ExamPat

Dorsey & Whitney LLP

Patent reexamination counsel·12 ex parte reexams

Dorsey & Whitney LLP has served as patent-owner counsel in 12 USPTO ex parte reexaminations. 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

1
12
1
14
1
15
1
17
1
19
5
21
1
23
1
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 (12)

Control #FiledPatentTitleOwnerStatus
90/015,435Aug 7, 202512,279,622PAN OILING DEVICES, SYSTEMS AND METHODS OF USEVantage Specialty Chemicals, Inc.Closed
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 MODULESAcqis LLCClosed
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 BODYWarsaw Orthopedic, Inc.Closed
90/012,297May 15, 20125,799,320REMOTE MULTIPLE-USER EDITING SYSTEM AND METHODEdiSync Systems LLCClosed

Other reexam law firms

See the full reexam picture for Dorsey & Whitney LLP

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