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AT&T Services, Inc. et al. vs. BK Technologies, Inc.

Explore the PTAB proceeding IPR2026-00349 filed by AT&T Services, Inc. et al. on 2026-05-05. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00349

Filing Date

2026-05-05

Accorded Filing Date

2026-05-05

Institution Decision Date

2026-10-19

Last Modified Date

2026-10-19

Proceeding Type

IPR

Termination Date

—

Trial Status

Trial Instituted

Parties & Counsel

Patent Owner / Respondent

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2600 - Communications

Patent Information

1 Patent Involved
Respondent Application Number 18431686
Respondent Patent Number 12375890
Respondent Inventor John Marvin Suzuki et al
Respondent Tech Center TC 2600 - Communications

Address and Attorney/Agent Information

96 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name WOMBLE BOND DICKINSON (US) LLP
Customer Number 26158
Address ATTN: IP DOCKETING P.O. Box 570489, ATLANTA, GA, 30357-0037, UNITED STATES

Attorney / Agent Information

Reg # Name Phone
30139 Eric Hyman 310-207-3800
30982 Mary Bourke 302-252-4342
31460 Lester Vincent 408-720-8300
31889 James Vaughan 404-962-7528
33779 Stephanie Seidman 858-313-1405
34026 David Sudderth 404-962-7527
34180 Jack Hicks 336-574-8050
36382 Jeffrey Whittle 346-998-7859

Proceeding Documents

49
15

Institution Decision: Grant DECISION

2026-10-19 FILING PARTY: BOARD
14

Director Discretionary Decision: Refer RESPONSE

2026-08-25 FILING PARTY: BOARD
13

Petitioners’ Authorized Sur-reply to Patent Owner’s Discretionary Denial Brief NOTICE

2026-08-19 FILING PARTY: PETITIONER
12

Patent Owner's Authorized Reply in Support of Discretionary Denial Brief OTHER

2026-08-14 FILING PARTY: PATENT OWNER
3101

Email Correspondence Exhibit

2026-08-11 FILING PARTY: BOARD