ExamPat

Dorsey & Whitney, LLP

Patent reexamination counsel·13 ex parte reexams

Dorsey & Whitney, LLP has served as patent-owner counsel in 13 USPTO ex parte reexaminations, with 1 currently open. The firm most often represents Acqis LLC, Vantage Specialty Chemicals Inc., and Lifebit Biotech Limited. 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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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 (13)

Control #FiledPatentTitleOwnerStatus
90/015,435Aug 7, 202512,279,622PAN OILING DEVICES, SYSTEMS AND METHODS OF USEVantage Specialty Chemicals Inc.Open
90/015,209Mar 9, 202310,769,167FEDERATED COMPUTATIONAL ANALYSIS OVER DISTRIBUTED DATALifebit Biotech LimitedClosed
90/019,054Dec 30, 2021RE46,947Data Security Method and Device for Computer ModulesAcqis LLCClosed
90/019,051Dec 29, 20218,977,797METHOD OF IMPROVING PERIPHERAL COMPONENT INTERFACE COMMUNICATIONS UTILIZING A LOW VOLTAGE DIFFERENTIAL SIGNAL CHANNELAcqis LLCClosed
90/019,053Dec 29, 2021RE44,468Data Security Method and Device for Computer ModulesAcqis LLCClosed
90/019,050Dec 28, 2021RE44,654DATA SECURITY METHOD AND DEVICE FOR COMPUTER MODULESCooLey LLPClosed
90/014,676Feb 16, 202110,786,746REVERSIBLE TOYTee Turtle LLCClosed
90/014,301May 8, 20198,887,743CHEMICAL DELIVERY SYSTEM AND PLATFORMHydra-Flex Inc.Closed
90/014,013Sep 15, 20179,603,462Anti-Slip Protective CoverGreen Point Decor LLCClosed
90/013,498Apr 29, 20157,512,095MULTIPLE ACCESS COMMUNICATION SYSTEM FOR MOVEABLE OBJECTSSoftware Radio Technology PLCClosed
90/013,135Jan 24, 20145,676,146SURGICAL IMPLANT CONTAINING A RESORBABLE RADIOPAQUE MARKER AND METHOD OF LOCKING SUCH WITHIN A BODYOsteotech Inc.Closed
90/013,007Sep 27, 20138,269,654FLASHING BEACONR.D. Jones, Stop Experts Inc.Closed
90/012,297May 15, 20125,799,320REMOTE MULTIPLE-USER EDITING SYSTEM AND METHODJohn R. KlugClosed

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