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

Explore the PTAB proceeding IPR2025-00228 filed by Micron Technology, Inc. et al. on 2024-11-29. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00228

Filing Date

2024-11-29

Accorded Filing Date

2024-11-29

Institution Decision Date

2025-07-25

Last Modified Date

2026-08-20

Proceeding Type

IPR

Termination Date

2026-07-20

Trial Status

Final Written Decision

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 16865056

Respondent Patent Number 11101276

External Links

Espacenet

Google Patents

Respondent Inventor Jifeng ZHU et al

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

Address and Attorney/Agent Information

23 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name HANLEY, FLIGHT & ZIMMERMAN, LLC

Customer Number 34431

Address 10 S. WACKER DRIVE, SUITE 3500, CHICAGO, IL, 60606, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
29575	Larry Palguta	312-580-1020
37622	James Flight	312-580-1020
44006	Mark Zimmerman	131-258-01094
44736	Mark Hanley	312-580-1020
47680	Kim Jacklin	813-489-5450
50833	Joseph Jasper	312-580-1020
51728	Christopher George	312-580-1020
57993	Michael Zimmerman	312-580-1020
59727	Sergio Filice	312-580-1020
61190	Peter Cesarz	312-580-1020
61971	Felipe Hernandez Jr.	312-580-1020
64442	Brandon Dube	312-580-1020
64894	William Jacklin	312-580-1020
68104	Marianne Buckley	312-580-1020
68130	Scott Salmon	312-580-1020
72271	Syed Ali	312-580-1020
72724	Michael Lenisa	312-580-1588
79246	Sophia Pilipchuk	312-676-1737
79969	Alyssa Prindiville	312-580-1097
81413	Kristopher Sabatini	312-676-1727
81678	Mary Vollmar	314-365-6590
82060	David Osinski	312-580-1020
82684	Justin Lizalek	312-676-1746

Proceeding Documents

173

Joint Motion to Expunge Confidential Information from the Record MOTION

2026-07-30 FILING PARTY: PETITIONER

Download

Final Written Decision: original FINAL

2026-07-20 FILING PARTY: BOARD

Download

Other: Hearing transcript OTHER

2026-05-19 FILING PARTY: BOARD

Download

2034

Ex. 2034 - Patent Owner's Demonstratives Exhibit

2026-04-20 FILING PARTY: PATENT OWNER

Download

1095

Ex. 1095 (Hearing Demonstratives) Exhibit

2026-04-20 FILING PARTY: PETITIONER

Download

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

Joint Motion to Expunge Confidential Information from the Record MOTION

Final Written Decision: original FINAL

Other: Hearing transcript OTHER

Ex. 2034 - Patent Owner's Demonstratives Exhibit

Ex. 1095 (Hearing Demonstratives) Exhibit

Petitioner's Updated Exhibit List NOTICE

Patent Owner's Updated Exhibit List NOTICE

Order: ORDER Setting Oral Argument 37 C.F.R. § 42.70 ORDER

Patent Owner's Sur-Reply OTHER

Petitioner's Request for Oral Argument OTHER

Patent Owner's Request for Oral Argument OTHER

Patent Owner's Unopposed Motion to Withdraw Backup Counsel MOTION

Patent Owner's Objections to Petitioner's Evidence OTHER

Ex. 1088 Exhibit

Ex. 1090 Exhibit

Ex. 1091 Exhibit

Ex. 1085 Exhibit

Ex. 1086 Exhibit

Ex. 1093 Exhibit

Ex. 1094 Exhibit

Ex. 1087 Exhibit

Petitioner's Reply Brief REPLYTOOPP

Ex. 1089 Exhibit

Ex. 1092 Exhibit

Notice of Joint Stipulation to Adjust Due Dates 2 and 3 NOTICE

Patent Owner's Updated Power of Attorney NOTICE

Patent Owner's Updated Mandatory Notices NOTICE

Patent Owner's Updated Mandatory Notices NOTICE

ORDER Granting Patent Owner’s Motions for Pro Hac Vice Admission of Robert B. Dunteman 37 C.F.R. § 42.10 ORDER

Petitioner's Notice of Cross-Examination by Deposition of Stephen Campbell NOTICE

Joint Stipulation to Extend Due Dates 2-3 OTHER

Petitioner's Objections to Patent Owner's Exhibit 2033, Declaration of Benjamin Smith in Response to Petitioner's Objections to Evidence OTHER

Ex. 2032 - R. Dunteman Decl iso PHV Motion Exhibit

Patent Owner's Unopposed Motion for Pro Hac Vice Admission of Robert B. Dunteman MOTION

Patent Owner's Updated Power of Attorney NOTICE

Patent Owner's Updated Mandatory Notices NOTICE

Petitioner's Objections to Patent Owner's Exhibit 2031, Declaration of Benjamin Smith in Response to Petitioner's Objections to Evidence OTHER

Patent Owner's Updated Mandatory Notices NOTICE

Patent Owner's Updated Mandatory Notices NOTICE

Patent Owner's Updated Power of Attorney NOTICE

Petitioner's Objections to Evidence OTHER

Ex. 2027 Lapedus, 3D NAND Flash Wars Begin (8.20.2018) Exhibit

Ex. 2023 Singh, Overcoming Challenges in 3D NAND Volume Mfg (July 2017) (excerpt) Exhibit

Ex. 2028 Lapedus, 3D NAND Metrology Challenges Growing (4.9.2019) Exhibit

Ex. 2030 Fabrication Eng'rg at the Micro- Nanoscale (Ch. 11) (excerpt) Exhibit

Ex. 2022 Micheloni 3D Flash Memories (2016) Exhibit

Ex. 2029 Lapedus, 3D NAND's Vertical Scaling Race (12.17.2020) Exhibit

Ex. 2021 Sanjay Banerjee Dep. (8.13.2025) (711 Patent) Exhibit

Patent Owner's Response RESPONSE

Ex. 2024 ThermoScientific, White Paper - The Challenge of Measuring Buried . . . Exhibit

Ex. 2026 Shirey, Digging Deep Into High Aspect Ratio . . . (10.18.2018) Exhibit

Ex. 2025 Lapedus, What's Next for NAND (5.19.2016) Exhibit

Ex. 2020 Sanjay Banerjee Dep. (10.2.2025) (276 Patent) Exhibit

Ex. 2019 276 Declaration of Stephen Campbell in Supp. of PO's Response (-00228) Exhibit

Joint Stipulation to Extend Due Dates 1 - 3 OTHER

General Order: Related Matters Updates ORDER

Patent Owner's Notice of Deposition of Sanjay Banerjee NOTICE

Patent Owner's Objections to Petitioner's Evidence OTHER

SCHEDULING ORDER ORDER

Patent Owner's Objections to Petitioner's Evidence OTHER

Patent Owner's Updated Mandatory Notices NOTICE

Patent Owner's Updated Power of Attorney NOTICE

Institution Decision: Grant DECISION

Director Discretionary Decision: Refer RESPONSE

Patent Owner's Updated Mandatory Notices NOTICE