Eyeglasses
- Legal status
- Active
- Granted
- 10 Nov 2020
- Est. expiry
- 10 Nov 2035
- Validity challenges
- None recorded
- Licences recorded
- None recorded
- Inventors
- ZHANG, SHUANGXI
- Prosecution counsel
- KA Filing LLC
- Examiner
- KIRSCHBAUM, GEORGE D.
Infringement action filed 19 Mar 2026 in the United States Court of Appeals for the Federal Circuit and closed 1 Jun 2026, with USD901581S asserted. Recorded basis of termination: appeal dismissed.
Prior art, claim scope, infringement exposure and design-around routes. Every answer cites the records behind it.
Get an FTO claim chart
| Attorney | For | Role |
|---|---|---|
| Qianwu Yang | Shuangxi Zhang | Plaintiff |
From the record · verbatim"The parties having so agreed, it is ordered that:(1) The proceeding is DISMISSED under Fed. R. App. P. 42 (b). (2) Each side shall bear their own costs."
Case 26-1539 · Fed. Cir. · closed 1 June 2026
Three questions this record usually leads to. Each one runs against the full litigation and patent corpus, and cites what it finds.
26-1539 is a patent infringement action brought by Shuangxi Zhang against The Individuals, Corporations, Limited Liability Companies, Partnerships, and Unincorporated Associations Identified On Schedule A, filed on 19 Mar 2026 in the United States Court of Appeals for the Federal Circuit. The case closed on 1 June 2026.
USD901581S (“Eyeglasses”), assigned to ZHANG, SHUANGXI, currently active. The record also lists Eyeglasses.
The recorded basis of termination is appeal dismissed. The termination text reads: "The parties having so agreed, it is ordered that:(1) The proceeding is DISMISSED under Fed. R. App. P. 42 (b). (2) Each side shall bear their own costs."
74 calendar days, from filing on 19 Mar 2026 to closure on 1 June 2026.
Qianwu Yang is recorded as counsel for plaintiff Shuangxi Zhang.
Disclaimer. This page reproduces publicly available court docket data for case 26-1539 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.
Help us improve
Something wrong, out of date, or missing on this page? Tell us and it goes straight to the team that maintains it.
This page