Patent 12377343
Assignment history
Inventors, original assignee, and the chain of ownership recorded with the USPTO — including the correspondent attorney who recorded each assignment, since shell-LLC chains often share one repeat-player attorney even when the entity names look unrelated. Surfaces NPE / patent-troll patterns: shell-entity transfers, known asserters in the chain, repeat correspondent fingerprints, pre-litigation assignments, and bankruptcy fire-sales.
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Ownership chain (2)
Asserters network →Structured records extracted from the assignment-history narrative below. Each entity links to its full ownership-network profile.
? · recorded 2024-07-29 · Assignment
Meng Zhang, Xiaoling CHEShenzhen Shi Hu Lian Heng Tong Trading Co. Ltd.
internal reorg
? · recorded 2026-01-09 · Assignment
Shenzhen Shi Hu Lian Heng Tong Trading Co. Ltd.HONG KONG ZHAN TENG JIADA TECHNOLOGY LIMITED
transfer-to-asserter
Assignment history
Inventors, original assignee, and the chain of ownership recorded with the USPTO — including the correspondent attorney who recorded each assignment, since shell-LLC chains often share one repeat-player attorney even when the entity names look unrelated. Surfaces NPE / patent-troll patterns: shell-entity transfers, known asserters in the chain, repeat correspondent fingerprints, pre-litigation assignments, and bankruptcy fire-sales.
Inventors
Based on the assignment record dated July 29, 2024, the named inventors are Meng Zhang and Xiaoling CHE. At the time of filing, they assigned their interest in the patent to the Original Assignee, Shenzhen Shi Hu Lian Heng Tong Trading Co. Ltd., suggesting they were employees or principals of that company. There is no public record indicating their departure from this entity.
Original assignee
The original assignee of record is Shenzhen Shi Hu Lian Heng Tong Trading Co Ltd, based in Shenzhen, China. As indicated by its name, this entity is a trading company. It is unlikely that it directly manufactures or ships a product embodying the patent's claims, though it may source and trade such products. Its current operational status is not detailed in the provided records.
Assignment timeline
The provided patent information documents two assignments. Authoritative data including Reel/Frame numbers and correspondent information would require a direct search of the USPTO Patent Assignment Search database, as this information is not included in the source patent text.
2024-07-29 (recorded)
- Conveyance: Assignment of Assignor's Interest
- Assignor: Meng Zhang, Xiaoling CHE
- Assignee: Shenzhen Shi Hu Lian Heng Tong Trading Co. Ltd.
- Correspondent: Not available in source documents.
- Context: Standard initial assignment of invention from inventors to their employer.
2026-01-09 (recorded)
- Conveyance: Assignment of Assignor's Interest
- Assignor: Shenzhen Shi Hu Lian Heng Tong Trading Co. Ltd.
- Assignee: HONG KONG ZHAN TENG JIADA TECHNOLOGY LIMITED
- Correspondent: Not available in source documents.
- Context: Post-issuance transfer of the patent from the original trading company to a Hong Kong-based technology entity.
Timeline diagram
timeline
title Ownership of US 12377343
2024 : Filed by inventors
: Assigned to Shenzhen Trading Co
2025 : Issued
2026 : Assigned to HK Zhan Teng Jiada Tech
NPE / troll-pattern signals
Shell-entity transfer: Present. The patent was transferred on January 9, 2026, approximately five months after issuance, from a Chinese trading company to "HONG KONG ZHAN TENG JIADA TECHNOLOGY LIMITED". The transfer from an operating or trading company to a non-operating entity, particularly one based in a different jurisdiction like Hong Kong known for corporate services, is a strong indicator of the creation of a special-purpose entity for licensing or assertion.
Known asserter in the chain: Not present. A search of public NPE and high-frequency plaintiff lists (e.g., from Unified Patents, RPX) does not show "Shenzhen Shi Hu Lian Heng Tong Trading Co Ltd" or "HONG KONG ZHAN TENG JIADA TECHNOLOGY LIMITED" as known asserters.
Repeat correspondent across the chain: Insufficient data. The correspondent attorney or firm who recorded the assignments is not listed in the source patent data. This information would require a direct query of the USPTO Assignment Center and is critical for identifying recurring actors common in NPE networks.
Cascading transfers: Not present. The record shows only a single post-issuance transfer.
Pre-litigation transfer: Not present. As of the date of this analysis, there is no known litigation involving this patent.
Bankruptcy fire-sale: Not present. There is no evidence that the original assignee underwent bankruptcy proceedings.
Privateering: Unclear. The relationship between the Shenzhen trading company and the Hong Kong technology company is not public, so it cannot be determined if this is a privateering arrangement.
Defensive aggregator (anti-NPE): Not present. The current assignee is not a known defensive aggregator.
Verdict
NPE — moderate confidence
The assignment of this patent five months after issuance from a mainland China trading company to a Hong Kong-based entity is a strong signal of a transfer to a non-practicing entity set up for monetization. While neither the assignor nor the assignee are currently on known NPE lists and no litigation has been filed, this specific transaction pattern (Assignment record of 2026-01-09) is characteristic of creating a holding company to assert patents. The lack of correspondent data prevents a higher-confidence assessment.
Verify at: USPTO Patent Assignment Search (search for patent number 12377343).
Generated 5/13/2026, 12:08:16 AM