High confidence	Sonoco Development, Inc.	In force	Term ends Mar 25, 2031	High confidence
US 12,227,335	Paper-Based Composite Container for Off-Gassing Products, and Method for Making Same Sonoco Development, Inc. In force Term ends Mar 25, 2031 · High confidence	Sonoco Development, Inc.	In force	Term ends Mar 25, 2031	High confidence
US 8,646,140	Paper Ramp Sonoco Development, Inc. In force Term ends Apr 18, 2031 · High confidence	Sonoco Development, Inc.	In force	Term ends Apr 18, 2031	High confidence
25 more term ends in 2031 · Pro

10 of 35 patents shown. Soonest term end first, then patent number.

Pro members see all 35.

Upgrade to Pro

23 of these are in force and held by Sonoco Development, Inc..

Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.