Leason Ellis, LLP
Patent reexamination counsel·3 ex parte reexams
Leason Ellis, LLP has served as patent-owner counsel in 3 USPTO ex parte reexaminations, with 1 currently open. The firm most often represents Tracer Imaging LLC, Kittrich Corporation, and Wacoal Corp.. ExamPat indexes the full prosecution record for each proceeding, including office-action grounds, certificate outcomes, and downstream PTAB and Federal Circuit decisions.
Filings by year
Top patent owners represented
Outcome track record
How this firm's reexams resolve once a certificate issues: all claims confirmed, amended, mixed, or canceled.
- Certificate outcome split across every bucket
- Share of proceedings where claims survived
Practice metrics
Certificate rate, average pendency, and the open/closed split across the firm's full reexam docket.
- Certificate rate of closed proceedings
- Average pendency in months
Examiners & adversaries
Which examiners most often decide this firm's reexams, and which requesters most often challenge its patents.
- Most frequent examiners
- Top opposing requesters
Recent reexaminations (3)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/016,492 | Jul 23, 2026 | 12,108,889 | MAGNETIC FRAMING SYSTEM | Tracer Imaging LLC | Open |
| 90/013,521 | Jun 3, 2015 | 6,769,369 | MODULAR FURNITURE SYSTEM | Kittrich Corporation | Closed |
| 90/012,917 | Aug 19, 2013 | 7,631,521 | GARMENT HAVING A WARP-KNITTED FABRIC | Wacoal Corp. | Closed |
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- Fish & Richardson, P.C.75 reexams · 16 pending
- Volpe Koenig55 reexams · 30 pending
- Lowenstein & Weatherwax, LLP51 reexams · 24 pending
- Nixon & Vanderhye, P.C.47 reexams · 7 pending
See the full reexam picture for Leason Ellis, LLP
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