Xinyu Zhang

Patent reexamination counsel·3 ex parte reexams

Xinyu Zhang has served as patent-owner counsel in 3 USPTO ex parte reexaminations, with 2 currently open. The firm most often represents Guangzhou Yimei Cosmetics Co. Ltd., Haichao Wang, and Anji Hengjian Smart Home 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.

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
90/015,693Nov 17, 2025D1,075,508Packaging bottleGuangzhou Yimei Cosmetics Co. Ltd.Open
90/019,877Mar 10, 2025D1,050,550TENTACLE ANIMAL BIONIC LAMPHaichao WangOpen
90/019,857Feb 21, 2025D1,027,476ChairAnji Hengjian Smart Home Technology Co. Ltd.Closed

See the full reexam picture for Xinyu Zhang

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