ExamPat

OSHA LIANG LLP

Patent reexamination counsel·3 ex parte reexams

OSHA LIANG LLP has served as patent-owner counsel in 3 USPTO ex parte reexaminations. The firm most often represents SAINT LAWRENCE COMMUNICATIONS LLC and Schlumberger Norge AS. 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

1
15
2
17

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
90/013,894Mar 10, 20176,807,524PERCEPTUAL WEIGHTING DEVICE AND METHOD FOR EFFICIENT CODING OF WIDEBAND SIGNALSSAINT LAWRENCE COMMUNICATIONS LLCClosed
90/013,921Mar 10, 20176,795,805PERIODICITY ENHANCEMENT IN DECODING WIDEBAND SIGNALSSAINT LAWRENCE COMMUNICATIONS LLCClosed
90/013,474Apr 23, 20158,427,640Method and Apparatus for Measuring Particle Size Distribution in Drilling FluidSchlumberger Norge ASClosed

Other reexam law firms

See the full reexam picture for OSHA LIANG LLP

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