Bryan Liang
Patent reexamination counsel·5 ex parte reexams
Bryan Liang has served as patent-owner counsel in 5 USPTO ex parte reexaminations, with 1 currently open. The firm most often represents Shenzhen Yisi Technology CO. Ltd., Shenzhen OuYe E-Commerce Co Ltd., and Priyong Wang. 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 (5)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/015,754 | Dec 4, 2025 | D955,538 | Fire Pit | Shenzhen Yisi Technology CO. Ltd. | Open |
| 90/020,139 | Sep 27, 2021 | D928,407 | COMBINATION BATH BRUSH AND SPONGE | — | Closed |
| 90/014,549 | Aug 4, 2020 | D838,859 | Wax Warmer | Shenzhen OuYe E-Commerce Co Ltd. | Closed |
| 90/014,543 | Jun 30, 2020 | D867,198 | PAIR OF EARRINGS | Priyong Wang | Closed |
| 90/014,098 | Apr 9, 2018 | D801,162 | Swing Swivel | Shezhen Tianyuexin Science and Technology Co. Ltd. | Closed |
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