David and Raymond Patent Firm
Patent reexamination counsel·3 ex parte reexams
David and Raymond Patent Firm has served as patent-owner counsel in 3 USPTO ex parte reexaminations. The firm most often represents Shenzhen Riitek Technology Co. Ltd. and Shenzhen Hojiehua Tehnology Co. Ltd.. 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 |
|---|---|---|---|---|---|
| 90/014,753 | May 26, 2021 | D803,216 | Mini Keyboard | Shenzhen Hojiehua Tehnology Co. Ltd. | Closed |
| 90/014,158 | Jun 26, 2018 | D807,886 | KEYBOARD | Shenzhen Riitek Technology Co. Ltd. | Closed |
| 90/013,867 | Nov 30, 2016 | D729,802 | MINI KEYBOARD | Shenzhen Riitek Technology Co. Ltd. | Closed |
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