ExamPat

Lowenstein & Weatherwax LLP

Patent reexamination counsel·22 ex parte reexams

Lowenstein & Weatherwax LLP has served as patent-owner counsel in 22 USPTO ex parte reexaminations, with 8 currently open. The firm most often represents K.Mizra LLC, DivX, LLC, and Headwater Research. 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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20
1
21
5
23
6
24
5
25
2
26

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 (22)

Control #FiledPatentTitleOwnerStatus
90/015,994Feb 25, 20269,485,176GLOBAL IP-BASED SERVICE-ORIENTED NETWORK ARCHITECTUREK.Mizra LLCOpen
90/015,924Jan 30, 202610,523,344Periodic Calibration For Communication Channels By Drift TrackingK.Mizra LLCOpen
90/015,849Dec 31, 20259,160,466Periodic Calibration For Communication Channels By Drift TrackingK.Mizra LLCOpen
90/015,530Sep 19, 202511,611,785Systems and Methods for Encoding and Streaming Video Encoded Using a Plurality of Maximum Bitrate LevelsDivX, LLCOpen
90/015,469Aug 22, 202511,611,785Systems and Methods for Encoding and Streaming Video Encoded Using a Plurality of Maximum Bitrate LevelsDivX, LLCOpen
90/019,968May 21, 20259,215,613WIRELESS END-USER DEVICE WITH DIFFERENTIAL TRAFFIC CONTROL POLICY LIST HAVING LIMITED USER CONTROLHeadwater ResearchOpen
90/019,963May 15, 20258,782,282Network management systemK.Mizra LLCOpen
90/019,753Dec 3, 20249,198,117Network System With Common Secure Wireless Message Service Serving Multiple Applications on Multiple Wireless DevicesHeadwater ResearchOpen
90/019,699Oct 11, 202411,463,768Adaptive Digital Media Content Presentation and Control PlatformPiranha Media DistributionClosed
90/019,610Aug 5, 20249,143,976Wireless end-user device with differentiated network access and access status for background and foreground device applicationsHeadwater ResearchClosed
90/019,523May 24, 20247,987,285ADAPTIVE BITRATE MANAGEMENT FOR STREAMING MEDIA OVER PACKET NETWORKSOptiMorphix, Inc.Closed
90/019,427Feb 22, 20247,586,871PLATFORM AND METHOD FOR PROVIDING DATA SERVICES IN A COMMUNICATION NETWORKOptiMorphix, Inc.Closed
90/019,415Feb 13, 20247,295,673METHOD AND SYSTEM FOR SECURING COMPRESSED DIGITAL VIDEODivX, LLCClosed
90/019,338Dec 15, 20239,948,488CHANNEL PROBING SIGNAL FOR A BROADBAND COMMUNICATION SYSTEMNeo Wireless, LLCClosed
90/019,288Oct 20, 20238,278,855CONTROLLER OF MOTOR PREVENTING AN INCREASE IN INVERTER LOSSNexGen Control Systems, LLCClosed
90/019,264Oct 4, 202310,833,908CHANNEL PROBING SIGNAL FOR A BROADBAND COMMUNICATION SYSTEMNeo Wireless, LLCClosed
90/015,212Mar 14, 20238,276,071MULTI-INSTANCE, MULTI-USER ANIMATION PLATFORMSUtherverse Gaming LLCClosed
90/019,150Jan 18, 20236,708,213METHOD FOR STREAMING MULTIMEDIA INFORMATION OVER PUBLIC NETWORKSSound View InnovationsClosed
90/014,713Mar 30, 20218,135,860CONTENT INTERPOLATING WEB PROXY SERVERSound View Innovations, LLCClosed
90/014,583Sep 25, 20207,594,168BROWSER BASED WEB SITE GENERATION TOOL AND RUN TIME ENGINEExpress Mobile, Inc.Closed
90/014,560Aug 6, 20206,725,456METHODS AND APPARATUS FOR ENSURING QUALITY OF SERVICE IN AN OPERATING SYSTEMSound View Innovations, LLCClosed
90/014,558Aug 3, 20207,426,715SHUTTING DOWN A PLURALITY OF SOFTWARE COMPONENTS IN AN ORDERED SEQUENCESound View Innovations, LLCClosed

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