ExamPat

Leydig, Voit & Mayer, Ltd.

Patent reexamination counsel·3 ex parte reexams

Leydig, Voit & Mayer, Ltd. has served as patent-owner counsel in 3 USPTO ex parte reexaminations. The firm most often represents Leica Microsystems CMS GmbH and battenfeld-cincinnati germany gmbh. 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
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19
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25

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 #FiledPatentTitleOwnerStatus
90/015,464Aug 22, 202510,101,203DEVICE AND METHOD FOR DETECTING LIGHTLeica Microsystems CMS GmbHClosed
90/014,259Mar 5, 20199,427,906COOLING DEVICEbattenfeld-cincinnati germany gmbhClosed
90/012,437Aug 16, 20125,644,489APPARATUS AND METHOD FOR IDENTIFYING CONTAINERS FROM WHICH MATERIAL IS COLLECTED AND LOADED ONTO A HAULAGE VEHICLE—Closed

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See the full reexam picture for Leydig, Voit & Mayer, Ltd.

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