Status
Reexam Preprocessing Completed - Released to Assigned GAU
Filed
Oct 20, 2026
Pre-Order Paper
Window open until about Nov 29, 2026
Last Updated
Oct 27, 2026
Examiner
Not assigned
Art Unit
Requester
Requester Law Firm
Requested By
Third Party
Patent Owner(via USPTO assignment records)
Patent Owner Law Firm
Owner hasn't filed yet
Reexam History (15 events)
Oct 27, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Oct 27, 2026RXNREQFDNotice of reexamination request filing date
Oct 27, 2026RXNREQAUNotice of assignment of reexamination request
Oct 27, 2026RXTTLRPTTitle Report
Oct 21, 2026RXRLFReExam Litigation Found
Oct 21, 2026RXLITSRReexam Litigation Search Conducted
Oct 21, 2026PRXRParalegal Reexam Review Complete
Oct 21, 2026FTFSFITF set to YES - revise initial setting
Oct 20, 2026RXOSUB.RReexamination requested by third party requester
Oct 20, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Oct 20, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Oct 20, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Oct 20, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Oct 20, 2026RXC/SRCertificate of Service
Oct 20, 2026WIDSInformation Disclosure Statement (IDS) Filed
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
None found
Federal Circuit (CAFC)
None found
Terminal Disclaimer
None found
Prosecution History
None found
Maintenance Fees
Grant
Nov 24, 2020
3.5-yr
May 24, 2024
Paid May 8, 2024
7.5-yr
May 24, 2028
11.5-yr
May 24, 2032
Expiry
May 26, 2039
Entity Status
Large Entity
Expires
May 26, 2039 (12.6 yr remaining)
Term Adjustment
+128 days (~0.4 yr)
Assignments
AssignmentReel/Frame: 048058/0361Recorded: Jan 18, 2019
From
XIAONI XINInventor
Dec 10, 2018
HAOYI YEInventor
Dec 10, 2018
JIANHONG ZENGInventor
Dec 10, 2018
→
To
DELTA ELECTRONICS (SHANGHAI) CO., LTD