SK hynix Inc. vs. Advanced Memory Technologies LLC

Explore the PTAB proceeding IPR2025-01453 filed by SK hynix Inc. on 2025-08-25. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-01453

Filing Date

2025-08-25

Accorded Filing Date

2025-08-25

Institution Decision Date

2025-12-18

Last Modified Date

2026-03-10

Proceeding Type

IPR

Termination Date

2025-12-18

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

SK hynix Inc.

Represented By

Glass, Jameset al

Patent Owner / Respondent

Advanced Memory Technologies LLC

Represented By

Heim, Michaelet 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 13190130

Respondent Patent Number 8400835

External Links

Espacenet

Google Patents

Respondent Inventor Yukimasa HAMAMOTO et al

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

Address and Attorney/Agent Information

4 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name MICHAEL J. CHERSKOV - SZYMON M. GURDA

Customer Number 27197

Address 903 COMMERCE DR, SUITE 310, OAK BROOK, IL, 60523, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
30836	Donald Flaynik Jr	815-467-4333
33664	Michael Cherskov	312-621-1330
58451	Szymon Gurda	312-621-1330
84142	Yi Lu	312-621-1330

Proceeding Documents

Notice: refund approved NOTICE

2026-03-10 FILING PARTY: BOARD

Download

Petitioner's Refund Request OTHER

2026-03-03 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2025-12-18 FILING PARTY: BOARD

Download

1028

Ex. 1028 Exhibit

2025-12-01 FILING PARTY: PETITIONER

Download

Motion to Seal MOTION

2025-12-01 FILING PARTY: PETITIONER

Download

SK hynix Inc. vs. Advanced Memory Technologies LLC

Proceeding Overview

Parties & Counsel

Petitioner

SK hynix Inc.

Represented By

Patent Owner / Respondent

Advanced Memory Technologies LLC

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

Petitioner's Refund Request OTHER

Director Discretionary Decision: Deny RESPONSE

Ex. 1028 Exhibit

Motion to Seal MOTION

Public Response to Patent Owner's Discretionary Denial Brief RESPONSE

Ex. 1027 Exhibit

Ex. 1029 Exhibit

PO Preliminary Response POPR

EX2003 - EDTX 2:24-cv-01078, Second Amended DCO (Dkt 27) 4/11/2025 Exhibit

EX2005 - EDTX 2:24-cv-01078 Order Denying Motion for Stay Pending IPR (Dkt 79) 9/3/2025 Exhibit

Patent Owner's Discretionary Denial Briefing Pursuant to the Director's March 26, 2025 Memorandum RESPONSE

EX2006 - United States District Courts — National Judicial Caseload Profile (including data through June 30, 2025) Exhibit

EX2007 - EDTX 2:24-cv-01078 Def SH Hynix’s Preliminary Invalidity Contentions, 6/25/2025 Exhibit

EX2001 - EDTX 2:24-cv-01078, Complaint (Dkt 1) 12/30/2024 Exhibit

EX2011 - Docket Navigator Time To Trial Statistics (Judge Gilstrap) 10/20/2024 – 10/20/2025 Exhibit

EX2012 - Lex Machina Time to Trial Statistics (Judge Gilstrap) 10/20/2024 – 10/20/2025 Exhibit

EX2002 - EDTX 2:24-cv-01078, Amended Complaint (Dkt 25) 4/2/2025 Exhibit

EX2008 - EDTX 2:24-cv-01078 Omnibus Obviousness Chart E-OB for Patent 8,400,835, 6/25/2025 Exhibit

Petitioner's Sotera Stipulation OTHER

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

Notice: Notice filing date accorded NOTICE

Ex. 1026 Exhibit

Ex. 1019 Exhibit

Ex. 1009 Exhibit

Ex. 1003 Exhibit

Ex. 1023 Exhibit

Notice: Power of Attorney NOTICE

Ex. 1016 Exhibit

Ex. 1013 Exhibit

Ex. 1018 Exhibit

Ex. 1010 Exhibit

Ex. 1015 Exhibit

Ex. 1014 Exhibit

Ex. 1012 Exhibit

Petition: as filed PETITION

Ex. 1017 Exhibit

Ex. 1020 Exhibit

Ex. 1002 Exhibit

Ex. 1025 Exhibit

Ex. 1011 Exhibit

Ex. 1006 Exhibit

Ex. 1001 Exhibit

Ex. 1024 Exhibit

Ex. 1022 Exhibit

Ex. 1005 Exhibit

Ex. 1004 Exhibit

Ex. 1008 Exhibit

Ex. 1021 Exhibit