PHISON ELECTRONICS CORPORATION vs. Vervain, LLC

Explore the PTAB proceeding PGR2024-00048 filed by PHISON ELECTRONICS CORPORATION on 2024-09-25. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

PGR2024-00048

Filing Date

2024-09-25

Accorded Filing Date

2024-09-25

Institution Decision Date

2025-04-28

Last Modified Date

2026-01-07

Proceeding Type

PGR

Termination Date

2025-04-28

Trial Status

Institution Denied

Parties & Counsel

Petitioner

PHISON ELECTRONICS CORPORATION

Represented By

Chang, Hsuanyehet al

Patent Owner / Respondent

Vervain, LLC

Represented By

Whitehurst, Alanet 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 18373071

Respondent Patent Number 11854612

External Links

Espacenet

Google Patents

Respondent Inventor G.R. Mohan Rao

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

Address and Attorney/Agent Information

6 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name MUNCK WILSON MANDALA L.L.P

Customer Number 25883

Address 2000 McKinney Ave Ste 1900, Dallas, TX, 75201, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
30646	Gregory Howison	972-628-3624
34194	Edward Jorgenson	972-628-3600
37751	Brian Walker	972-628-3652
39095	John Arnott	972-628-3600
66850	William Howison	972-628-3651
74472	Keith Harden	972-628-3611

Proceeding Documents

Notice: refund approved NOTICE

2026-01-07 FILING PARTY: BOARD

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Request for Refund OTHER

2025-12-31 FILING PARTY: PETITIONER

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Institution Decision: Denying Institution of Post-Grant Review 35 U.S.C. sec. 324 DECISION

2025-04-28 FILING PARTY: BOARD

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2031

Preliminary Claim Constructions– email from Mr. Brown received on February 5, 2025. Exhibit

2025-03-03 FILING PARTY: PATENT OWNER

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2032

Markman Hearing Transcript dated February 6, 2025 Exhibit

2025-03-03 FILING PARTY: PATENT OWNER

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PHISON ELECTRONICS CORPORATION vs. Vervain, LLC

Proceeding Overview

Parties & Counsel

Petitioner

PHISON ELECTRONICS CORPORATION Follow

Represented By

Patent Owner / Respondent

Vervain, LLC Follow

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

Request for Refund OTHER

Institution Decision: Denying Institution of Post-Grant Review 35 U.S.C. sec. 324 DECISION

Preliminary Claim Constructions– email from Mr. Brown received on February 5, 2025. Exhibit

Markman Hearing Transcript dated February 6, 2025 Exhibit

Patent Owner's Current List of Exhibits NOTICE

Patent Owner's Updated Mandatory Notice NOTICE

Phison’s Exhibit F Claim Chart, served with its Preliminary Invalidity Contentions on August 16, 2024 in Vervain, LLC v. Phison Electronics Corporation, No. 1:24-CV-259-ADA Exhibit

Excerpts from the Prosecution History of U.S. Patent No. 11,830,546 Exhibit

Oxford Dictionary of Computing (Sixth Edition, 2008) (page 312, defining “memory element”) Exhibit

Vervain, LLC v. Phison Electronics Corporation, No. 1:24-CV-259- ADA, Dkt. 16 (W.D. Tex. Jul. 15, 2024) (agreed scheduling order) Exhibit

Vervain v. Western Digital Corp. et al., No. 6:21-cv-488-ADA, Dkt. 41 (W.D. Tex. Jan. 24, 2022) (Claim Construction Order) Exhibit

U.S. Patent No. 8,194,452 to G. R. Mohan Rao (incorporated by reference by the 546 Patent and 612 Patent) Exhibit

Docket Sheet for Vervain, LLC v. Phison Electronics Corporation, No. 1:24-CV-259-ADA (W.D. Tex.) Exhibit

Declaration of Dr. Sunil Khatri Exhibit

Chen et al., Ultra MLC Technology Introduction, Advantech Technical White Paper (Oct. 5, 2012) (“Chen”) Exhibit

Phison Electronics Corp. v. Vervain, LLC, PGR2024-00047, Paper 2 (P.T.A.B. Aug. 27, 2024) (petition for post grant review of U.S. Patent No. 11,830,546) Exhibit

Vervain, LLC v. Phison Electronics Corporation, No. 1:24-CV-259- ADA, Dkt. 54 (W.D. Tex. Jan. 29, 2025) (Order resetting Zoom Markman Hearing for Feb. 6, 2025) Exhibit

Micron Technology, Inc., v. Vervain, LLC, IPR2021-01550, Ex. 1009 (P.T.A.B. Sept. 21, 2021) (expert declaration challenging the validity of U.S. Patent No. 10,950,300) Exhibit

Vervain, LLC v. Phison Electronics Corporation, No. 1:24-CV-259- ADA, Dkt. 37 (W.D. Tex. Nov. 27, 2024) (Joint Claim Construction Statement) Exhibit

Judge Albright’s Standing Order Governing Proceedings (OGP) 4.4—Patent Cases, Filed January 23, 2024. Exhibit

Micron’s Petition for Inter Partes Review of U.S. Patent No. 10,950,300, IPR2021-01550, Sept. 21, 2021 (“300 petition”) Exhibit

U.S. Patent App. Pub. No. 2011/0096601 to Gavens et al. (“Gavens- 601”) Exhibit

Phison’s Preliminary Invalidity Contentions served on August 16, 2024 in Vervain, LLC v. Phison Electronics Corporation, No. 1:24- CV-259-ADA Exhibit

U.S. Patent Application Pub. No. 2011/0099460 (“Dusija”) Exhibit

Excerpt from the Prosecution History of U.S. Patent No. 11,854,612, including a Statutory Disclaimer of Claim 7. Filed January 21, 2025. Exhibit

“Maximize.” Merriam-Webster.com Thesaurus, Merriam-Webster. Accessed 24 Nov. 2021. Exhibit

Microsoft Computer Dictionary (5th ed. 2002) Exhibit

Highlighted Version of U.S. Patent No. 8,634,240 (“Gavens”), indicating which material from Gavens is also present in U.S. Patent Application Pub. No. 2011/0099460 (“Dusija”) Exhibit

Patent Owner's Preliminary Response POPR

Excerpts from Micheloni et al., Inside NAND Flash Memories (1st ed. 2010) (“Micheloni”) Exhibit

U.S. Patent App. No. 2010/0186084 currently assigned to Kingston Digital, Inc. Exhibit

Excerpt from the Prosecution History of U.S. Patent No. 11,854,612, including a Terminal Disclaimer to Obviate a Provisional Double Patenting Rejection Over the Pending U.S. Patent Appl. No. 17/203,385. Filed October 31, 2023. Exhibit

U.S. Patent App. No. 2007/0271609 assigned to Phison Electronics Corp. Exhibit

“Judge Albright Patent FAQ,” Accessed December 18, 2024) Exhibit

NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE NOTICE

Notice : Power of Attorney NOTICE

Notice : Mandatory Notice NOTICE

PHI EX. 1007 _U.S. Patent No. 9,196,385 Exhibit

PHI EX. 1016_Excerpts from prosecution history of ’612 patent Exhibit

PHI EX. 1062_First Amended Complaint, Doc. No. 9 in 1-24-cv-259 Exhibit

PHI EX. 1032_Eitan Yaakobi., Error Characterization and Coding Scheme... Exhibit

PHI EX. 1042_U.S. Patent Appl. Pub. No. 2008/0140918 Exhibit

PHI EX. 1033_ Chris Evans, Enterprise MLC… Exhibit

PHI EX. 1025_Excerpts from INSIDE NAND FLASH MEMORIES (Springer 2010) Exhibit

PHI EX. 1026_Excerpts from Nonvolatile Memory Technologies…Flash Exhibit

PHI EX. 1005 _U.S. Patent No. 8,891,298 Exhibit

PHI EX. 1031_Kang-Deog Suh et al., A 3.3 V 32 Mb NAND Flash Memory… Exhibit

PHI EX. 1044_U.S. Patent Appl. Pub. No. 2010/0172179 Exhibit

PHI EX. 1061_Docket list for Vervain v. Kingston, No. 1-24-cv-254 Exhibit

PHI EX. 1027_Excerpts from MICROSOFT COMPUTER DICTIONARY 346 (5th ed. 2002) Exhibit

PHI EX. 1045 _U.S. Patent No. 8,634,240 Exhibit

PHI EX. 1041_U.S. Patent No. 8,078,794 Exhibit

PHI EX. 1011_U.S. Patent No. 10,950,300 Exhibit

PHI EX. 1004 _U.S. Patent No. 8,194,452 Exhibit

PHI EX. 1013 _U.S. Patent No. 11,830,546 Exhibit

PHI EX. 1002 _Declaration of Carl Sechen, Ph.D. Exhibit

PHI EX. 1050_U.S. Patent No. 5,930,167 Exhibit

Notice : Power of Attorney NOTICE

PHI EX. 1037_Minyoung Sung, Asymmetric Flash Volume Management Exhibit

PHI EX. 1030 _Program Interference in MLC NAND Flash Memory Exhibit

PHI EX. 1035_Ashish Jagmohan, Adaptive Endurance Coding for NAND Flash Exhibit

PHI EX. 1048_U.S. Patent Appl. Pub. No. 2011/0271043 Exhibit

Petition : as filed PETITION

PHI EX. 1009 _U.S. Patent No. 9,997,240 Exhibit

PHISON ELECTRONICS CORPORATION

Vervain, LLC