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

Explore the PTAB proceeding PGR2025-00021 filed by Micron Technology, Inc. et al. on 2025-01-06. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

PGR2025-00021

Filing Date

2025-01-06

Accorded Filing Date

2025-01-06

Institution Decision Date

2025-09-03

Last Modified Date

2026-09-11

Proceeding Type

PGR

Termination Date

2026-09-02

Trial Status

Final Written Decision

Parties & Counsel

Petitioner

Micron Technology, Inc. et al.

Represented By

Herman, K.et 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 17447456

Respondent Patent Number 12010838

External Links

Espacenet

Google Patents

Respondent Inventor Zhenyu Lu 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

163

Joint Motion to Expunge Confidential Information From the Record MOTION

2026-09-11 FILING PARTY: PETITIONER

Download

Final Written Decision: JUDGMENT Final Written Decision Determining All Challenged Claims Unpatentable 35 U.S.C. § 328(a) FINAL

2026-09-02 FILING PARTY: BOARD

Download

Other: Hearing transcript OTHER

2026-08-21 FILING PARTY: BOARD

Download

1083

Ex. 1083 (Hearing Demonstratives) Exhibit

2026-05-28 FILING PARTY: PETITIONER

Download

Petitioner's Updated Exhibit List and Hearing Demonstratives NOTICE

2026-05-28 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: JUDGMENT Final Written Decision Determining All Challenged Claims Unpatentable 35 U.S.C. § 328(a) FINAL

Other: Hearing transcript OTHER

Ex. 1083 (Hearing Demonstratives) Exhibit

Petitioner's Updated Exhibit List and Hearing Demonstratives NOTICE

Patent Owner's Updated Exhibit List NOTICE

Ex. 2048 - Patent Owner's Demonstratives Exhibit

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

Patent Owner's Request for Oral Argument OTHER

Petitioner's Request for Oral Argument OTHER

Ex. 2047 - Transcript of the Deposition of Jack C. Lee, Ph.D. (3.25.2026) Exhibit

Patent Owner's Sur-Reply OTHER

Patent Owner's Notice of Deposition of Jack C. Lee, Ph.D. NOTICE

Patent Owner's Objections to Petitioner's Evidence OTHER

Ex. 1080 Exhibit

Ex. 1082 Exhibit

Ex. 1079 Exhibit

Ex. 1075 Exhibit

Ex. 1076 Exhibit

Petitioner's Motion to Seal Ex. 1078 MOTION

Ex. 1077 Exhibit

Petitioner's Reply REPLYTOOPP

Ex. 1081 Exhibit

Petitioner's Notice of Cross-Examination by Deposition of Konstantinos P. Giapis, Ph.D. NOTICE

Petitioner's Objections to Patent Owner's Response Evidence OTHER

Ex. 2042 - Kuiper (1988) Exhibit

Ex. 2027 - Light and Lasers, ASML Exhibit

Ex. 2032 - Lee Dep. Ex. 1 (666 depo) Exhibit

Ex. 2034 - Lee Dep. Ex. 3 (666 depo) Exhibit

Ex. 2029 - Zumdahl et al., Bonding General Concepts (excerpt) Exhibit

Ex. 2044 - Chen (2005) Exhibit

Ex. 2031 - Jack C. Lee Dep. (08.13.2025) (666 Dep.) Exhibit

Ex. 2021 - U.S. Patent No. 11,145,666 B2 Exhibit

Ex. 2037 - Lee Dep. Ex. 6 (666 depo) Exhibit

Ex. 2030 - Jack C. Lee Dep. (10.30.2025) (838 Dep.) Exhibit

Ex. 2023 - Counterpoint, Scaling to 1,000-Layer 3D NAND in the AI Era Exhibit

Ex. 2045 - Barranco (2005) Exhibit

Ex. 2039 - Lee Dep. Ex. 8 (666 depo) Exhibit

Ex. 2033 - Lee Dep. Ex. 2 (666 depo) Exhibit

Ex. 2036 - Lee Dep. Ex. 5 (666 depo) Exhibit

Ex. 2040 - Lee Dep. Ex. 9 (666 depo) Exhibit

Ex. 2025 - EFY Bureau, At 20nm, Chips Have Features Sized Ten Times Smaller Than the Wavelength of Laser Exhibit

Ex. 2041 - U.S. Patent Application Publication No. US 20180301460 A1 Exhibit

Ex. 2038 - Lee Dep. Ex. 7 (666 depo) Exhibit

Ex. 2019 - Declaration of Konstantinos Giapis ISO Patent Owner's Response Exhibit

Ex. 2024 - Micheloni, 3D Flash Memories, Ch. 7 (2016) (excerpt) Exhibit

Ex. 2028 - Plummer et al., Silicon VLSI Technology (2000) (excerpts) Exhibit

Patent Owner's Response RESPONSE

Ex. 2035 - Lee Dep. Ex. 4 (666 depo) Exhibit

Ex. 2020 - U.S. Patent No. 9,006,884 B2 Exhibit

Ex. 2026 - 2006 Press Release, ASML Extends ArF Leadership Exhibit

Ex. 2043 - Lin (2004) Exhibit

Ex. 2022 - Excerpt of File History U.S. Patent Application No. 16126956 FH Exhibit

Patent Owner's Updated Mandatory Notices NOTICE

Patent Owner's Notice of Deposition of Jack Lee NOTICE

Order: SCHEDULING ORDER ORDER

General Order: Related Matters Updates ORDER

Patent Owner's Objections to Petitioner's Evidence OTHER

Decision Granting Institution of Post-Grant Review DECISION

Patent Owner's Updated Mandatory Notices NOTICE

Patent Owner's Updated Power of Attorney NOTICE

Director Discretionary Decision: Refer RESPONSE

Ex. 1055 Exhibit

Ex. 1029 Exhibit

Ex. 1031 Exhibit