Li & Cai Intellectual Property(USA) Office
Patent reexamination counsel·2 ex parte reexams
Li & Cai Intellectual Property(USA) Office has served as patent-owner counsel in 2 USPTO ex parte reexaminations. The firm most often represents OHARA Inc. and Hefei Yixinda Electronic Commerce 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 (2)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/015,042 | Jun 3, 2022 | 11,104,603 | CRYSTALLIZED GLASS SUBSTRATE | OHARA Inc. | Closed |
| 90/014,823 | Aug 10, 2021 | D905,836 | PORTABLE AIR CONDITIONER | Hefei Yixinda Electronic Commerce Co. Ltd. | Closed |
Other reexam law firms
See the full reexam picture for Li & Cai Intellectual Property(USA) Office
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.