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PHISON ELECTRONICS CORPORATION vs. Vervain, LLC

Explore the PTAB proceeding IPR2025-00212 filed by PHISON ELECTRONICS CORPORATION on 2024-11-25. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00212

Filing Date

2024-11-25

Accorded Filing Date

2024-11-25

Institution Decision Date

2025-05-28

Last Modified Date

2026-01-07

Proceeding Type

IPR

Termination Date

2025-05-28

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 13455267

Respondent Patent Number 8891298

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: Deny DECISION

2025-05-28 FILING PARTY: BOARD

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3101

Correspondence from the Board Exhibit

2025-05-02 FILING PARTY: BOARD

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Notice: Referral to Board Panel NOTICE

2025-04-30 FILING PARTY: BOARD

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2039

Phison Electronics Corp. v. Vervain, LLC, PGR2024-00047, Paper 9 (P.T.A.B. Mar. 17, 2024) (Decision Denying Institution of Post-Grant Review of U.S. Patent No. 11,830,546) Exhibit

2025-03-26 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

2025-03-26 FILING PARTY: PATENT OWNER

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2029

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

2025-03-26 FILING PARTY: PATENT OWNER

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2040

Vervain, LLC v. Western Digital Corp. et al., No. 6:21-cv-00488- ADA, Dkt. No. 183, Pretrial Hearing Redacted Transcript (W.D. Tex. Aug. 7, 2023) Exhibit

2025-03-26 FILING PARTY: PATENT OWNER

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2001

Declaration of Dr. Sunil Khatri Exhibit

2025-03-26 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

2025-03-26 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

2025-03-26 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

2025-03-26 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

2025-03-26 FILING PARTY: PATENT OWNER

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2038

Docket Sheet for Vervain, LLC v. Phison Electronics Corporation, No. 1:24-CV-259-ADA (W.D. Tex.). Accessed March 11, 2025. Exhibit

2025-03-26 FILING PARTY: PATENT OWNER

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2003

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

2025-03-26 FILING PARTY: PATENT OWNER

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2035

Phison’s Exhibit A3 Claim Chart, served with its Final Invalidity Contentions on February 28, 2025 in Vervain, LLC v. Phison Electronics Corporation, No. 1:24-CV-259-ADA (W.D. Tex.) (charting U.S. Patent No. 8,891,298 as obvious under 35 U.S.C. § 103 based on U.S. Patent Appl. Pub. No. 2009/0327591 (“Moshayedi”)) Exhibit

2025-03-26 FILING PARTY: PATENT OWNER

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2034

Phison’s Exhibit A1 Claim Chart, served with its Final Invalidity Contentions on February 28, 2025 in Vervain, LLC v. Phison Electronics Corporation, No. 1:24-CV-259-ADA (W.D. Tex.) (charting U.S. Patent No. 8,891,298 as obvious under 35 U.S.C. § 103 based on U.S. Patent No. 8,634,240 (“Gavens”)) Exhibit

2025-03-26 FILING PARTY: PATENT OWNER

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Patent Owner's Preliminary Response POPR

2025-03-26 FILING PARTY: PATENT OWNER

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2036

Phison’s Exhibit A2 Claim Chart, served with its Final Invalidity Contentions on February 28, 2025 in Vervain, LLC v. Phison Electronics Corporation, No. 1:24-CV-259-ADA (W.D. Tex.) (charting U.S. Patent No. 8,891,298 as obvious under 35 U.S.C. § 103 based on U.S. Patent Appl. Pub. No. 2008/0140918 (“Sutardja”)) Exhibit

2025-03-26 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

2025-03-26 FILING PARTY: PATENT OWNER

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2021

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

2025-03-26 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

2025-03-26 FILING PARTY: PATENT OWNER

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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

2024-12-26 FILING PARTY: BOARD

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Notice: Notice filing date accorded -Corrected NOTICE

2024-12-26 FILING PARTY: BOARD

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Notice : Power of Attorney NOTICE

2024-12-10 FILING PARTY: PATENT OWNER

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Notice : Mandatory Notice NOTICE

2024-12-10 FILING PARTY: PATENT OWNER

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