ExamPat

Wilson Sonsini Goodrich & Rosati, LLP

Patent reexamination counsel·24 ex parte reexams

Wilson Sonsini Goodrich & Rosati, LLP has served as patent-owner counsel in 24 USPTO ex parte reexaminations, with 1 currently open. The firm most often represents Unity Opto Technology Co. Ltd., Factor Bioscience Inc., and Optimorphix 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

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14
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4
18
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19
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24
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26

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 (24)

Control #FiledPatentTitleOwnerStatus
90/016,373Jun 3, 2026—MAGNESIUM COMPOSITIONS AND USES THEREOF FOR NEUROLOGICAL DISORDERS—Open
90/019,885Mar 21, 202512,024,484LIPID FORMULATIONS FOR GENE EDITINGVerve Therapeutics Inc.Closed
90/019,520May 23, 20247,031,314SYSTEMS AND METHODS FOR PROVIDING DIFFERENTIATED SERVICES WITHIN A NETWORK COMMUNICATION SYSTEMOptimorphix Inc.Closed
90/019,472Apr 5, 20247,523,995MILLING MACHINECaterpillar Inc.Closed
90/019,446Mar 8, 20247,099,273DATA TRANSPORT ACCELERATION AND MANAGEMENT WITHIN A NETWORK COMMUNICATION SYSTEMOptimorphix Inc.Closed
90/019,129Nov 16, 202210,982,229METHODS AND PRODUCTS FOR TRANSFECTING CELLSFactor Bioscience Inc.Closed
90/019,127Nov 16, 202210,662,410METHODS AND PRODUCTS FOR TRANSFECTING CELLSFactor Bioscience Inc.Closed
90/019,128Nov 16, 202210,829,738METHODS AND PRODUCTS FOR TRANSFECTING CELLSFactor Bioscience Inc.Closed
90/015,017Apr 28, 20228,922,312Electronic Device And Manufacturing Method ThereofCyntec Co. Ltd.Closed
90/015,006Apr 12, 20229,481,037ELECTRONIC DEVICE AND MANUFACTURING METHOD THEREOFCyntec Co. Ltd.Closed
90/020,134Mar 30, 202010,255,993PET INSURANCE SYSTEM AND METHODTrupanion Inc.Closed
90/014,321Jun 20, 20199,868,707SMALL MOLECULE AGONISTS OF NEUROTENSIN RECEPTOR 1Duke UniversityClosed
90/014,268Mar 13, 20199,969,726METABOTROPIC GLUTAMATE RECEPTOR NEGATIVE ALLOSTERIC MODULATORS (NAMS) AND USES THEREOFSanford-Burnham Medical Research InstituteClosed
90/014,107Mar 9, 20189,523,487FLAT PANEL LIGHTING DEVICE AND DRIVING CIRCUITRYUnity Opto Technology Co. Ltd.Closed
90/014,106Mar 8, 20189,423,113FLAT PANEL LIGHTING DEVICE AND DRIVING CIRCUITRYUnity Opto Technology Co. Ltd.Closed
90/014,105Mar 7, 20189,447,954LIGHTING FIXTURE HAVING A CENTRAL WIRE-WAYUnity Opto Technology Co. Ltd.Closed
90/014,104Mar 6, 20189,335,036FLAT PANEL LIGHTING DEVICE AND DRIVING CIRCUITRYUnity Opto Technology Co. Ltd.Closed
90/013,866Dec 5, 20169,376,454BETA-LACTAMASE INHIBITORSVenatorx Pharmaceuticals Inc.Closed
90/013,682Jan 19, 20167,700,567OLIGONUCLEOTIDE ANALOGUES INCORPORATING 5-AZA-CYTOSINE THEREINAsteX Pharmaceuticals Inc.Closed
90/013,678Jan 8, 20168,318,430METHODS OF FETAL ABNORMALITY DETECTIONArtemis Health Inc.Closed
90/013,605Oct 8, 20157,470,236ELECTROMYOGRAPHY SYSTEMNuVasive Inc.Closed
90/013,417Dec 11, 20148,114,114Embolic Protection DeviceEmboline Inc.Closed
90/013,348Sep 19, 20148,404,750Methods for Administration and Formulations for the Treatment of Regional Adipose TissueNeothetics Inc.Closed
90/013,336Sep 3, 20148,420,625Lipolytic Methods for Regional AdiposityNeothetics Inc.Closed

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