Shenzhen Yilv Technology Co Ltd v. Hong Kong Xingtai International Trade Co Limited
Infringement action filed 13 Nov 2025 in the United States District Court for the Western District of Washington and closed 31 Mar 2026, with US7819545B2 asserted. Recorded basis of termination: dismissed without prejudice.
Case record
- Patent involved
- US7819545B2
- Application no.
- US12/218205
- Case no.
- 2:25-cv-02261
- Verdict cause
- Infringement action
- Court
- W.D. Wash.
- Court level
- District Court
- Case region
- Washington
- Chief judge
- John H. Chun
- Trial level
- First instance
- Filed – Closed
- 13 Nov 2025 – 31 Mar 2026
- Duration
- 138 days
- Basis of termination
- Dismissed without Prejudice
- Products & marks
- Outdoor solar decorative lights
- Validity challenges
- None recorded
Check this patent against your own product
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- 02Claim-level comparisonAgainst your own product
- 03Legal statusAcross 174 jurisdictions
Outdoor solar decorative lights
An outdoor solar powered decorative lighting system includes a light string having a plurality of light bulbs evenly spaced along the length of the string and being electrically connected to a roof mounted solar collector having one or more solar panels or cells for collecting sunlight—radiant energy—from the sun and which is then conveyed to a rechargeable battery enclosed within the solar collector for discharge to provide the power to illuminate the light bulbs and thus create the decorative lighting effect with the solar collector including a switch to automatically turn the light bulbs on at dusk and to switch the light bulbs off at the following sunrise.
- Legal status
- Active
- Granted
- 26 Oct 2010
- Est. expiry
- 26 Feb 2029
- Validity challenges
- None recorded
- Licences recorded
- None recorded
- Inventors
- PONAMAR, GWENDOLYN R.
- Classification
- F21L4/00
- Prosecution counsel
- Ethics Archery, LLC
- Examiner
- TRUONG, BAO Q
Parties of record
Shenzhen Yilv Technology Co Ltd
- Core tech
- Not recorded
- Counsel
- Ruoting Men
- Firm
- Glacier Law LLP
Hong Kong Xingtai International Trade Co Limited
- Core tech
- Not recorded
- Counsel
- Glyn E Lewis
- Firm
- Law Office of Glyn E. Lewis
Counsel of record
| Attorney | For | Role |
|---|---|---|
| Ruoting Men | Shenzhen Yilv Technology Co Ltd | Plaintiff |
| Glyn E Lewis | Hong Kong Xingtai International Trade Co Limited | Defendant |
Basis of termination
From the record · verbatim“For the reasons above, the Court GRANTS Defendant’s motion to dismiss (Dkt. # 11) and DISMISSES this matter without prejudice. If Defendant seeks to circumvent the covenant in bad faith, Plaintiff may ask that the Court reopen the case and may request sanctions if appropriate.”
Case 2:25-cv-02261 · W.D. Wash. · closed 31 March 2026
Related cases
Three questions this record usually leads to. Each one runs against the full litigation and patent corpus, and cites what it finds.
Frequently asked questions
What is case 2:25-cv-02261?
2:25-cv-02261 is a patent infringement action brought by Shenzhen Yilv Technology Co Ltd against Hong Kong Xingtai International Trade Co Limited, filed on 13 Nov 2025 in the United States District Court for the Western District of Washington. The case closed on 31 March 2026.
Which patent was asserted in 2:25-cv-02261?
US7819545B2 (“Outdoor solar decorative lights”), assigned to OCCUSENSE LLC, currently active. The record also lists Outdoor solar decorative lights.
How was case 2:25-cv-02261 terminated?
The recorded basis of termination is dismissed without prejudice. The termination text reads: “For the reasons above, the Court GRANTS Defendant’s motion to dismiss (Dkt. # 11) and DISMISSES this matter without prejudice. If Defendant seeks to circumvent the covenant in bad faith, Plaintiff may ask that the Court reopen the case and may request sanctions if appropriate.”
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-02261 take?
138 calendar days, from filing on 13 Nov 2025 to closure on 31 March 2026.
Who were the attorneys and the judge in 2:25-cv-02261?
Chief Judge John H. Chun presided. Ruoting Men is recorded as counsel for plaintiff Shenzhen Yilv Technology. Glyn E Lewis appears for defendant Hong Kong Xingtai International Trade.
Disclaimer. This page reproduces publicly available court docket data for case 2:25-cv-02261 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.