Micron Technology, Inc. et al. vs. Yangtze Memory Technologies Company, Ltd.

Explore the PTAB proceeding IPR2025-00034 filed by Micron Technology, Inc. et al. on 2024-10-11. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00034

Filing Date

2024-10-11

Accorded Filing Date

2024-10-11

Institution Decision Date

2025-08-28

Last Modified Date

2026-02-18

Proceeding Type

IPR

Termination Date

2025-08-28

Trial Status

Institution Denied

Parties & Counsel

Petitioner

Micron Technology, Inc. et al.

Represented By

Lang, Jeremyet al

Patent Owner / Respondent

Yangtze Memory Technologies Company, Ltd.

Represented By

Osman, Ingeet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2800 - Semiconductors, Electrical & Optical Systems

Patent Information

1 Patent Involved

Respondent Application Number 16745343

Respondent Patent Number 10879254

External Links

Espacenet

Google Patents

Respondent Inventor Mei Lan Guo et al

Respondent Tech Center TC 2800 - Semiconductors, Electrical & Optical Systems

Address and Attorney/Agent Information

14 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Bayes PLLC

Customer Number 153988

Address 8260 Greensboro Drive, Suite 625, McLean, VA, 22102, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
34528	Ben Hsing	703-995-9887
34752	Raymond Werner	202-714-4422
62003	Cheri Huang	703-995-9887
62107	Anthony Canning	415-805-7942
66041	Zhiwei Zou	703-995-9887
69583	Jiayu Song	703-995-9887
69585	Gang Ye	703-995-9887
73999	Wenchong Shu	201-565-5739
74408	Su Xu	503-998-7594
76865	Andrew Ramos	703-995-9887
76888	Kris Teng	973-539-5330
77158	Zhiming Deng	703-995-9887
79975	Ziyou Zhou	434-832-9027
84246	Ruiqin Wang	571-577-2392

Proceeding Documents

114

Patent Owner's Updated Mandatory Notices NOTICE

2025-11-18 FILING PARTY: PATENT OWNER

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Notice: refund approved NOTICE

2025-10-27 FILING PARTY: BOARD

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PETITIONER’S REQUEST FOR REFUND OF POST-INSTITUTION FEES OTHER

2025-10-24 FILING PARTY: PETITIONER

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Order Expunging Sealed Information after Termination of Proceedings ORDER

2025-10-22 FILING PARTY: BOARD

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Joint Motion to Expunge Confidential Information from the Record MOTION

2025-10-07 FILING PARTY: PATENT OWNER

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Micron Technology, Inc. et al. vs. Yangtze Memory Technologies Company, Ltd.

Proceeding Overview

Parties & Counsel

Petitioner

Micron Technology, Inc. et al.

Represented By

Patent Owner / Respondent

Yangtze Memory Technologies Company, Ltd.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Patent Owner's Updated Mandatory Notices NOTICE

Notice: refund approved NOTICE

PETITIONER’S REQUEST FOR REFUND OF POST-INSTITUTION FEES OTHER

Order Expunging Sealed Information after Termination of Proceedings ORDER

Joint Motion to Expunge Confidential Information from the Record MOTION

Order Granting Director Review, Vacating the Decision Granting Institution, and Denying Institution of Inter Partes Review DECISION

Petitioner's Updated Power of Attorney NOTICE

ORDER Conditionally Granting Petitioner’s Motion for Admission Pro Hac Vice of Jingyuan Luo 37 C.F.R. § 42.10 ORDER

Ex. 2024 - Ex Parte Burger, Decision on Appeal (BPAI No. 2009-004196) (10.27.2009) Exhibit

Ex. 2028 - Shirey, Digging Deep Into High Aspect Ratio . . . (10.18.2018) Exhibit

Ex. 2013 - Ex. 1003 Lee Declaration (322 Patent) (IPR2025-00191) (excerpt) Exhibit

Ex. 2009 - Statutory Disclaimer of Cls. 3, 4, 9, 10, 18 & 20 of 254 Patent Exhibit

Ex. 2026 - Ex Parte Nutalapati, Decision on Appeal (PTAB No. 2018-004192) (7.29.2019) Exhibit

Ex. 2011 - Lapedus, 3D NAND Metrology Challenges Growing (4.9.2019) Exhibit

Ex. 2021 - 254 Declaration of Stephen Campbell ISO POR (-00034) Exhibit

Ex. 2025 - Ex Parte Darr, Decision on Appeal (PTAB No. 2011-011436) (10.21.2013) Exhibit

Ex. 2029 - 3D NAND (2.13.2017) Exhibit

Ex. 2015 - Yang, Creating Higher Density 3D NAND Structures (2.21.2019) Exhibit

Ex. 2022 - Handy, How Do You Access the Control Gates (The Memory Guy) (11.15.2013) Exhibit

Ex. 2012 - Singh, Overcoming Challenges in 3D NAND Volume Manufacturing (July 2017) (excerpt) Exhibit

Ex. 2018 - Lapedus, 3D NAND's Vertical Scaling Race (12.17.2020) Exhibit

Ex. 2020 - Yoo, Highly Selective Etching of SiNx Over SiO2 Using ClF3-Cl2 Remote Plasma (2023) Exhibit

Ex. 2030 - Lapedus, NAND Market Hits Speed Bump (6.21.2017) Exhibit

Ex. 2010 - Lapedus, 3D NAND Race Faces Huge Tech And Cost Challenges (5.23.2019) Exhibit

Ex. 2023 - Lapedus, How to Make 3D NAND (5.23.2016) Exhibit

Ex. 2014 - Lee Deposition (254 Patent) (IPR2025-00034) (7.3.2025) Exhibit

Ex. 2032 - Lapedus, What's Next for NAND (5.19.2016) Exhibit

Patent Owner's Response RESPONSE

Ex. 2031 - Lapedus, 3D NAND Flash Wars Begin (8.20.2018) Exhibit

Ex. 2027 - Ex Parte Okuda, Decision on Appeal (PTAB No. 2009-015032) (5.27.2010) Exhibit

Ex. 2017 - Yu, Tech Brief Memory “Grows Up” with 3D NAND (2016) Exhibit

Ex. 2019 - ThermoScientific, White Paper - The Challenge of Measuring Buried Exhibit

Ex. 2016 - Entegris White Paper - Considerations for Improving 3D NAND Performance Reliability & Yield Exhibit

Patent Owner's Objections to Petitioner's Evidence OTHER

Joint Stipulation to Extend Due Dates 1-2 OTHER

Patent Owner's Updated Mandatory Notices NOTICE

Patent Owner's Updated Power of Attorney NOTICE

Patent Owner's Objections to Petitioner's Evidence OTHER

Petitioner's Updated Mandatory Notices NOTICE

Petitioner's Motion for Admission Pro Hac Vice of Jingyuan Luo MOTION

Ex. 1046 - Luo Decl ISO PHV Exhibit

Patent Owner's Notice of Deposition of Jack Lee NOTICE

Delegation Notice NOTICE

Petitioner's Authorized Response to Director Review Request OTHER

Patent Owner's Updated Mandatory Notices NOTICE

Patent Owner's Updated Power of Attorney NOTICE

Patent Owner's Objections to Petitioner's Evidence OTHER

Ex. 3100 Counsel email for Authorized Response Exhibit

Patent Owner's Request for Director Review REQUEST

Order: ORDER Granting Patent Owner’s Motions to Withdraw Backup Counsel Steven W. Peters ORDER

Institution Decision: Grant DECISION

Order: SCHEDULING ORDER ORDER

Patent Owner's Updated Power of Attorney NOTICE

Patent Owner's Unopposed Motion to Withdraw Backup Counsel MOTION

Patent Owner's Updated Mandatory Notices NOTICE

Order: ORDER Granting Patent Owner’s Motions for Withdrawal of Counsel 37 C.F.R. § 42.10 ORDER

Patent Owner's Unopposed Motion to Withdraw Backup Counsel MOTION

Patent Owner's Updated Mandatory Notices NOTICE

Order: ORDER Granting Petitioner’s Motions for Pro Hac Vice Admission of Jared Bobrow 37 C.F.R. § 42.10 ORDER

Patent Owner's Response to Petitioner's Ranking and Explanation for Two Petitions Challenging U.S. Patent No. 10,879,254 OTHER

Patent Owner's Updated Mandatory Notices NOTICE

Ex. 2004 - U.S. District Courts–Time Intervals Exhibit

Ex. 2006 - Curriculum Vitae of Stephen Campbell, Ph.D Exhibit

Ex. 2001 - Micron’s Motion to Stay the Case Exhibit

Patent Owner's Preliminary Response POPR