Lerner David, LLP
Patent reexamination counsel·5 ex parte reexams
Lerner David, LLP has served as patent-owner counsel in 5 USPTO ex parte reexaminations. The firm most often represents MHL Custom Inc., Baby Trend Inc., and Unicor GmbH. 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
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 |
|---|---|---|---|---|---|
| 90/015,269 | Aug 9, 2023 | 9,586,659 | POWERED HYDROFOIL BOARD | MHL Custom Inc. | Closed |
| 90/013,982 | Jul 12, 2017 | 8,256,792 | STROLLER WITH FOLD-DOWN TRAY FOR RECEIVING A CAR SEAT | Baby Trend Inc. | Closed |
| 90/013,871 | Dec 6, 2016 | 8,231,824 | METHOD AND DEVICE FOR PRODUCING A DOUBLEWALLED THERMOPLASTIC CORRUGATED PIPE HAVING A CONNECTING SLEEVE | Unicor GmbH | Closed |
| 90/012,289 | May 8, 2012 | 6,521,551 | MODIFIED SHUSS KNITTED NETTING | Tama Plastic Industry | Closed |
| 90/012,169 | Mar 9, 2012 | 6,048,343 | BONE SCREW SYSTEM | — | Closed |
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