Christensen, Fonder, Dardi & Herbert, PLLC
Patent reexamination counsel·4 ex parte reexams
Christensen, Fonder, Dardi & Herbert, PLLC has served as patent-owner counsel in 4 USPTO ex parte reexaminations. The firm most often represents Willis Electric Co. Ltd. and C3 Nano Inc.. 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 (4)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/019,136 | Nov 30, 2022 | 11,343,911 | FORMABLE TRANSPARENT CONDUCTIVE FILMS WITH METAL NANOWIRES | C3 Nano Inc. | Closed |
| 90/020,074 | Jul 14, 2014 | 8,454,187 | MODULAR LIGHTED TREE | Willis Electric Co. Ltd. | Closed |
| 90/020,073 | Jul 7, 2014 | 8,454,186 | MODULAR LIGHTED TREE WITH TRUNK ELECTICAL CONNECTORS | Willis Electric Co. Ltd. | Closed |
| 90/012,123 | Feb 1, 2012 | 6,775,873 | APPARATUS FOR REMOVING HAIR FROM A DRAIN | — | Closed |
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