Quality Patents Center
Patent reexamination counsel·9 ex parte reexams
Quality Patents Center has served as patent-owner counsel in 9 USPTO ex parte reexaminations, with 2 currently open. The firm most often represents Mingkai Tang. 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 (9)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/016,180 | Apr 11, 2026 | D1,002,203 | Clothes Hanger | — | Open |
| 90/019,680 | Sep 27, 2024 | D991,519 | Solar Firefly Swaying Lights | — | Closed |
| 90/019,593 | Jul 23, 2024 | D1,012,569 | CD CASE | — | Closed |
| 90/019,592 | Jul 22, 2024 | D1,011,802 | CD CASE | — | Closed |
| 90/019,584 | Jul 18, 2024 | D984,139 | Toothbrush | — | Closed |
| 90/019,583 | Jul 18, 2024 | D984,139 | Toothbrush | Mingkai Tang | Open |
| 90/019,308 | Nov 28, 2023 | D990,884 | Storage Box | — | Closed |
| 90/015,266 | Aug 2, 2023 | D991,519 | Solar firefly swaying lights | — | Closed |
| 90/015,250 | Jun 9, 2023 | — | GLASS PLANT PROPAGATION STATION | — | Closed |
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