Quarles & Brady, LLP
Patent reexamination counsel·8 ex parte reexams
Quarles & Brady, LLP has served as patent-owner counsel in 8 USPTO ex parte reexaminations, with 1 currently open. The firm most often represents Marshfield Clinic, Duke Univesity, and Wisconsin Alumni Research Foundation. 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 (8)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/015,405 | Jul 24, 2025 | 11,920,338 | FEED PAD WATER COLLECTION SYSTEM AND METHOD | — | Open |
| 90/019,148 | Feb 2, 2023 | 11,221,440 | Systems and Methods for Illumination of Medical Tubing | Duke Univesity | Closed |
| 90/020,068 | Apr 25, 2014 | 8,268,620 | OCT4 AND SOX2 WITH SV40 T ANTIGEN PRODUCE PLURIPOTENT STEM CELLS FROM PRIMATE SOMATIC CELLS | Wisconsin Alumni Research Foundation | Closed |
| 90/012,868 | Jun 11, 2013 | 7,585,680 | METHOD AND DEVICE FOR MONITORING MEDICATION USAGE | Marshfield Clinic | Closed |
| 90/012,887 | Jun 6, 2013 | 7,785,895 | METHOD AND DEVICE FOR MONITORING MEDICATION USAGE | Marshfield Clinic | Closed |
| 90/012,509 | Sep 12, 2012 | 7,160,085 | WIND TURBINE | MECAL APPLIED MECHANICS B.V. | Closed |
| 90/012,248 | May 10, 2012 | 7,785,895 | METHOD AND DEVICE FOR MONITORING MEDICATION USAGE | Marshfield Clinic | Closed |
| 90/012,247 | Apr 10, 2012 | 7,585,680 | METHOD AND DEVICE FOR MONITORING MEDICATION USAGE | Marshfield Clinic | Closed |
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See the full reexam picture for Quarles & Brady, LLP
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