Qingdao Hongwei Dongtai Trade Limited Co. Ltd.

Patent owner in reexamination·4 ex parte reexams

Qingdao Hongwei Dongtai Trade Limited Co. Ltd.'s patents have been the subject of 4 USPTO ex parte reexaminations, with 2 currently open. Its patents are most often challenged by KA GLOBAL IP LLC and Nitin Kaushik. 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

2
24
2
25

Outcome track record

How reexams of this owner's patents resolve: claims confirmed, amended, mixed, or fully canceled.

  • Certificate outcome split across every bucket
  • Claim-survival rate

Defense metrics

Claim-survival rate, average pendency, and the open/closed split across every reexam of this owner's patents.

  • Survival rate of closed proceedings
  • Average pendency in months

Challengers & examiners

Which requesters most often challenge this owner's patents, and which examiners decide them.

  • Top requesters
  • Most frequent examiners

Recent reexaminations (4)

Control #FiledPatentTitleRequesterStatus
90/015,573Oct 6, 2025D1,034,114Garden Planting BedKA GLOBAL IP LLCOpen
90/019,998Jun 16, 2025D1,045,660GARDEN PLANTING BOXNitin KaushikOpen
90/019,602Jul 29, 2024D1,034,114Garden Planting BedClosed
90/019,600Jul 29, 2024D1,034,114Garden Planting BedClosed

See the full reexam picture for Qingdao Hongwei Dongtai Trade Limited Co. Ltd.

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