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Datian Jianchang Trading v. Goodegg Stuff | Patent Lawsuit 2:25-cv-02585

Datian Jianchang Trading Co Ltd v. Goodegg Stuff LLC

2:25-cv-02585 W.D. Wash. Closed US12453337B2
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Infringement action filed 16 Dec 2025 in the United States District Court for the Western District of Washington and closed 4 May 2026, with US12453337B2 asserted. Recorded basis of termination: voluntary dismissal.

Case recordPatsnap Litigation Data·

Case record

Patent involved
US12453337B2
Application no.
US18/396595
Case no.
2:25-cv-02585
Verdict cause
Infringement action
Court
W.D. Wash.
Court level
District Court
Case region
Washington
Chief judge
Jamal N Whitehead
Trial level
First instance
Filed – Closed
16 Dec 2025 – 4 May 2026
Duration
139 days
Basis of termination
Voluntary dismissal
Products & marks
Egg Washer products
Validity challenges
None recorded
Source: Patsnap Litigation Data. Case 2:25-cv-02585, United States District Court for the Western District of Washington. Open this record in Eureka
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Patent at issue
US12453337B2 Active App. US18/396595

Apparatus and method for egg washing brush

Disclosed herein is an egg washing brush apparatus to clean an individual egg, the apparatus comprising a deformable half egg-shaped shell comprising a plurality of bristle bands, a plurality of protrusions extending inward from the bristle bands and configured to contact an egg, and at least one drainage window in the half egg-shaped shell.

Read claims and description in Eureka
Patent standing
Legal status
Active
Granted
28 Oct 2025
Earliest priority
11 Apr 2023
Est. expiry
18 Mar 2044
Validity challenges
None recorded
Licences recorded
None recorded
Classification
A01K43/00A46B9/02A46B15/00A46D1/00
Prosecution counsel
Kunzler Needham Hilton
Examiner
CAMPBELL, NATASHA N
US12453337B2 patent drawing, figure 1
Fig. 1
US12453337B2 patent drawing, figure 2
Fig. 2
Source: Patsnap patent data + case record. Bibliographic fields and drawings reproduced from the published patent document. Break down the claims
Parties & counsel

Parties of record

Counsel of record

Source: case record + Patsnap company data. Attorney names appear as recorded in the docket. Compare both portfolios
Outcome

Basis of termination

From the record · verbatim

“Pursuant to Fed. R. Civ. P. 41(a)(1)(A)(i), Plaintiff Datian Jianchang Trading Co Ltd., by and through its undersigned counsel, hereby voluntarily dismisses without prejudice all claims in this action against Defendant Goodegg Stuff LLC. Defendant Goodegg Stuff LLC has not served an answer or a motion for summary judgment, and Plaintiff has not previously dismissed any federal- or state-court action against Defendant Goodegg Stuff LLC based on or including the same claims.”

Case 2:25-cv-02585 · W.D. Wash. · closed 4 May 2026
Source: case record, verbatim. The quoted paragraph is the basis-of-termination text as filed.

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Three questions this record usually leads to. Each one runs against the full litigation and patent corpus, and cites what it finds.

FAQ

Frequently asked questions

What is case 2:25-cv-02585?

2:25-cv-02585 is a patent infringement action brought by Datian Jianchang Trading Co Ltd against Goodegg Stuff LLC, filed on 16 Dec 2025 in the United States District Court for the Western District of Washington. The case closed on 4 May 2026.

Which patent was asserted in 2:25-cv-02585?

US12453337B2 (“Apparatus and method for egg washing brush”), assigned to GOODEGG STUFF LLC, currently active. The record also lists Egg Washer products.

How was case 2:25-cv-02585 terminated?

The recorded basis of termination is voluntary dismissal. The termination text reads: “Pursuant to Fed. R. Civ. P. 41(a)(1)(A)(i), Plaintiff Datian Jianchang Trading Co Ltd., by and through its undersigned counsel, hereby voluntarily dismisses without prejudice all claims in this action against Defendant Goodegg Stuff LLC. Defendant Goodegg Stuff LLC has not served an answer or a motion for summary judgment, and Plaintiff has not previously dismissed any federal- or state-court action against Defendant Goodegg Stuff LLC based on or including the same claims.”

What does dismissal without prejudice mean?

A dismissal without prejudice ends this action but leaves the claims alive — the plaintiff may file them again later, subject to the limitation period.

How long did case 2:25-cv-02585 take?

139 calendar days, from filing on 16 Dec 2025 to closure on 4 May 2026.

Who were the attorneys and the judge in 2:25-cv-02585?

Chief Judge Jamal N Whitehead presided. Ruoting Men is recorded as counsel for plaintiff Datian Jianchang Trading. Beth E Terrell appears for defendant Goodegg Stuff.

Answers reproduce fields from the case record for 2:25-cv-02585 and do not constitute legal advice. Ask your own question

Disclaimer. This page reproduces publicly available court docket data for case 2:25-cv-02585 and is provided for general information and reference only. It is not legal advice and must not be relied upon as such.

Docket data has limits. Records are drawn from a snapshot and may lag the live docket. Sealed filings, amended complaints, counterclaims and post-closure motions may not be reflected. Party names, attorney names and firm affiliations are reproduced as recorded and may contain omissions. Where a field is absent from the record, this page marks it as not recorded rather than inferring a value.

No characterisation of the parties or the outcome. This page reports what the record contains. Nothing here should be read as an assertion that any party infringed, that any patent is valid or invalid, that any settlement occurred, or that any party prevailed.

No FTO or validity opinion. Nothing on this page constitutes a freedom-to-operate, novelty, validity or infringement opinion. Any decision touching a live patent dispute should be verified independently and reviewed with qualified patent counsel.

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