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

Explore the PTAB proceeding IPR2026-00348 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

IPR2026-00348

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

Petitioner

AT&T Services, Inc. et al.

Represented By

Saphia, Josephet al

Patent Owner / Respondent

BK Technologies, Inc.

Represented By

Moyles, Lisaet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2600 - Communications

Patent Information

1 Patent Involved

Respondent Application Number 17844488

Respondent Patent Number 11997568

External Links

Espacenet

Google Patents

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
36591	Michael Mallie	408-720-8300
36867	Jeffrey Mcintyre	202-857-4449
39956	Kean Decarlo	678-420-9300
40737	Lisa Moyles	919-755-2144
41236	Daniel Ovanezian	408-341-3040
42545	John Forcier	617-290-9980
42818	Kevin Lyn	919-755-8151
43487	Todd Becker	408-341-3000
43670	Danielle Herritt	857-287-3140
43683	Christopher Humphrey	919-755-8156
44427	Matthew Grumbling	760-717-9803
44649	Mark Deluca	919-755-8124
45095	Kevin Shao	408-341-3000
47447	Julie Meigs	919-484-2253
47468	Ryan Cagle	919-755-8175
48216	Christopher Kent	404-888-7414
48570	Colleen Mckiernan	617-551-8110
50202	Andrew Claerbout	404-879-2453
51076	Scott Schmok	512-264-0314
51254	Barry Herman	410-545-5830
52161	Eric Replogle	408-720-3141
52428	Jacob Wharton	404-872-7000
52985	William Hall	404-888-7485
53545	Michael Samardzija	657-266-1022
55281	Cristin Cowles	857-287-3120
55699	Deborah Vernon	857-287-3130
56450	Robert Strean	704-350-6304
56833	Tatiana Rossin	408-341-3000
58269	Travis Yribarren	408-341-3000
59731	Jessica Gorczynski	919-755-8164
62306	Yi Wilkinson	650-386-6865
62697	Brock Buck	919-755-1200
62908	Christopher Hall	408-341-3051
63022	Chia-Hsin Chu	608-698-1616
63425	Brendan O'Dea	404-962-7516
63473	Jason Rockman	201-428-4420
64090	Andrea Sherk	919-484-2350
64360	Jason Radachy	203-428-4420
64373	Steven Chen	714-557-3800
64675	Preston Heard	404-888-7366
64712	Eric Figueroa	949-247-7302
64977	William Jaffe	408-720-3406
66073	Rodney Miller	404-879-2435
66362	Travis Iams	808-371-4690
67402	Cory Schug	336-574-8051
68358	Allison Ko	864-255-5442
69142	Denise Ray	603-443-5201
69296	Karthika Perumal	346-998-7820
69344	Lauren Anderson	919-755-8127
70179	Theodore Prekop	330-321-6459
70286	Jason Drake	202-857-4492
70468	David Corley	281-805-8512
71030	Scott Breining	336-728-7072
71853	Tri Dang	714-557-3800
72931	Thu Nguyen	206-876-6012
73860	Janelle O'Neill	195-920-86169
75214	Kevin Davis	713-374-1613
75261	Abhijit Adisesh	408-720-3492
76255	Young Seok Koo	314-479-2768
76329	Samantha Yellott	346-998-7801
76392	Vincent Look	424-369-2071
76652	Ana Friedman	864-907-6234
76661	Samuel Savanich	346-998-7801
76955	Brandon Massengill	919-755-2177
77269	Jacqueline Lendvai	323-934-2300
77313	James Dority	864-255-5412
77520	Hailey Bureau	703-205-8038
78303	Kelsey Ewing	404-879-2434
78521	Rachel Yunck	857-287-3116
78571	Yen Kai Hseu	346-998-7827
78639	Blake Holt	858-847-6700
78833	Seiko Okada	919-755-8179
78916	Robert Wayland Jr.	919-755-8166
78954	Jorge Lozano	956-534-8911
79369	Anthony Amert	346-998-7835
79371	Reid Barber	336-574-8064
79688	John Bossert	214-295-7191
80003	Andrew Tuggle	256-517-5107
80085	Ricardo Joseph	617-345-3388
80173	Pin Wu	352-226-2190
80505	John Wright Iii	312-269-4071
81025	Joshua Quinn	919-838-4121
81450	Ran Wang	346-998-7801
82415	Karen Chiu	858-313-1404
82532	William Carter	704-350-6333
83322	Moses Amtry	937-397-1474
L1167	Zhan John Cao	408-341-3033
L1304	Azie Aziz	346-998-7851

Proceeding Documents

Institution Decision: Grant DECISION

2026-10-19 FILING PARTY: BOARD

Download

Director Discretionary Decision: Refer RESPONSE

2026-08-25 FILING PARTY: BOARD

Download

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

2026-08-19 FILING PARTY: PETITIONER

Download

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

2026-08-14 FILING PARTY: PATENT OWNER

Download

3101

Email Correspondence Exhibit

2026-08-11 FILING PARTY: BOARD

Download

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

Proceeding Overview

Parties & Counsel

Petitioner

AT&T Services, Inc. et al.

Represented By

Patent Owner / Respondent

BK Technologies, Inc.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Institution Decision: Grant DECISION

Director Discretionary Decision: Refer RESPONSE

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

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

Email Correspondence Exhibit

Exhibit 1009 Exhibit

Exhibit 1011 Exhibit

'568 PETITIONERS’ SOTERA STIPULATION NOTICE

Exhibit 1010 Exhibit

Exhibit 1007 Exhibit

Patent Owner's Preliminary Response POPR

Exhibit 1008 Exhibit

Exhibit 1012 Exhibit

Ex. 2012 - Declaration of Dr. Jacob Sharony Exhibit

Exhibit 1014 Exhibit

Exhibit 1013 Exhibit

568' PETITIONERS’ OPPOSITION TO PATENT OWNER’S DISCRETIONARY DENIAL BRIEF RESPONSE

Ex. 2010 – Declaration of Lisa J. Moyles Exhibit

Ex. 2002 - Declaration of James Teel Exhibit

Ex. 2011 – Letter to AT&T Exhibit

Ex. 2008 - Interim Director Discretionary Process Exhibit

Ex. 2005 – Complaint, Case No. 2:26-cv-00090 Exhibit

Ex. 2003 – Introducing FirstNet Fusion Exhibit

Ex. 2009 - DocketNavigator Statistics Exhibit

Ex. 2007 – Memorandum re Interim Processes Exhibit

Patent Owner's Discretionary Denial Brief RESPONSE

Ex. 2004 - AT&T Selects StreamWide Exhibit

Patent Owner's Motion to Seal Ex. 2001 MOTION

Ex. 2006 - Motion to Intervene, 2:26-cv-00090 Exhibit

Patent Owner's Mandatory Notice NOTICE

Patent Owner's Power of Attorney NOTICE

Corrected EX. 1005 Exhibit

Corrected EX. 1002 Exhibit

Corrected EX. 1006 Exhibit

Corrected EX. 1001 Exhibit

Corrected EX. 1003 Exhibit

Corrected EX. 1004 Exhibit

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

Power of Attorney_STREAMWIDE INC. '568 NOTICE

EX. 1005 Exhibit

EX. 1002 Exhibit

Power of Attorney_AT&T SERVICES, INC. '568 NOTICE

EX. 1006 Exhibit

IPR PETITION_568 PETITION

EX. 1004 Exhibit

EX. 1001 Exhibit

EX. 1003 Exhibit