Status
Determination - Reexamination Ordered
Requester Law Firm
Unknown
Requested By
Third Party
Patent Owner
P.O. Law Firm
Reexam History (23 events)
Apr 9, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Mar 11, 2026PA..Change in Power of Attorney (May Include Associate POA)
Mar 3, 2026DOCKCase Docketed to Examiner in GAU
Feb 27, 2026MRXNReexamination Formalities Notice Mailed
Feb 27, 2026MRXNReexamination Formalities Notice Mailed
Feb 27, 2026COMPApplication Is Now Complete
Feb 26, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Feb 26, 2026RXNREQFDNotice of reexamination request filing date
Feb 26, 2026RXNREQAUNotice of assignment of reexamination request
Feb 26, 2026FTFIFITF set to NO - revise initial setting
Feb 24, 2026PRXRParalegal Reexam Review Complete
Feb 23, 2026RXOSUCOrig Req Receipt Corrected
Feb 23, 2026RXOSUB.RReexamination requested by third party requester
Feb 23, 2026RXC/SRCertificate of Service
Feb 23, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Feb 17, 2026RXTTLRPTTitle Report
Feb 17, 2026RXRLFReExam Litigation Found
Feb 17, 2026RXLITSRReexam Litigation Search Conducted
Feb 16, 2026RXOSUB.RReexamination requested by third party requester
Feb 16, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Feb 16, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Feb 16, 2026RXC/SRCertificate of Service
Feb 16, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
IPR2016-00013IPR — Institution Denied
Petitioner
TDK Corporation
Petition Filed
Oct 5, 2015
Institution
Apr 12, 2016
Terminated
Apr 12, 2016
Federal Circuit (CAFC)
None found
Terminal Disclaimer
None found
Prosecution History
None found
Maintenance Fees
Grant
Oct 31, 2006
3.5-yr
Apr 30, 2010
7.5-yr
Apr 30, 2014
11.5-yr
Apr 30, 2018
Paid Apr 5, 2018
Expiry
Jul 19, 2024
Entity Status
Small Entity
Expires
Jul 19, 2024 (expired)
Term Adjustment
+325 days (~0.9 yr)
Assignments
AssignmentReel/Frame: 014577/0874Recorded: Aug 29, 2003
From
DAVID N. LAMBETHInventor
Aug 26, 2003
→
To
LAMBETH SYSTEMS
AssignmentReel/Frame: 026405/0629Recorded: Jun 7, 2011
From
LAMBETH SYSTEMS
Dec 18, 2010
→
To
SBS MAGNETICS, LLC
AssignmentReel/Frame: 025970/0956Recorded: Mar 16, 2011
From
LAMBETH SYSTEMS
Dec 18, 2010
→
To
SBS MAGNETICS, LLC
AssignmentReel/Frame: 031645/0962Recorded: Nov 5, 2013
From
SBS MAGNETICS, LLC
Jun 28, 2013
→
To
LAMBETH SYSTEMS
AssignmentReel/Frame: 032497/0180Recorded: Mar 21, 2014
From
LAMBETH SYSTEMS
Mar 18, 2014
→
To
LAMBETH MAGNETIC STRUCTURES, LLC