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Status

Response after Non-Final Action Entered (or Ready for Examiner Action)

Filed

Nov 30, 2023

Last Updated

Apr 3, 2026

Art Unit

3993

Requester

Unknown

Requester Law Firm

Unknown

Requested By

Third Party

Patent OwnerInferred

Kaeser Kompressoren SE

Sector (CPC)

FMechanical Engineering
F04Pumps & Compressors
F04CRotary-Piston Pumps

USPC

418Rotary Expansible Chamber Devices

Reexam History (98 events)

Apr 3, 2026RXC/SRCertificate of Service
Apr 3, 2026RXA.QUResponse after ex parte Quayle
Mar 31, 2026MREPQRX - Mail Ex Parte Quayle Action
Feb 18, 2026MREXNRX - Mail Examiner Interview Summary Record
Feb 17, 2026RXC/SRCertificate of Service
Feb 17, 2026RXBD.AAmendment/Argument after PTAB Decision
Dec 16, 2025RXBDRVPTAB Decision - Reversal
Jul 31, 2025AP_DK_MDocketing Notice Mailed to Appellant
Jul 30, 2025APASAssignment of Appeal Number
Jul 24, 2025APWDAppeal Awaiting PTAB Docketing
Jul 18, 2025WIDSInformation Disclosure Statement (IDS) Filed
Jul 18, 2025RXIDS.Information Disclosure Statement Filed
Jul 18, 2025RXC/SRCertificate of Service
Jul 18, 2025RXBPAIReexam Forwarded to PTAB
Jul 18, 2025RXAPRBReply Brief Filed
May 21, 2025MRAEARX - Mail Examiners Answer
May 20, 2025MRADVRX - Mail Reexam - Advisory Action (or Supplemental)
May 14, 2025IDSCInformation Disclosure Statement considered
Apr 2, 2025WIDSInformation Disclosure Statement (IDS) Filed
Apr 2, 2025RXIDS.Information Disclosure Statement Filed
Apr 2, 2025RXC/SRCertificate of Service
Apr 2, 2025RXAPBRAppeal Brief Review Complete
Apr 2, 2025RXAP.BAppeal Brief Filed
Apr 2, 2025RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed
Mar 21, 2025RXLET.Miscellaneous Incoming Letter
Mar 21, 2025RXC/SRCertificate of Service
Mar 7, 2025MREXNRX - Mail Examiner Interview Summary Record
Feb 24, 2025RXLET.Miscellaneous Incoming Letter
Feb 24, 2025RXC/SRCertificate of Service
Feb 24, 2025MRADVRX - Mail Reexam - Advisory Action (or Supplemental)
Feb 14, 2025MRXG.RX - Mail Extension of Time Period for Response Granted
Feb 13, 2025RXRQ/TRequest for Extension of Time
Feb 13, 2025RXC/SRCertificate of Service
Jan 27, 2025MREXNRX - Mail Examiner Interview Summary Record
Jan 24, 2025RXAAF.Response to Final Filed (or Ready for Examiner Action)
Jan 24, 2025PA..Change in Power of Attorney (May Include Associate POA)
Jan 3, 2025RXN/APNotice of Appeal Filed
Jan 3, 2025RXC/SRCertificate of Service
Dec 4, 2024RXLET.Miscellaneous Incoming Letter
Dec 4, 2024RXC/SRCertificate of Service
Nov 12, 2024MREXNRX - Mail Examiner Interview Summary Record
Oct 29, 2024RXLET.Miscellaneous Incoming Letter
Oct 29, 2024RXC/SRCertificate of Service
Oct 23, 2024RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Oct 23, 2024MRADVRX - Mail Reexam - Advisory Action (or Supplemental)
Oct 10, 2024MREXNRX - Mail Examiner Interview Summary Record
Oct 4, 2024RXLET.Miscellaneous Incoming Letter
Oct 4, 2024RXC/SRCertificate of Service
Oct 4, 2024RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed
Oct 4, 2024RXAAF.Response to Final Filed (or Ready for Examiner Action)
Sep 10, 2024MREXNRX - Mail Examiner Interview Summary Record
Aug 5, 2024MRXFRRX - Mail Final Rejection
Jul 18, 2024RXC/SRCertificate of Service
Jul 18, 2024RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed
Jul 18, 2024RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed
Jul 18, 2024RXA...Response after Non-Final Action
Jul 10, 2024RXLET.Miscellaneous Incoming Letter
Jul 10, 2024RXC/SRCertificate of Service
Jun 17, 2024MRXG.RX - Mail Extension of Time Period for Response Granted
Jun 14, 2024MREXNRX - Mail Examiner Interview Summary Record
Jun 13, 2024RXRQ/TRequest for Extension of Time
Jun 13, 2024RXC/SRCertificate of Service
Jun 5, 2024WIDSInformation Disclosure Statement (IDS) Filed
Jun 5, 2024RXIDS.Information Disclosure Statement Filed
Jun 5, 2024RXC/SRCertificate of Service
May 15, 2024RXLET.Miscellaneous Incoming Letter
May 15, 2024RXC/SRCertificate of Service
Apr 19, 2024MR.NFRX - Mail Reexam Non-Final Action
Mar 28, 2024WIDSInformation Disclosure Statement (IDS) Filed
Mar 28, 2024RXIDS.Information Disclosure Statement Filed
Mar 28, 2024RXC/SRCertificate of Service
Mar 28, 2024IDSCInformation Disclosure Statement considered
Mar 28, 2024IDSCInformation Disclosure Statement considered
Mar 28, 2024IDSCInformation Disclosure Statement considered
Mar 6, 2024WIDSInformation Disclosure Statement (IDS) Filed
Mar 6, 2024RXIDS.Information Disclosure Statement Filed
Mar 5, 2024RXFWDXDate Forwarded to Examiner
Jan 19, 2024WIDSInformation Disclosure Statement (IDS) Filed
Jan 19, 2024RXIDS.Information Disclosure Statement Filed
Jan 2, 2024MREXORX - Mail Ex Parte Request for Reexamination Granted
Dec 13, 2023MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Dec 7, 2023MRXNReexamination Formalities Notice Mailed
Dec 7, 2023MRXNReexamination Formalities Notice Mailed
Dec 7, 2023DOCKCase Docketed to Examiner in GAU
Dec 6, 2023RXTTLRPTTitle Report
Dec 6, 2023RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Dec 6, 2023RXNREQFDNotice of reexamination request filing date
Dec 6, 2023RXNREQAUNotice of assignment of reexamination request
Nov 30, 2023RXOSUCOrig Req Receipt Corrected
Nov 30, 2023RXLITSRReexam Litigation Search Conducted
Nov 30, 2023PRXRParalegal Reexam Review Complete
Nov 30, 2023FTFSFITF set to YES - revise initial setting
Nov 29, 2023RXOSUB.RReexamination requested by third party requester
Nov 29, 2023RXOSUB.RReexamination requested by third party requester
Nov 29, 2023RXOSUBReceipt of Original Ex Parte Reexam Request
Nov 29, 2023RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Nov 29, 2023RXC/SRCertificate of Service
Nov 29, 2023BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)