Invalidity dossier

US 11413380

Breast pump system

Current assignee: Shenzhen Root Technology Co., Ltd., Hong Kong Lute Technology Co., Limited, Shenzhen Conglin E-Commerce Co., Ltd., Shenzhen Root E-Commerce Co., Ltd. (now Shenzhen Yuyou Technology Co., Ltd.), Shenzhen Lutejiacheng Network Technology Co., Ltd. (now Shenzhen Lute Innovation Technology Co., Ltd.), Shenzhen TPH Technology Co., Ltd., Shenzhen Jinruihang Technology Co., Ltd., Shenzhen Xitao Network Technology Co., Ltd.

Added 9/25/2026, 6:46:32 PM

At a glanceNo PTAB challenges1 lawsuit on fileasserted by Shenzhen Root Technology Co., Ltd. +7

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Patent summary

Title, assignee, inventors, filing/issue dates, abstract, and a plain-language overview of the claims.

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Cases on file (1)

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Specific litigation cases in our database that name US patent 11413380. The free-form analysis below may also discuss cases beyond this list.

Shenzhen Root Technology Co., Ltd. et al. v. Chiaro Technology, Ltd. d/b/a Elviefiled Apr 28, 2023
2:23-cv-00631-KKEU.S. District Court for the Western District of Washington, Seattle Divisionterminated Jan 5, 2026dismissed with prejudice (consent judgment of non-infringement)
Defendants: Chiaro Technology, Ltd. d/b/a Elvie
Other patents asserted: 11806454, 11357893, 11813381

Litigation summary

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Proceedings on file (0)

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AIA trial proceedings (IPR / PGR / CBM) filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced from the USPTO Open Data Portal and refreshed every six hours; each proceeding number deep-links to the PTAB E2E docket.

No PTAB proceedings on file. This patent has not been challenged via IPR, PGR, or CBM. The absence is itself a signal — well-asserted patents eventually attract IPRs. The LLM analysis below may surface filings the ODP feed hasn’t indexed yet.

PTAB challenges

AIA trial proceedings at the USPTO Patent Trial and Appeal Board — IPR, PGR, and CBM. Petitioners, judge panels, claim-level invalidation outcomes from Final Written Decisions, and Federal Circuit appeals. The single most important defensive datapoint after litigation history.

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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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Prior art

Earlier patents, publications, and products that may anticipate or render the claims unpatentable.

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Obviousness

Combinations of prior art that suggest the claimed invention would have been obvious under 35 U.S.C. § 103.

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Extensions

Patent term adjustments, term extensions, continuations, divisionals, family members, and expiration dates.

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Derivative works

Defensive disclosure: derivative variations of each claim designed to render future incremental improvements obvious or non-novel.

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More patents asserted by Shenzhen Root Technology Co., Ltd.

This patent in court (1)

1 tracked lawsuit name US 11413380.