AT&T Corp. et al. vs. Daingean Technologies Ltd.

Explore the PTAB proceeding IPR2024-00402 filed by AT&T Corp. et al. on 2024-01-08. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2024-00402

Filing Date

2024-01-08

Accorded Filing Date

2024-01-08

Institution Decision Date

2024-07-16

Last Modified Date

2025-09-22

Proceeding Type

IPR

Termination Date

2025-07-14

Trial Status

Final Written Decision

Parties & Counsel

Petitioner

AT&T Corp. et al.

Represented By

Hejny, Scottet al

Patent Owner / Respondent

Daingean Technologies Ltd.

Represented By

Wyde, Joshuaet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2600 - Communications

Patent Information

1 Patent Involved

Respondent Application Number 16597325

Respondent Patent Number 10841958

External Links

Espacenet

Google Patents

Respondent Inventor Atsushi ISHII

Respondent Tech Center TC 2600 - Communications

Address and Attorney/Agent Information

3 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Atlantic IP - c/o Lombard Geliebter LLP

Customer Number 199393

Address 1325 Avenue of the Americas, 28th Floor, New York, NY, 10019, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
53431	Antonio Papageorgiou	347-338-0059
60613	Nikitas Nicolakis	978-341-0036
82586	Daniel Huttle	631-747-7460

Proceeding Documents

Final Written Decision: JUDGMENT Final Written Decision Granting Patent Owner’s Request to Cancel All Challenged Claims Granting Patent Owner’s Revised Non-Contingent Motion to Amend 35 U.S.C. § 318(a) FINAL

2025-07-14 FILING PARTY: BOARD

Download

Other: Hearing transcript OTHER

2025-07-10 FILING PARTY: BOARD

Download

1012

Petitioners' Oral Argument Demonstratives Exhibit

2025-05-14 FILING PARTY: PETITIONER

Download

Petitioners' Updated List of Exhibits NOTICE

2025-05-14 FILING PARTY: PETITIONER

Download

2015

Ex. 2015 - Patent Owner's Oral Argument Presentation Exhibit

2025-05-14 FILING PARTY: PATENT OWNER

Download

AT&T Corp. et al. vs. Daingean Technologies Ltd.

Proceeding Overview

Parties & Counsel

Petitioner

AT&T Corp. et al.

Represented By

Patent Owner / Respondent

Daingean Technologies Ltd.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Final Written Decision: JUDGMENT Final Written Decision Granting Patent Owner’s Request to Cancel All Challenged Claims Granting Patent Owner’s Revised Non-Contingent Motion to Amend 35 U.S.C. § 318(a) FINAL

Other: Hearing transcript OTHER

Petitioners' Oral Argument Demonstratives Exhibit

Petitioners' Updated List of Exhibits NOTICE

Ex. 2015 - Patent Owner's Oral Argument Presentation Exhibit

Patent Owner's Transmittal Letter re Filing Exhibit NOTICE

Petitioners' Sur-Reply in Opposition to Patent Owner's Revised Non-Contingent Motion to Amend Pursuant to 37 C.F.R. Section 42.121(f) OPPOSITION

Panel Change Order ORDER

Patent Owner's Reply to Opposition to Revised Non-Contingent Motion to Amend REPLY

ORDER Setting Oral Argument 37 C.F.R. § 42.70 ORDER

Petitioners' Request for Oral Argument OTHER

Patent Owner's Statement re Oral Argument OTHER

Petitioners' Response in Opposition to Patent Owner's Revised Non-Contingent Motion to Amend OPPOSITION

REVISED SCHEDULING ORDER ORDER

Patent Owner's Revised Motion to Amend MOTION

Order: Preliminary Guidance ORDER

Petitioners' Response in Opposition to Patent Owner's Non-Contingent Motion to Amened OTHER

Provisional Patent Application No. 62/334,706 (“Agiwal Provisional”) Exhibit

Deposition Transcript of Dr. Karthik Sundaresan Exhibit

U.S. Pat. Publication No. 2017/0251500 (“Agiwal”) Exhibit

Second Expert Declaration of Dr. Wayne Stark Exhibit

Notice of Deposition of Dr. Karthikeyan Sundaresan NOTICE

Ex. C-4_958 Invalidity Chart (TS 36.331) Exhibit

Ex. C-1_958 Invalidity Chart (Brismar) Exhibit

Ex. C-3_958 Invalidity Chart (Bendlin) Exhibit

'060 App Exhibit

C-4 TS 36.331 Exhibit

Patent Owner's Non-Contingent Motion to Amend MOTION

C-3 Bendlin Exhibit

'126 App Exhibit

Executed Dr. K. Sundaresan 2nd Expert Declaration Exhibit

Ex. C-2_958 Invalidity Chart (Lee 988) Exhibit

ORDER Conduct of the Proceeding 37 C.F.R. §§ 42.5, 42.121(a) ORDER

Notice : Mandatory Notice NOTICE

ORDER Granting Patent Owner’s Motion to Withdraw and Substitute of Counsel ORDER

Patent Owner's Unopposed Motion to Substitute Lead Counsel and Withdraw Select Backup Counsel 37 CFR 42.10(e) and 42.20 MOTION

Patent Owner's Second Power of Attorney NOTICE

Petitioner's Updated Mandatory Notice NOTICE

Institution Decision: Grant DECISION

Order: Scheduling Order ORDER

DECISION Granting Patent Owner’s Motion for Admission Pro Hac Vice of Michael McBride 37 C.F.R. § 42.10 ORDER

Patent Owner's Preliminary Response 37 CFR 42.107 POPR

EX2005 - ETSI Exhibit

EX2003 - US2015/0223148A1 Exhibit

EX2004 - US2018/0049024A1 Exhibit

EX2002 - Declaration of Dr. Karthikeyan Sundaresan Exhibit

Declaration of Michael McBride in Support of Patent Owner's Motion for Pro Hac Vice Admission Exhibit

Patent Owner's Unopposed Motion for Pro Hac Vice Admissions of Michael McBride Pursuant to 37 CFR 42.10(c) MOTION

Patent Owner's Updated Mandatory Notices NOTICE

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

Petitioner's Corrected Certificate of Service OTHER

Petition : as filed PETITION

U.S. Pat. No. 10,841,958 (“the ’958 Patent”) Exhibit

Notice : Power of Attorney NOTICE

Curriculum Vitae of Dr. Wayne Stark Exhibit

Expert Declaration of Dr. Wayne Stark Exhibit

U.S. Pat. Publication No. 2019/0158988 (“Lee”) Exhibit

’958 Patent File History Exhibit

U.S. Pat. Publication No. 2015/0382284 (“Brismar”) Exhibit

U.S. Provisional Patent Application No. 62/334,418 (“Lee Provisional”) Exhibit