Patterson + Sheridan, L.L.P.
Patent reexamination counsel·5 ex parte reexams
Patterson + Sheridan, L.L.P. has served as patent-owner counsel in 5 USPTO ex parte reexaminations, with 3 currently open. The firm most often represents Amp Plus Inc. and Asset Guard Products Inc.. 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 |
|---|---|---|---|---|---|
| 90/015,563 | Oct 1, 2025 | 11,725,805 | LIGHTING JUNCTION BOX WITH ASSEMBLY FOR HANGING | Amp Plus Inc. | Open |
| 90/015,562 | Oct 1, 2025 | 11,460,157 | Lighting Assembly Junction Box for Adjustable Ceiling Installation | Amp Plus Inc. | Open |
| 90/015,561 | Oct 1, 2025 | 11,159,004 | ADJUSTABLE RECESSED BOX | Amp Plus Inc. | Open |
| 90/019,951 | May 9, 2025 | 11,092,326 | INTEGRATED LIGHTING MODULE | Amp Plus Inc. | Closed |
| 90/014,303 | May 10, 2019 | 9,410,302 | TANK BASE | Asset Guard Products Inc. | Closed |
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