The detailed information for PTAB case with proceeding number IPR2023-01286 filed by Western Digital Technologies, Inc. against LONGITUDE LICENSING LTD., on Aug 8, 2023. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
IPR2023-01286
Filing Date
Aug 8, 2023
Petitioner
Western Digital Technologies, Inc.
Respondent
LONGITUDE LICENSING LTD.,
Status
Final Written Decision
Respondent Application Number
11798773
Respondent Tech Center
2800
Respondent Patent Number
RE43539
Institution Decision Date
Feb 21, 2024
Termination Date
Feb 19, 2025

Proceeding Documents

The table below shows documents filed in the case, listing each document name, filing date, document type, and filing party. Tracking these filings indicates the activity of the parties involved in the case, and the types of documents filed can provide insights into the legal strategies being employed.


Document NameFiling DateCategoryFiling Party

Alert me when new update on this case

Petitioners' Updated Mandatory Notices

Mar 11, 2025PAPERPETITIONER

Power of Attorney - '539 - Sandisk

Mar 11, 2025PAPERPETITIONER

E-mail authorizing update to mandatory notices

Mar 6, 2025EXHIBITBOARD

Determining Challenged Claim Unpatentable 35 U.S.C. § 318(a)

Feb 19, 2025PAPERBOARD

Other: Hearing transcript

Dec 16, 2024PAPERBOARD

Petitioner's Updated Exhibit List

Nov 18, 2024PAPERPETITIONER

EX1021 - Petitioner's Oral Argument Demonstratives

Nov 18, 2024EXHIBITPETITIONER

Patent Owner's Updated Exhibit List

Nov 18, 2024PAPERPATENT OWNER

Exhibit 2007

Nov 18, 2024EXHIBITPATENT OWNER

LEAP Practitioner Request and Verification Form (Petitioner)

Nov 14, 2024PAPERBOARD

Order: Hearing Order

Oct 24, 2024PAPERBOARD

Patent Owner's Request for Oral Argument

Oct 10, 2024PAPERPATENT OWNER

Petitioner's Request for Oral Argument

Oct 9, 2024PAPERPETITIONER

Patent Owner's Sur-Reply

Oct 7, 2024PAPERPATENT OWNER

JOINT STIPULATION TO MODIFY DUE DATE 3

Sep 24, 2024PAPERPATENT OWNER

Texas Instruments, Technical Reference Manual - Power MOSFET Gate Driver Bias Optimization, April 2020

Sep 4, 2024EXHIBITPETITIONER

U.S. Patent No. 6,198,307 to Garlepp et. al (“Garlepp”)

Sep 4, 2024EXHIBITPETITIONER

Bruce Jacob deposition transcript, August 20, 2024 (“Jacob Deposition”)

Sep 4, 2024EXHIBITPETITIONER

Petitioner's Reply

Sep 4, 2024PAPERPETITIONER

Petitioner's Notice of Deposition for Dr. Bruce L. Jacob

Aug 6, 2024PAPERPETITIONER

Patent Owner's Response

Jun 19, 2024PAPERPATENT OWNER

Ex. 2005 - Jacob Declaration

Jun 19, 2024EXHIBITPATENT OWNER

Ex. 2006 - Thompson Deposition

Jun 19, 2024EXHIBITPATENT OWNER

Petitioner's Updated Mandatory Notices

Jun 10, 2024PAPERPETITIONER

JOINT STIPULATION TO FURTHER MODIFY DUE DATES 1 AND 2 AND MODIFY DUE DATE 3

Jun 3, 2024PAPERPATENT OWNER

PATENT OWNER’S NOTICE OF DEPOSITION OF SCOTT E. THOMPSON, PH.D.

May 6, 2024PAPERPATENT OWNER

JOINT STIPULATION TO MODIFY DUE DATES 1 AND 2

Apr 26, 2024PAPERPATENT OWNER

ORDER Granting Patent Owner’s Motions for Pro Hac Vice Admission of Brian D. Ledahl and Paul A. Kroeger 37 C.F.R. § 42.10(c)

Mar 12, 2024PAPERBOARD

PATENT OWNER’S MOTION FOR PRO HAC VICE ADMISSION OF BRIAN D. LEDAHL

Feb 27, 2024PAPERPATENT OWNER

DECLARATION OF BRIAN D. LEDAHL IN SUPPORT OF MOTION FOR PRO HAC VICE ADMISSION

Feb 27, 2024EXHIBITPATENT OWNER

PATENT OWNER’S MOTION FOR PRO HAC VICE ADMISSION OF PAUL A. KROEGER

Feb 27, 2024PAPERPATENT OWNER

DECLARATION OF PAUL A. KROEGER IN SUPPORT OF MOTION FOR PRO HAC VICE ADMISSION

Feb 27, 2024EXHIBITPATENT OWNER

PATENT OWNER'S UPDATED MANDATORY NOTICE

Feb 26, 2024PAPERPATENT OWNER

PATENT OWNER'S UPDATED POWER OF ATTORNEY

Feb 26, 2024PAPERPATENT OWNER

Institution Decision: DECISION Granting Institution of Inter Partes Review 35 U.S.C. § 314

Feb 21, 2024PAPERBOARD

Order: SCHEDULING ORDER

Feb 21, 2024PAPERBOARD

Patent Owner's Updated Exhibit List

Jan 12, 2024PAPERPATENT OWNER

Ex. 2002 - Disclaimer

Jan 12, 2024EXHIBITPATENT OWNER

Petitioner's Updated Exhibit List

Jan 3, 2024PAPERPETITIONER

EX1017-Longitude Preliminary Infringement Contentions, Exhibit B-539 Patent

Jan 3, 2024EXHIBITPETITIONER

PATENT OWNER'S PRELIMINARY RESPONSE

Nov 24, 2023PAPERPATENT OWNER

Exhibit 2001

Nov 24, 2023EXHIBITPATENT OWNER

Notice: NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE

Aug 24, 2023PAPERBOARD

Notice : Mandatory Notice

Aug 14, 2023PAPERPATENT OWNER

Notice : Power of Attorney

Aug 14, 2023PAPERPATENT OWNER

EX1001 - U.S. Patent No. RE43,539 to Takahashi (“’539 patent”)

Aug 8, 2023EXHIBITPETITIONER

EX1002 - Reissue App File History of the ’539 patent (“’773 Reissue App”)

Aug 8, 2023EXHIBITPETITIONER

EX1003 - Declaration of Scott Thompson (Longitude '539 Patent)

Aug 8, 2023EXHIBITPETITIONER

EX1004 - CV _ Scott E. Thompson

Aug 8, 2023EXHIBITPETITIONER

EX1005 - Prosecution File History of Original Patent of ’539 patent(“’059 A

Aug 8, 2023EXHIBITPETITIONER

EX1006 - U.S. Patent No. 6,924,669 to Itoh et al. (“Itoh”)

Aug 8, 2023EXHIBITPETITIONER

EX1007 - U.S. Patent No. 3,943,551 to Skorup (“Skorup”)

Aug 8, 2023EXHIBITPETITIONER

EX1008 - U.S. Patent No. 4,975,598 to Borkar (“Borkar”)

Aug 8, 2023EXHIBITPETITIONER

EX1009 - U.S. Patent No. 3,356,858 to Wanlass (“Wanlass”)

Aug 8, 2023EXHIBITPETITIONER

EX1010 - U.S. Patent No. 6,288,563 to Muljono et al. (“Muljono”)

Aug 8, 2023EXHIBITPETITIONER

EX1011 - Order Granting Motion to Stay (Lenovo) (05-16-23)

Aug 8, 2023EXHIBITPETITIONER

EX1012 - Order Granting Western Digital’s Mt to Intervene(Amazon)(05-16-23)

Aug 8, 2023EXHIBITPETITIONER

EX1013 - Director Vidal Memo re Interim Procedure for Discretionary Denial

Aug 8, 2023EXHIBITPETITIONER

EX1014 - U.S. Patent No. 5,194,765 to Dunlop et. al (“Dunlop”)

Aug 8, 2023EXHIBITPETITIONER

EX1015 - U.S. Patent No. 4,612,466 to Stewart (“Stewart”)

Aug 8, 2023EXHIBITPETITIONER

EX1016 - Dabral et al., Basic ESD and IO Design (1998) (“Dabral”)

Aug 8, 2023EXHIBITPETITIONER

Petitioner's Power of Attorney - Western Digital

Aug 8, 2023PAPERPETITIONER

Petition for Inter Partes Review ('539 Patent)

Aug 8, 2023PAPERPETITIONER