ExamPat

Paul Hastings LLP

Patent reexamination counsel·4 ex parte reexams

Paul Hastings LLP has served as patent-owner counsel in 4 USPTO ex parte reexaminations, with 1 currently open. The firm most often represents Allergan, Inc., Alkermes Pharma Ireland Limited, and StubHub, Inc.. 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
1
24
2
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 (4)

Control #FiledPatentTitleOwnerStatus
90/015,636Oct 24, 202511,203,748PROCESS AND SYSTEM FOR OBTAINING BOTULINUM NEUROTOXINAllergan, Inc.Open
90/015,635Oct 24, 202511,147,878ANIMAL PROTEIN-FREE PHARMACEUTICAL COMPOSITIONSAllergan, Inc.Closed
90/019,779Dec 16, 20247,919,499NALTREXONE LONG ACTING FORMULATIONS AND METHODS OF USEAlkermes Pharma Ireland LimitedClosed
90/013,425Jan 9, 20158,732,007SYSTEM AND METHODS FOR PROVIDING LOCATION-BASED UPCOMING EVENT INFORMATION USING A CLIENT-SIDE WEB APPLICATION IMPLEMENTED ON A CLIENT DEVICEStubHub, Inc.Closed

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