Home › PTAB Cases › IPR2025-00215

Phison Electronics Corporation vs. Vervain, LLC

Explore the PTAB proceeding IPR2025-00215 filed by Phison Electronics Corporation on 2024-12-17. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00215

Filing Date

2024-12-17

Accorded Filing Date

2024-12-17

Institution Decision Date

2025-07-10

Last Modified Date

2026-01-07

Proceeding Type

IPR

Termination Date

2025-07-10

Trial Status

Discretionary Denial

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 16006299

Respondent Patent Number 10950300

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

102

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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Director Discretionary Decision: Deny RESPONSE

2025-07-10 FILING PARTY: BOARD

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PETITIONER’S OPPOSITION TO PATENT OWNER’S SUPPLEMENTAL BRIEF OTHER

2025-06-17 FILING PARTY: PETITIONER

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1088

Western District of Texas Calendar Year 2024 Statistical Public Report Exhibit

2025-06-16 FILING PARTY: PETITIONER

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1086

Statistics on Median Time-to-Trial between June 2, 2024 and June 2, 2025 Exhibit

2025-06-16 FILING PARTY: PETITIONER

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1084

“Interim Processes for PTAB Workload Management,” issued March 26, 2025 Exhibit

2025-06-16 FILING PARTY: PETITIONER

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1087

“Interim Procedure for Discretionary Denials in AIA Post-Grant Proceedings with Parallel District Court Litigation,” issued March 24, 2025 Exhibit

2025-06-16 FILING PARTY: PETITIONER

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1093

Docket list for Vervain, LLC v. Micron Technology Inc., et al., No. 6:21-cv-00487 (W.D. Tex. filed May 10, 2021) Exhibit

2025-06-16 FILING PARTY: PETITIONER

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1085

Active Cases Before Judge Alan D. Albright as of June 2, 2025 Exhibit

2025-06-16 FILING PARTY: PETITIONER

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PETITIONER’S OPPOSITION TO PATENT OWNER’S REQUEST FOR DISCRETIONARY DENIAL UNDER 35 U.S.C. § 314(a) RESPONSE

2025-06-16 FILING PARTY: PETITIONER

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1092

Email from PO’s Counsel re: Reduction to No More Than Five Asserted Claims Per Patent and Sixteen Total Across the Eight Patents-in-Suit (June 9, 2025) Exhibit

2025-06-16 FILING PARTY: PETITIONER

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1094

Docket list for Vervain, LLC v. Western Digital Corp. et al., No. 6:21-cv-00488 (W.D. Tex. filed May 10, 2021) Exhibit

2025-06-16 FILING PARTY: PETITIONER

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1090

Consolidated Trial Practice Guide (Nov. 2019) Exhibit

2025-06-16 FILING PARTY: PETITIONER

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1089

Amended Order Assigning the Business of The Court (January 31, 2025) Exhibit

2025-06-16 FILING PARTY: PETITIONER

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1091

Docket Entry No. 61, Redacted Copy of 59 Unopposed Sealed Motion FOR LEAVE TO AMEND FINALINVALIDITY CONTENTIONS by Phison Electronics Corporation by Phison Electronics Corporation, filed on April 2, 2025 in Vervain, LLC v. Phison Electronics Corp., No. 1:24-cv-00259 (W.D. Tex., filed March 8, 2024) Exhibit

2025-06-16 FILING PARTY: PETITIONER

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Patent Owner's Current List of Exhibits NOTICE

2025-06-13 FILING PARTY: PATENT OWNER

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2045

U.S. Patent No. 10,824,340, assigned to Phison Electronics Corp. Exhibit

2025-06-13 FILING PARTY: PATENT OWNER

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Patent Owner's Supplemental Brief OTHER

2025-06-13 FILING PARTY: PATENT OWNER

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2046

Excerpts from the Prosecution History of U.S. Patent Application No. 14/811,844 (issued as U.S. Patent No. 10,824,340), including Office Action dated May 9, 2019. Exhibit

2025-06-13 FILING PARTY: PATENT OWNER

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3101

Email Correspondence Exhibit

2025-06-12 FILING PARTY: BOARD

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2041

Phison Electronics Corp. v. Vervain, LLC, PGR2024-00048, Paper 9 (P.T.A.B. April 28, 2025) (Decision Denying Institution of Post-Grant Review of U.S. Patent No. 11,854,612) Exhibit

2025-05-14 FILING PARTY: PATENT OWNER

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2044

“Interim Processes for PTAB Workload Management Memorandum,” issued March 26, 2025, https://www.uspto.gov/sites/default/files/documents/InterimProcesses-PTABWorkloadMgmt-20250326.pdf. Accessed May 13, 2025. Exhibit

2025-05-14 FILING PARTY: PATENT OWNER

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2018

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

2025-05-14 FILING PARTY: PATENT OWNER

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2037

Vervain, LLC v. Phison Electronics Corp., No. 1:24-cv-00259, Dkt. 53 (W.D. Tex. Jan. 29, 2025) (Joint Notice Extending Deadlines) Exhibit

2025-05-14 FILING PARTY: PATENT OWNER

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2033

Vervain v. Western Digital Corp. et al., No. 6:21-cv-00488-ADA, Dkt. 180 (W.D. Tex. Jul. 26, 2023) (Redacted Copy of Order on the Pending Motions and Motions In Limine). Exhibit

2025-05-14 FILING PARTY: PATENT OWNER

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2003

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

2025-05-14 FILING PARTY: PATENT OWNER

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Patent Owner's Preliminary Response on the Merits and other Non-Discretionary Considerations POPR

2025-05-14 FILING PARTY: PATENT OWNER

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2024

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

2025-05-14 FILING PARTY: PATENT OWNER

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Patent Owner's Discretionary Denial Brief RESPONSE

2025-05-14 FILING PARTY: PATENT OWNER

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2039

Phison Electronics Corp. v. Vervain, LLC, PGR2024-00047, Paper 9 (P.T.A.B. Mar. 17, 2025) (Decision Denying Institution of Post-Grant Review of U.S. Patent No. 11,830,546) Exhibit

2025-05-14 FILING PARTY: PATENT OWNER

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2032

Markman Hearing Transcript dated February 6, 2025, for Vervain, LLC v. Phison Electronics Corporation, No. 1:24-cv-259-ADA and Vervain, LLC v. Kingston Technology Company., et al. No. 1:24-cv-254-ADA. Exhibit

2025-05-14 FILING PARTY: PATENT OWNER

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2025

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

2025-05-14 FILING PARTY: PATENT OWNER

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2023

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

2025-05-14 FILING PARTY: PATENT OWNER

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2001

Declaration of Dr. Sunil Khatri Exhibit

2025-05-14 FILING PARTY: PATENT OWNER

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2043

Phison’s Final Invalidity Contentions served on February 28, 2025 in Vervain, LLC v. Phison Electronics Corporation, No. 1:24-cv-259-ADA (W.D. Tex.) Exhibit

2025-05-14 FILING PARTY: PATENT OWNER

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2042

Docket Sheet for Vervain, LLC v. Phison Electronics Corporation, No. 1:24-cv-259-ADA (W.D. Tex.) (accessed May 12, 2025) Exhibit

2025-05-14 FILING PARTY: PATENT OWNER

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2031

Preliminary Claim Constructions for Vervain, LLC v. Phison Electronics Corporation, No.1:24-cv-259-ADA and Vervain, LLC v. Kingston Technology Company., et al., No. 1:24-cv-254-ADA – email from Mr. Brown received on February 5, 2025. Exhibit

2025-05-14 FILING PARTY: PATENT OWNER

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2002

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

2025-05-14 FILING PARTY: PATENT OWNER

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2021

“Judge Albright Patent FAQ,” https://www.txwd.uscourts.gov/for-attorneys/judge-albright-courtroom-faq/. Accessed December 18, 2024) Exhibit

2025-05-14 FILING PARTY: PATENT OWNER

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2006

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

2025-05-14 FILING PARTY: PATENT OWNER

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Notice: Extending Deadline for Discretion Briefing NOTICE

2025-04-14 FILING PARTY: BOARD

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Patent Owner's Updated Mandatory Notice NOTICE

2025-02-28 FILING PARTY: PATENT OWNER

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Notice: Notice filing date accorded NOTICE

2025-02-14 FILING PARTY: BOARD

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Notice: Mandatory Notice NOTICE

2025-01-02 FILING PARTY: PATENT OWNER

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Notice: Mandatory Notice NOTICE

2025-01-02 FILING PARTY: PATENT OWNER

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Notice: Power of Attorney NOTICE

2025-01-02 FILING PARTY: PATENT OWNER

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1070