The detailed information for PTAB case with proceeding number IPR2025-00701 filed by Western Digital Technologies et al. against Godo Kaisha IP Bridge 1 on Mar 6, 2025. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
IPR2025-00701
Filing Date
Mar 6, 2025
Petitioner
Western Digital Technologies et al.
Respondent
Godo Kaisha IP Bridge 1
Status
Pending
Respondent Application Number
15428842
Respondent Tech Center
2800
Respondent Patent Number
10367138

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

Patent Owner's Preliminary Response

Jul 16, 2025PAPERPATENT OWNER

Duke pgs. 1, 7, 35, 78

Jul 16, 2025EXHIBITPATENT OWNER

Ferromagnetism - The New Encyclopaedia Britannica

Jul 16, 2025EXHIBITPATENT OWNER

Amorphous - Oxford English Reference Dictionary

Jul 16, 2025EXHIBITPATENT OWNER

Amorphous - The Merriam Webster Dictionary

Jul 16, 2025EXHIBITPATENT OWNER

Transcript of 06-24-2025 Deposition of Jeffrey Bokor, Ph.D.

Jul 16, 2025EXHIBITPATENT OWNER

Transcript of 06-25-2025 Deposition of Jeffrey Bokor, Ph.D.

Jul 16, 2025EXHIBITPATENT OWNER

Saito - Correlation between Barrier Width, Barrier Height, and DC Bias Voltage

Jul 16, 2025EXHIBITPATENT OWNER

JP5120680B2 with Certified English Translation

Jul 16, 2025EXHIBITPATENT OWNER

Errata Sheet 6-24 Bokor Depo Transcript [IPR2024-01494]

Jul 16, 2025EXHIBITPATENT OWNER

Errata Sheet 6-25 Bokor Depo Transcript [IPR2024-01447, -01493]

Jul 16, 2025EXHIBITPATENT OWNER

[SUBSTITUTE] Yuasa - IEEE Magnetics Society

Jul 16, 2025EXHIBITPATENT OWNER

[SUBSTITUTE] AIST 20th Tsukuba Prize winner

Jul 16, 2025EXHIBITPATENT OWNER

[SUBSTITUTE] Technological seeds that overcome the valley of death

Jul 16, 2025EXHIBITPATENT OWNER

Petitioner's Opposition to Patent Owner's Request for Discretionary Denial of Institution

Jul 16, 2025PAPERPETITIONER

Hard disk Market – Global Industry Analysis and Forecast

Jun 16, 2025EXHIBITPATENT OWNER

Yuasa citations

Jun 16, 2025EXHIBITPATENT OWNER

Yuasa citations 2

Jun 16, 2025EXHIBITPATENT OWNER

US20070195592A1

Jun 16, 2025EXHIBITPATENT OWNER

US8514527 File History

Jun 16, 2025EXHIBITPATENT OWNER

US7851785 File History

Jun 16, 2025EXHIBITPATENT OWNER

EP1737055A1

Jun 16, 2025EXHIBITPATENT OWNER

IPR2024-01386, Paper No. 1 ('198 Petition)

Jun 16, 2025EXHIBITPATENT OWNER

IPR2024-01386, Paper No. 8 ('198 POPR)

Jun 16, 2025EXHIBITPATENT OWNER

IPR2024-01386, Paper 10 ('198 Decision Denying Institution)

Jun 16, 2025EXHIBITPATENT OWNER

IPR2024-01384, Paper No. 1 ('403 Petition)

Jun 16, 2025EXHIBITPATENT OWNER

IPR2024-01384, Paper No. 8 ('403 POPR)

Jun 16, 2025EXHIBITPATENT OWNER

IPR2024-01385, Paper No. 1 ('263 Petition)

Jun 16, 2025EXHIBITPATENT OWNER

IPR2024-01385, Paper No. 8 ('263 POPR)

Jun 16, 2025EXHIBITPATENT OWNER

IPR2024-01494, Paper No. 1 ('909 Petition)

Jun 16, 2025EXHIBITPATENT OWNER

Yuasa (2004) JJAP - High Tunnel Magnetoresistance at Room Temperature

Jun 16, 2025EXHIBITPATENT OWNER

Yuasa (2004) Nature Materials - Giant room-temperature magnetoresistance

Jun 16, 2025EXHIBITPATENT OWNER

Djayaprawira (2005) APL - 230% room-temperature magnetoresistance

Jun 16, 2025EXHIBITPATENT OWNER

Marrows (2005) Advances in Physics - Spin-polarised currents and magnetic domain walls

Jun 16, 2025EXHIBITPATENT OWNER

Tsymbal (2012) - Handbook of Spin Transport and Magnetism

Jun 16, 2025EXHIBITPATENT OWNER

Zhu (2006) WD Materials Today - Magnetic tunnel junctions

Jun 16, 2025EXHIBITPATENT OWNER

Nakatani (2018) WD - Read sensor technology

Jun 16, 2025EXHIBITPATENT OWNER

Jiang (2023) TDK - Tunneling magnetoresistive devices

Jun 16, 2025EXHIBITPATENT OWNER

The 23rd (FY2022) Japan Society of Applied Physics Achievement

Jun 16, 2025EXHIBITPATENT OWNER

23rd Japan Society of Applied Physics (JSAP) Award

Jun 16, 2025EXHIBITPATENT OWNER

2021 New Fellows - IEEE Japan Council

Jun 16, 2025EXHIBITPATENT OWNER

JST owned patent wins Future Creative Invention Prize

Jun 16, 2025EXHIBITPATENT OWNER

JST Yuasa profile

Jun 16, 2025EXHIBITPATENT OWNER

AIST wins 2016 Minister of Education, Culture, Sports, Science and Technology

Jun 16, 2025EXHIBITPATENT OWNER

Yuasa (2012) IEEE - Magnetoresistance and Spin-Transfer Torque

Jun 16, 2025EXHIBITPATENT OWNER

Yuasa - IEEE Magnetics Society

Jun 16, 2025EXHIBITPATENT OWNER

AIST 20th Tsukuba Prize winner

Jun 16, 2025EXHIBITPATENT OWNER

Winners of the Tsukuba Prize

Jun 16, 2025EXHIBITPATENT OWNER

AIST 34th Inoue Harunari Prize

Jun 16, 2025EXHIBITPATENT OWNER

Technological seeds that overcome the valley of death

Jun 16, 2025EXHIBITPATENT OWNER

The Asahi Shimbun Company - The Asahi Prize

Jun 16, 2025EXHIBITPATENT OWNER

Maat (2014) WD Handbook of Spintronics

Jun 16, 2025EXHIBITPATENT OWNER

US20060003185A1

Jun 16, 2025EXHIBITPATENT OWNER

Kittel - Introduction to Solid State Physics

Jun 16, 2025EXHIBITPATENT OWNER

Western Digital Annual Report 2024

Jun 16, 2025EXHIBITPATENT OWNER

Gao - Thin Film Application in Magnetic Recording

Jun 16, 2025EXHIBITPATENT OWNER

Kaiser - Optimization of tunneling magnetoresistance

Jun 16, 2025EXHIBITPATENT OWNER

Park - Influence of Boron Diffusion on Transport

Jun 16, 2025EXHIBITPATENT OWNER

Tigunta (2019)

Jun 16, 2025EXHIBITPATENT OWNER

Tigunta (2020)

Jun 16, 2025EXHIBITPATENT OWNER

Kongtungmon - Effect of annealing atmosphere

Jun 16, 2025EXHIBITPATENT OWNER

US8254067

Jun 16, 2025EXHIBITPATENT OWNER

US8336194

Jun 16, 2025EXHIBITPATENT OWNER

US9287494

Jun 16, 2025EXHIBITPATENT OWNER

US6650513

Jun 16, 2025EXHIBITPATENT OWNER

Soukup Dissertation

Jun 16, 2025EXHIBITPATENT OWNER

HGST-WD Patent Assignment Data

Jun 16, 2025EXHIBITPATENT OWNER

WDC Completes HGST Buyout - Analyst Blog - Nasdaq

Jun 16, 2025EXHIBITPATENT OWNER

US8514527

Jun 16, 2025EXHIBITPATENT OWNER

US7851785

Jun 16, 2025EXHIBITPATENT OWNER

Patent Owner’s Request for Discretionary Denial

Jun 16, 2025PAPERPATENT OWNER

Notice: Notice filing date accorded

Apr 16, 2025PAPERBOARD

Patent Owner's Power of Attorney

Mar 26, 2025PAPERPATENT OWNER

Patent Owner's Mandatory Notices

Mar 26, 2025PAPERPATENT OWNER

U.S. Patent No. 7,884,403

Mar 6, 2025EXHIBITPETITIONER

File History of U.S. Patent No. 7,884,403

Mar 6, 2025EXHIBITPETITIONER

U.S. Patent No. 8,319,263

Mar 6, 2025EXHIBITPETITIONER

File History for U.S. Patent No. 8,319,263

Mar 6, 2025EXHIBITPETITIONER

U.S. Patent No. 8,405,134

Mar 6, 2025EXHIBITPETITIONER

File History for U.S. Patent No. 8,405,134

Mar 6, 2025EXHIBITPETITIONER

U.S. Patent No. 9,123,463

Mar 6, 2025EXHIBITPETITIONER

File History for U.S. Patent No. 9,123,463

Mar 6, 2025EXHIBITPETITIONER

U.S. Patent No. 9,608,198

Mar 6, 2025EXHIBITPETITIONER

File History for U.S. Patent No. 9,608,198

Mar 6, 2025EXHIBITPETITIONER

U.S. Patent No. 10,367,138

Mar 6, 2025EXHIBITPETITIONER

File History for U.S. Patent No. 10,367,138

Mar 6, 2025EXHIBITPETITIONER

U.S. Patent No. 10,680,167

Mar 6, 2025EXHIBITPETITIONER

File History for U.S. Patent No. 10,680,167

Mar 6, 2025EXHIBITPETITIONER

U.S. Patent No. 11,737,372

Mar 6, 2025EXHIBITPETITIONER

File History for U.S. Patent No. 11,737,372

Mar 6, 2025EXHIBITPETITIONER

U.S. Patent No. 11,968,909

Mar 6, 2025EXHIBITPETITIONER

File History for U.S. Patent No. 11,968,909

Mar 6, 2025EXHIBITPETITIONER

Patent Family Tree

Mar 6, 2025EXHIBITPETITIONER

Japanese Patent No. JP2004071186

Mar 6, 2025EXHIBITPETITIONER

Translation of Japanese Patent No. JP2004071186

Mar 6, 2025EXHIBITPETITIONER

Japanese Patent App. No. JP2004313350

Mar 6, 2025EXHIBITPETITIONER

Translation of Japanese Patent App. No. JP2004313350

Mar 6, 2025EXHIBITPETITIONER

Bokor CV

Mar 6, 2025EXHIBITPETITIONER

Bowen, 79 Appl. Phys. Letters 1655-1657 (2001)

Mar 6, 2025EXHIBITPETITIONER

European Patent App. No. EP1391942A1 (Nagahama)

Mar 6, 2025EXHIBITPETITIONER

Soukup, 41 J. Appl. Phys. 3229-3236 (1970)

Mar 6, 2025EXHIBITPETITIONER

Japanese Patent App. Pub. No. JP2002204004A (Sunai)

Mar 6, 2025EXHIBITPETITIONER

Translation of Japanese Patent App. Pub. No. JP2002204004A (Sunai)

Mar 6, 2025EXHIBITPETITIONER

Simmons, 34 J. Appl. Phys. 1793-1803 (1963)

Mar 6, 2025EXHIBITPETITIONER

Trasatti, 67 J. Chem. Soc. 229-236 (1972)

Mar 6, 2025EXHIBITPETITIONER

Julliere, 54A Phys. Letters 225-226 (1975)

Mar 6, 2025EXHIBITPETITIONER

Miyazaki, 139 J. Magnetism & Magnetic Materials L231-L234 (1995)

Mar 6, 2025EXHIBITPETITIONER

Moodera, 74 Phys. Rev. Lett. 3273–3276 (1995)

Mar 6, 2025EXHIBITPETITIONER

Wulff, 23 Surface & Interface Analysis 148-154 (1995)

Mar 6, 2025EXHIBITPETITIONER

Castanier, 364 Surf. Sci. 1-16 (1996)

Mar 6, 2025EXHIBITPETITIONER

Moodera, 79 J. Appl. Phys. 4724-4729 (1996)

Mar 6, 2025EXHIBITPETITIONER

Tehrani, 35 IEEE Trans. Magn. 2814-2819 (1999)

Mar 6, 2025EXHIBITPETITIONER

Yoon, 60 Phys. Rev. 2839-2843 (1999)

Mar 6, 2025EXHIBITPETITIONER

Wollschläger, 142 Appl. Surface Science 129-134 (1999)

Mar 6, 2025EXHIBITPETITIONER

Pacchioni, 2 Solid State Scis. 161-179 (2000)

Mar 6, 2025EXHIBITPETITIONER

Heinrich, Single Crystal Tunnel Junctions, IEEE (2000)

Mar 6, 2025EXHIBITPETITIONER

Butler, 63 Phys. Rev. B 054416 (2001)

Mar 6, 2025EXHIBITPETITIONER

Klaua, 64 Phys. Rev. B. 134411 (2001)

Mar 6, 2025EXHIBITPETITIONER

Mathon, 63 Phys. Rev. 220403 (2001)

Mar 6, 2025EXHIBITPETITIONER

Wulfhekel, 78 Appl. Phys. Letters 509-511 (2001)

Mar 6, 2025EXHIBITPETITIONER

Bogicevic, 515 Surf. Sci. L481-486 (2002)

Mar 6, 2025EXHIBITPETITIONER

Kim, 2 J. Semicond. Tech. Sci. 185-196 (2002)

Mar 6, 2025EXHIBITPETITIONER

Yuasa, 35 J. Phys. D. 2427-2431 (2002)

Mar 6, 2025EXHIBITPETITIONER

Meyerheim, 87 Phys. Rev. Letters 076102 (2001)

Mar 6, 2025EXHIBITPETITIONER

Faure-Vincent, 82 App. Phys. Letters 4507-4509 (2003)

Mar 6, 2025EXHIBITPETITIONER

Mitani, 93 J. Appl. Phys. 8041-8043 (2003)

Mar 6, 2025EXHIBITPETITIONER

Goniakowski, 12 Interface Science 93–103 (2004)

Mar 6, 2025EXHIBITPETITIONER

Wang, 40 IEEE Trans. Magn. 2269-2271 (2004)

Mar 6, 2025EXHIBITPETITIONER

U.S. Patent Publication No. 2004/0136232A1 (Hosomi)

Mar 6, 2025EXHIBITPETITIONER

Dieny (IEEE Press 2017) (excerpts)

Mar 6, 2025EXHIBITPETITIONER

Amodeo, 8 Crystals 240 (2018)

Mar 6, 2025EXHIBITPETITIONER

Matthews, 123 J. Appl. Phys. 136101 (2018)

Mar 6, 2025EXHIBITPETITIONER

Jimbo, 165 J. Magnetism & Magnetic Materials 308-311 (1997)

Mar 6, 2025EXHIBITPETITIONER

Cardoso, 40 IEEE Trans. Magn. 2272-2274 (2004)

Mar 6, 2025EXHIBITPETITIONER

U.S. Patent No. 7,270,896 (Parkin)

Mar 6, 2025EXHIBITPETITIONER

Complaint, IP Bridge v. WD, No. 24-00342-RGA (D. Del. Mar. 15, 2024)

Mar 6, 2025EXHIBITPETITIONER

Complaint Ex. D (’403 Claim Chart), IP Bridge v. WD, 24-00342-RGA (D. Del.)

Mar 6, 2025EXHIBITPETITIONER

Comp. Ex. E (’263 Claim Chart) , IP Bridge v. WD, 24- 00342 (D. Del.)

Mar 6, 2025EXHIBITPETITIONER

Comp. Ex. F (’372 Claim Chart) , IP Bridge v. WD, 24-00342 (D. Del.)

Mar 6, 2025EXHIBITPETITIONER

First Am. Comp., IP Bridge v. WD, No. 24-cv-00342 (D. Del. July 8, 2024)

Mar 6, 2025EXHIBITPETITIONER

First. Am. Comp. Ex. AA (’403 Am. Claim Chart), IP Bridge v. WD (D. Del.)

Mar 6, 2025EXHIBITPETITIONER

First Am. Comp. Ex. BB (’263 Am. Claim Chart), IP Bridge v. WD (D. Del.)

Mar 6, 2025EXHIBITPETITIONER

First Am. Comp. Ex. CC (’372 Am. Claim Chart), IP Bridge v. WD (D. Del.)

Mar 6, 2025EXHIBITPETITIONER

First Am. Comp. Ex. DD (’909 Claim Chart), IP Bridge v. WD (D. Del.)

Mar 6, 2025EXHIBITPETITIONER

First Am. Comp. Ex. EE (’138 Claim Chart), IP Bridge v. WD (D. Del.)

Mar 6, 2025EXHIBITPETITIONER

First Am. Comp. Ex. FF (’198 Claim Chart), IP Bridge v. WD (D. Del.)

Mar 6, 2025EXHIBITPETITIONER

First Am. Comp. Ex. GG (’463 Claim Chart), IP Bridge v. WD (D. Del.)

Mar 6, 2025EXHIBITPETITIONER

First Am. Comp. Ex. HH (’167 Claim Chart), IP Bridge v. WD (D. Del.)

Mar 6, 2025EXHIBITPETITIONER

First Am. Comp. Ex. II (’134 Patent Claim Chart), IP Bridge v. WD (D. Del.)

Mar 6, 2025EXHIBITPETITIONER

Docket, Godo Kaisha IP Bridge 1 v. Western Digital, Case No. 24-cv-00342-RG

Mar 6, 2025EXHIBITPETITIONER

US District Courts Statistics (Dec. 31, 2023) (excerpts)

Mar 6, 2025EXHIBITPETITIONER

Microsoft Computer Dictionary (2002) (excerpts)

Mar 6, 2025EXHIBITPETITIONER

Order granting transfer, IP Bridge v. WD, 24 -00342 (D. Del. Sept. 4, 2024)

Mar 6, 2025EXHIBITPETITIONER

U.S. Patent No. 7,751,156

Mar 6, 2025EXHIBITPETITIONER

U.S. Patent No. 8,427,791

Mar 6, 2025EXHIBITPETITIONER

U.S. Patent No. 8,914,970

Mar 6, 2025EXHIBITPETITIONER

Jt Stip and Order to Stay Litigation, IP Bridge v. WD, (N.D. Cal.)

Mar 6, 2025EXHIBITPETITIONER

File History for U.S. Patent App. No. 18/232,576

Mar 6, 2025EXHIBITPETITIONER

File History for U.S. Patent App. No. 18/642,280

Mar 6, 2025EXHIBITPETITIONER

Japanese Patent No. JP2000106462 (“Kishi”)

Mar 6, 2025EXHIBITPETITIONER

Espacenet Translation of Japanese Patent No. JP2000106462 (“Kishi”)

Mar 6, 2025EXHIBITPETITIONER

U.S. Patent No. 7,252,852 (Parkin-852)

Mar 6, 2025EXHIBITPETITIONER

U.S. Patent No. 7,598,555 (Parkin-555)

Mar 6, 2025EXHIBITPETITIONER

File History for U.S. Patent App. No. 10/824,835 (Parkin-835)

Mar 6, 2025EXHIBITPETITIONER

Hall-Ellis CV

Mar 6, 2025EXHIBITPETITIONER

Library copy of Wang (EX1055)

Mar 6, 2025EXHIBITPETITIONER

Bokor Declaration

Mar 6, 2025EXHIBITPETITIONER

Hall-Ellis Declaration

Mar 6, 2025EXHIBITPETITIONER

Petition: as filed

Mar 6, 2025PAPERPETITIONER

Notice: Power of Attorney

Mar 6, 2025PAPERPETITIONER