90/015,841METHOD AND SYSTEM FOR HIGH-RELIABILITY POWER SWITCHING7,960,862Open

Status

Reexam - Request Ready for Ex Parte Action

Filed

Jan 15, 2026

Last Updated

May 6, 2026

Examiner

My Trang Ton

Art Unit

3992

Requester Law Firm

Kirkland & Ellis LLP

Requested By

Third Party

Patent Owner Law Firm

Owner hasn't filed yet

Sector (CPC)

HElectrical & Electronic
H02Power Generation & Distribution
H02JPower Supply Circuits

USPC

307Electrical Transmission Or Interconnection Systems

Reexam History (26 events)

Sep 29, 2026RXRLFReExam Litigation Found
Sep 29, 2026RXLITSRReexam Litigation Search Conducted
May 6, 2026RXFWDXDate Forwarded to Examiner
Mar 3, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Feb 17, 2026PA..Change in Power of Attorney (May Include Associate POA)
Jan 28, 2026MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Jan 16, 2026COMPApplication Is Now Complete
Jan 16, 2026MRXNReexamination Formalities Notice Mailed
Jan 16, 2026DOCKCase Docketed to Examiner in GAU
Jan 16, 2026MRXNReexamination Formalities Notice Mailed
Jan 15, 2026RXNREQAUNotice of assignment of reexamination request
Jan 15, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jan 15, 2026RXNREQFDNotice of reexamination request filing date
Jan 4, 2026RXC.ADRReexam - Correspondence Address Change for Third Party Requester
Jan 4, 2026RXTTLRPTTitle Report
Jan 3, 2026RXLITSRReexam Litigation Search Conducted
Jan 3, 2026FTFIFITF set to NO - revise initial setting
Jan 3, 2026PRXRParalegal Reexam Review Complete
Jan 3, 2026RXRLFReExam Litigation Found
Dec 29, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Dec 29, 2025RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Dec 29, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Dec 29, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Dec 29, 2025RXC/SRCertificate of Service
Dec 29, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Dec 29, 2025RXOSUB.RReexamination requested by third party requester

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
Jun 14, 2011
3.5-yr
Dec 14, 2014
7.5-yr
Dec 14, 2018
Paid Dec 14, 2018
11.5-yr
Dec 14, 2022
Paid Dec 14, 2022
Expiry
Jul 29, 2029

Entity Status

Large Entity

Expires

Jul 29, 2029 (3.3 yr remaining)

Term Adjustment

+281 days (~0.8 yr)

Assignments

20062007200820092010201120122013201420152016201720182019202020212022202320242025FiledGERALD L. CULLENMICHAEL V. SMITHJASON COHENGEIST MANUFACTURING, INC.PLASTIC COMPANIES ENTERPRISES, INC.GEIST MANUFACTURING, INC.PCE, INC.LIEBERT CORPORATIONVERTIV CORPORATIONJPMORGAN CHASE BANK, N.A.N.A. CITIBANKDATA POWERWORKS LLCTHE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.Security interest, May 2019THE BANK OF NEW YORK MELLON TRUST COMPANY N.A.Release, Mar 2020UMB BANK, N.A., AS COLLATERAL AGENTSecurity interest, Oct 20213 releases, Dec 2024JPMORGAN CHASE BANK, N.A., N.A. CITIBANK, UMB BANK, N.A.
MergerReel/Frame: 044922/0729Recorded: Feb 14, 2018

From

GEIST MANUFACTURING, INC.
Dec 15, 2005
→

To

PLASTIC COMPANIES ENTERPRISES, INC.

AssignmentReel/Frame: 022060/0001Recorded: Jan 6, 2009

From

JASON COHENInventor
Dec 18, 2008
GERALD L. CULLENInventor
Dec 2, 2008
MICHAEL V. SMITHInventor
Dec 16, 2008
→

To

GEIST MANUFACTURING, INC.

MergerReel/Frame: 045929/0634Recorded: Feb 14, 2018

From

PLASTIC COMPANIES ENTERPRISES, INC.
Nov 16, 2011
→

To

PCE, INC.

AssignmentReel/Frame: 044928/0481Recorded: Feb 14, 2018

From

PCE, INC.
Feb 1, 2018
→

To

LIEBERT CORPORATION

MergerReel/Frame: 047011/0001Recorded: Sep 28, 2018

From

LIEBERT CORPORATION
Aug 6, 2018
VERTIV CORPORATION
Aug 6, 2018
→

To

VERTIV CORPORATION

Security InterestReel/Frame: 049415/0262Recorded: Jun 10, 2019

From

ELECTRICAL RELIABILITY SERVICES, INC.
May 13, 2019
VERTIV CORPORATION
May 13, 2019
VERTIV ENERGY SYSTEMS, INC.
May 13, 2019
VERTIV IT SYSTEMS, INC.
May 13, 2019
VERTIV NORTH AMERICA, INC.
May 13, 2019
→

To

THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.

OtherReel/Frame: 052075/0497Recorded: Mar 3, 2020

From

ENERGY LABS, INC.
Mar 2, 2020
VERTIV CORPORATION
Mar 2, 2020
VERTIV IT SYSTEMS, INC.
Mar 2, 2020
→

To

JPMORGAN CHASE BANK, N.A.

OtherReel/Frame: 052076/0874Recorded: Mar 3, 2020

From

ELECTRICAL RELIABILITY SERVICES, INC.
Mar 2, 2020
ENERGY LABS, INC.
Mar 2, 2020
VERTIV CORPORATION
Mar 2, 2020
VERTIV IT SYSTEMS, INC.
Mar 2, 2020
→

To

N.A. CITIBANK

ReleaseReel/Frame: 052071/0913Recorded: Mar 2, 2020

From

THE BANK OF NEW YORK MELLON TRUST COMPANY N.A.
Mar 2, 2020
→

To

VERTIV CORPORATION

Security InterestReel/Frame: 057923/0782Recorded: Oct 26, 2021

From

ELECTRICAL RELIABILITY SERVICES, INC.
Oct 22, 2021
ENERGY LABS, INC.
Oct 22, 2021
VERTIV CORPORATION
Oct 22, 2021
VERTIV IT SYSTEMS, INC.
Oct 22, 2021
→

To

UMB BANK, N.A., AS COLLATERAL AGENT

ReleaseReel/Frame: 069771/0893Recorded: Jan 7, 2025

From

JPMORGAN CHASE BANK, N.A.
Dec 23, 2024
→

To

VERTIV CORPORATION

ReleaseReel/Frame: 069772/0109Recorded: Jan 7, 2025

From

N.A. CITIBANK
Dec 23, 2024
→

To

VERTIV CORPORATION

ReleaseReel/Frame: 069772/0139Recorded: Jan 7, 2025

From

UMB BANK, N.A.
Dec 30, 2024
→

To

VERTIV CORPORATION

AssignmentReel/Frame: 070289/0670Recorded: Feb 21, 2025

From

VERTIV CORPORATION
Dec 31, 2024
→

To

DATA POWERWORKS LLC