Perkins Coie, LLP

Patent reexamination counsel·15 ex parte reexams

Perkins Coie, LLP has served as patent-owner counsel in 15 USPTO ex parte reexaminations, with 2 currently open. The firm most often represents Ch20 Incorporated, Cleerly Inc., and Anhui Chenguang Electronic Technology Co. Ltd.. 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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12
1
13
2
14
4
16
2
22
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23
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25
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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 (15)

Control #FiledPatentTitleOwnerStatus
90/016,282May 14, 202612,171,606SYSTEMS, METHODS, AND DEVICES FOR MEDICAL IMAGE ANALYSIS, DIAGNOSIS, RISK STRATIFICATION, DECISION MAKING AND/OR DISEASE TRACKINGCleerly Inc.Open
90/015,637Oct 27, 202511,681,885CASH COUNTER WITH INFRARED LIGHT SOURCE FOR SCANNING IMAGINGAnhui Chenguang Electronic Technology Co. Ltd.Open
90/019,810Jan 13, 20259,814,256METHOD FOR PROCESSING CRUSTACEANS TO PRODUCE LOW FLUORIDE/LOW TRIMETHYL AMINE PRODUCTS THEREOFRimfrost Technologies AsClosed
90/019,327Dec 9, 20238,482,652IMAGING DEVICES WITH COMPONENTS FOR REFLECTING OPTICAL DATA AND ASSOCIATED METHODS OF USE AND MANUFACTURERadiant Zemax LLCClosed
90/015,133Oct 12, 20229,932,165VACUUM COOLERH-E-B, L.P.Closed
90/015,002Apr 11, 202210,352,540LED TUBE LAMPJiaxing Super Lighting Electric Appliance Co. Ltd.Closed
90/013,837Oct 19, 20166,767,470METHOD FOR CLEANING AND MAINTAINING WATER DELIVERY SYSTEMSCh20 IncorporatedClosed
90/013,789Aug 4, 20168,766,298ENCAPSULANT PROFILE FOR LIGHT EMITTING DIODESCree Inc.Closed
90/013,725Apr 15, 20169,070,851Wafer-Level Light Emitting Diode Package and Method of Fabricating the SameSeoul Semiconductor Co. Ltd.Closed
90/013,686Jan 27, 20168,747,173FLOTATION DEVICEHickory Springs Manufacturing CompanyClosed
90/013,172Mar 6, 20148,477,431IMAGE CAPTURING LENS ASSEMBLYLargan Precision Co. Ltd.Closed
90/013,123Jan 17, 20146,767,470METHOD FOR CLEANING AND MAINTAINING WATER DELIVERY SYSTEMSCh20 IncorporatedClosed
90/012,861May 6, 20138,359,207METHOD AND APPARATUS FOR GENERATING TOXICOLOGY REPORTSAmeritox Ltd.Closed
90/012,686Sep 15, 20125,863,584METHOD FOR TREATING PRODUCE AND PROCESS WATERCh20 IncorporatedClosed
90/012,124Mar 16, 20125,566,913WRIST REST APPARATUSClosed

See the full reexam picture for Perkins Coie, LLP

Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.