Desmarais LLP
Patent reexamination counsel·5 ex parte reexams
Desmarais LLP has served as patent-owner counsel in 5 USPTO ex parte reexaminations. The firm most often represents Enzo Life Sciences, Inc., Samsung Electronics Co., Ltd., and Ravgen, 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 |
|---|---|---|---|---|---|
| 90/015,298 | Sep 11, 2023 | 7,545,037 | SEMICONDUCTOR CHIPS HAVING REDISTRIBUTED POWER/GROUND LINES DIRECTLY CONNECTED TO POWER/GROUND LINES OF INTERNAL CIRCUITS AND METHODS OF FABRICATING THE SAME | Samsung Electronics Co., Ltd. | Closed |
| 90/015,080 | Jul 26, 2022 | 7,064,197 | SYSTEM, ARRAY AND NON-POROUS SOLID SUPPORT COMPRISING FIXED OR IMMOBILIZED NUCLEIC ACIDS | Enzo Life Sciences, Inc. | Closed |
| 90/014,703 | Mar 19, 2021 | 7,727,720 | Methods for Detection of Genetic Disorders | Ravgen, Inc. | Closed |
| 90/014,270 | Feb 26, 2019 | 7,064,197 | System, Array and Non-Porous Solid Support Comprising Fixed or Immobilized Nucleic Acids | Enzo Life Sciences, Inc. | Closed |
| 90/014,272 | Feb 26, 2019 | 7,064,197 | SYSTEM, ARRAY AND NON-POROUS SOLID SUPPORT COMPRISING FIXED OR IMMOBILIZED NUCLEIC ACIDS | Enzo Life Sciences, Inc. | Closed |
Other reexam law firms
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- Fish & Richardson P.C.68 reexams · 7 pending
- Sterne, Kessler, Goldstein & Fox P.L.L.C.63 reexams · 8 pending
- Heim, Payne & Chorush, LLP36 reexams · 28 pending
- Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.34 reexams · 1 pending
- Banner & Witcoff, Ltd.34 reexams · 2 pending
See the full reexam picture for Desmarais LLP
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