Cirrus Logic, Inc. et al. vs. Greenthread, LLC

Explore the PTAB proceeding IPR2024-00020 filed by Cirrus Logic, Inc. et al. on 2023-10-27. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2024-00020

Filing Date

2023-10-27

Accorded Filing Date

2023-10-27

Institution Decision Date

2024-05-03

Last Modified Date

2026-04-07

Proceeding Type

IPR

Termination Date

2025-10-29

Trial Status

Final Written Decision - Appealed

Parties & Counsel

Petitioner

Cirrus Logic, Inc. et al.

Represented By

Weidenfeller, Scottet al

Patent Owner / Respondent

Greenthread, 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 16947294

Respondent Patent Number 11121222

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

200

113

Patent Owner's Notice of Appeal of Final Written Decision NOTICE

2026-04-07 FILING PARTY: PATENT OWNER

Download

112

Order Denying Director Review of Final Written Decision MOTION

2026-02-03 FILING PARTY: BOARD

Download

111

REDACTED [110] Petitioner's Authorized Response to Director Review Request IPR2024-00020 OTHER

2025-12-12 FILING PARTY: PETITIONER

Download

109

Petitioner's Motion to Seal MOTION

2025-12-04 FILING PARTY: PETITIONER

Download

108

[REDACTED] Request for Director Review OTHER

2025-12-03 FILING PARTY: PATENT OWNER

Download

Cirrus Logic, Inc. et al. vs. Greenthread, LLC

Proceeding Overview

Parties & Counsel

Petitioner

Cirrus Logic, Inc. et al.

Represented By

Patent Owner / Respondent

Greenthread, LLC

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Patent Owner's Notice of Appeal of Final Written Decision NOTICE

Order Denying Director Review of Final Written Decision MOTION

REDACTED [110] Petitioner's Authorized Response to Director Review Request IPR2024-00020 OTHER

Petitioner's Motion to Seal MOTION

[REDACTED] Request for Director Review OTHER

Email, Subject_IPR2024-00001, -00016, -00019, -00020, and -00021 Director Review Requests Exhibit

Patent Owner's Motion to Seal MOTION

Ex. 1076 REDACTED Hearing Conference Call 091925 Exhibit

Petitioner's Updated Exhibit List NOTICE

General Order: Related Matters Updates ORDER

Petitioner's Updated Mandatory Notices NOTICE

Order Conduct of the Proceeding ORDER

[REDACTED] Patent Owner’s Reply Post-Hearing Brief OTHER

Joint Response Regarding Optional Hearing on the Privity Dispute OTHER

Petitioner's Updated Power of Attorney - CIRRUS LOGIC INC NOTICE

REDACTED [91] Petitioner's Response to Post-Hearing Brief IPR2024-00020 OTHER

Petitioner's Updated Power of Attorney - OMNIVISION TECHNOLOGIES NOTICE

Petitioner's Updated Exhibit List NOTICE

Ex. 1075 Hyun S. Byun Declaration Exhibit

Petitioner's Notice of Intent to Designate H. Byun NOTICE

Patent Owner’s Motion to Seal MOTION

Petitioner's Motion to Seal MOTION

[REDACTED] Patent Owner's Post-Hearing Brief Concerning Board Ordered Discovery OTHER

[REDACTED] Transcript Deposition of Terence Ng Exhibit

[REDACTED] Transcript Deposition of Elizabeth Leach Exhibit

[REDACTED] Transcript Deposition of Robert Cleary Jr. Exhibit

Patent Owner's Motion to Seal MOTION

Declaration of Robert Cleary Jr. Exhibit

Declaration of Elizabeth Leach Exhibit

Declaration of Terence Ng Exhibit

Patent Owner's Current Exhibit List NOTICE

Patent Owner's Notice of Deposition of Terence Ng NOTICE

Patent Owner's Notice of Deposition of Elizabeth Leach NOTICE

Patent Owner's Notice of Deposition of Robert Cleary Jr. NOTICE

ORDER Granting Patent Owner’s Motions to Seal; Granting Patent Owner’s Motion for Entry of Modified Protective Order 37 C.F.R. §§ 42.14, 42.54 ORDER

[REDACTED] Discovery Order OTHER

[REDACTED] Patent Owner's Opposition to Motion to Exclude OTHER

Joint Chart Concerning Prior Motions to Seal NOTICE

Order Conduct of Proceeding ORDER

Patent Owner's Updated Mandatory Notice NOTICE

E-mail from parties regarding discovery Exhibit

E-mail regarding discovery Exhibit

Petitioner's Notice of Filing Exhibit NOTICE

Ex. 1074 Redacted Telephonic Conference Call (May 2, 2025) (public version) Exhibit

Panel Change Order ORDER

Order: GRANT OF GOOD CAUSE EXTENSION 35 U.S.C. § 316(a)(11); 37 C.F.R. § 42.100(c) ORDER

Order: GRANT OF GOOD CAUSE EXTENSION ORDER

Other: Hearing transcript OTHER

Patent Owner's Updated Mandatory Notice NOTICE

Petitioner's Updated Mandatory Notices NOTICE

Patent Owner's Objections to Petitioners' Demonstratives OTHER

Petitioner's Notice of Filing Petitioner's Hearing Demonstrative NOTICE

Demonstratives of Patent Owner Greenthread, LLC Exhibit

Patent Owner's Current List of Exhibits NOTICE

Ex. 1072 Petitioner Jan 28th Hearing Demonstratives Exhibit

Ex. 3009 Exhibit

Order: ORDER Setting Oral Argument ORDER

Patent Owner's Motion to Seal MOTION

[REDACTED] Patent Owner's Sur-reply OTHER

Deposition of Dr. Sanjay Banerjee dated December 6, 2024 Exhibit

Patent Owner's Current List of Exhibits NOTICE

Patent Owner's Motion to Seal MOTION

Petitioner's Request for Oral Argument OTHER

Patent Owner's Request for Oral Argument NOTICE

Patent Owner's Revised Notice of Deposition of Dr. Banerjee NOTICE