Pierce Atwood, LLP
Patent reexamination counsel·3 ex parte reexams
Pierce Atwood, LLP has served as patent-owner counsel in 3 USPTO ex parte reexaminations. The firm most often represents Catalyst Assets LLC and Stratagene. 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 (3)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/020,080 | Feb 4, 2015 | 8,263,338 | METHODS OF ENRICHING FOR AND IDENTIFYING POLYMORPHISMS | Catalyst Assets LLC | Closed |
| 90/020,081 | Jan 23, 2015 | 8,383,343 | METHODS OF ENRICHING FOR AND IDENTIFYING POLYMORPHISMS | Catalyst Assets LLC | Closed |
| 90/012,310 | May 29, 2012 | 5,858,731 | Oligonucleotide Libraries Useful for Producing Primers | Stratagene | Closed |
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