Amazon.com Services LLC et al. vs. Zentian Limited

Explore the PTAB proceeding IPR2023-01195 filed by Amazon.com Services LLC et al. on 2023-07-12. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2023-01195

Filing Date

2023-07-12

Accorded Filing Date

2023-07-12

Institution Decision Date

2024-01-10

Last Modified Date

2026-09-09

Proceeding Type

IPR

Termination Date

2024-06-11

Trial Status

Final Written Decision

Parties & Counsel

Petitioner

Amazon.com Services LLC et al.

Represented By

Hadden, J.et al

Patent Owner / Respondent

Zentian Limited

Represented By

Knops, Peteret al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2600 - Communications

Patent Information

1 Patent Involved

Respondent Application Number 16058722

Respondent Patent Number 10839789

External Links

Espacenet

Google Patents

Respondent Inventor Guy Larri et al

Respondent Tech Center TC 2600 - Communications

Address and Attorney/Agent Information

215 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER - LLP

Customer Number 22852

Address 901 NEW YORK AVENUE, NW, WASHINGTON, DC, 20001-4413, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
28165	Charles Lipsey	571-203-2755
30413	John Paul	202-408-4109
30415	Richard Racine	202-408-4038
31744	Richard Burgujian	571-203-2790
32120	Barbara Mccurdy	202-408-4000 X4047
32409	Bryan Diner	202-408-4000
32824	John Jakes	202-408-4000
33234	Michael Flibbert	202-408-4000
33751	Gerson Panitch	202-408-4080
33971	James Monroe	202-408-4159
34872	Leslie Mcdonell	617-646-1650
36116	Kathleen Daley	202-408-4098
36532	C Gramenopoulos	202-408-4000
36743	Jeffrey Berkowitz	202-203-2710
37110	Virginia Carron	404-653-6452
38092	Lawrence Burwell	571-203-2721
38637	William Trousdell	703-966-3932
38742	Anthony Gutowski	571-203-2774
40132	Erik Puknys	650-849-6600
40524	Michele Bosch	202-408-4000
41034	Steven Gelman	202-408-4000
41469	Mark Sweet	202-408-4162
41475	Eric Raciti	617-646-1675
41538	Timothy May	202-408-4447
41545	Mary Till	202-408-4000
41705	Frank Decosta Iii	202-408-4012
41765	Eric Fues	202-408-4000
41893	Houtan Khalili-Esfahani	202-408-4106
41944	Esther Lim	202-408-4121
43662	Anthony Hartmann	202-408-4275
43916	Parmanand Sharma	202-408-4000
45284	Louis Troilo	202-408-6020
45777	Darren Jiron	571-203-2729
45958	Anthony Tridico	202-408-4173
46539	James Barney	202-408-4412
46693	Mark Feldstein	202-408-4092
46814	D Kacedon	202-408-4301
46859	Lionel Lavenue	571-203-2750
48108	Naoki Yoshida	202-408-4000
48275	John Williamson	202-408-4000
48564	Adriana Burgy	202-408-4345
50785	Aaron Parker	202-408-4387
52070	Elizabeth Niemeyer	202-408-4000
52259	Charles Suh	571-203-2700
52412	Ningling Wang	202-408-4218
53232	Anthony Lombardi	571-203-2779
54386	William Raich	202-408-4219
54464	Jason Stach	404-653-6428
54533	M Weingarten	404-653-6457
55190	Mareesa Frederick	202-408-4103
55413	Gary Ma	886-227-127001
55873	Rajeev Gupta	202--40-4352
55940	John Mulcahy	571-203-2700
56170	Aaron Capron	650-849-6680
56939	Timothy Mcanulty	202-408-4348
57292	Li Feng	202-408-4000
57540	Erika Arner	571-203-2754
58221	Jacob Schroeder	650-849-6765
58275	Jeffrey Freeman	404-653-6430
58415	Elizabeth Ferrill	202-404-4445
59369	Joshua Goldberg	202-408-6092
59387	Amanda Murphy	202-408-4000
59461	Abhay Watwe	571-203-2716
59613	John Livingstone	404-653-6400
59639	Daniel Cooley	571-203-2778
59665	Jason Romrell	202-408-4349
60974	Erin Sommers	202-408-4000
61119	Aidan Skoyles	202-408-4417
61180	Michael Young	571-203-2788
61329	Qingyu Yin	202-408-4213
61581	Jana Harris	617-871-8000
61769	Elliot Cook	571-203-2738
62019	Ming-Tao Yang	650-849-6783
62180	Justin Hasford	202-408-4000
62521	Mark Hanson	857-330-9992
62694	James Bell	331-449-48630
62781	Daniel Tucker	571-203-2793
63553	Daniel Chung	202-408-4000
63681	Arpita Bhattacharyya	650-849-6650
63684	Biju Chandran	202-808-3550
63906	Nishla Keiser	617-646-1630
64621	Aya Suzuki	202-408-4277
65125	Joseph Long	202-408-4000
65162	Jeffrey Jacobstein	617-646-1664
65229	Jeffrey Totten	202-408-4000
65418	Yanbin Xu	202-408-6011
65499	Yelena Morozova	+44-020-7864 2800
65506	Kevin Rodkey	404-653-6484
66116	David Mroz	202-408-4022
66153	Jeffrey Smyth	650-849-6600
66219	Sarah Rodriguez	442-078-642800
66599	Alexander Boyer	484-832-5183
66946	Andrea Mills	512-293-9416
67191	Ryan O'Quinn	571-203-2426
68332	Cora Holt	--
68664	Christopher Johns	202-408-4155
69029	Christopher Blackford	202-408-4000
69325	Benjamin Saidman	404-653-6510
69340	Pier Deroo	202-408-4000
69397	Yi Yu	571-203-2479
69560	Kara Specht	678-361-5914
69633	Yan Hankin	401-556-6797
69674	Mingji Jin	202-408-6020
69800	Audrey Chang	510-845-7169
70110	Kai Rajan	202-408-4307
70657	Kelly Horn	--
70779	Yuefei Ma	571-203-2702
70914	Jinwoo Kim	650-849-6600
70927	Sonja Sahlsten	202-408-4329
71228	Sara Leiman	617-495-0532
71337	Adam Boger	216-255-4865
71393	Daniel Roland	202-598-7270
71505	Alissa Lipton	617-646-1600
71900	Nicholas Cerulli	202-480-4248
71923	Yieyie Yang	617-416-7098
71998	Jennifer Roscetti	202-408-4150
72334	Matthew Hlinka	202-408-4333
72482	Yinan Liu	857-272-6038
72627	Ryan Davies	903-935-2912
72693	Daniel Klodowski	202-408-4216
74083	Kassandra Officer	202-408-4270
74123	Forrest Jones	202-408-4019
74264	Tyler Akagi	202-408-4385
74279	Matthew Karas	404-653-6439
74972	Henry Shikani	202-408-4330
75004	Jeanette Roorda	202-408-4008
75006	Bradford Schulz	571-203-2739
75096	Cory Bell	617-646-1641
75786	Robert High Iii	404-653-6564
76015	Laura Smith	617-646-1629
76098	Umber Aggarwal	202-408-4154
76224	Jency Mathew	571-203-2700
76631	Marta Daneshvar	650-849-6670
77044	Benjamin Hemmelgarn	202-408-4026
77225	James Masters	202-408-4127
77531	Paul Browning	202-408-4134
77898	Christopher Anderson	571-203-2765
77963	Anthony Berlenbach	202-408-4135
78004	Drew Christie	571-203-2732
78038	Daniel Jordan	571-203-2471
78062	Megan Meyers	404-653-6565
78149	Min Yang	202-408-4163
78158	Matthew Everhart	202-408-4278
78214	Victor Palace	303-704-3814
78238	Michael Mclaughlin	202-408-4220
78309	Antoinette Nibbs	617-646-1649
78500	Jameson Gardner	571-203-2425
78501	Alissa Green	202-408-4305
78730	Kaitlyn Pehrson	202-573-1738
78750	Colin Kreutzer	202-408-4217
78809	Xirui Zhang	617-646-1626
78843	Nicholas Eitsert	202-731-4524
78874	William Neer	636-375-6437
78998	Yoonhee Kim	202-408-4214
79011	Alexander Newkirk	919-271-7672
79064	Luke Macdonald	571-203-2742
79097	David Lebby Jr.	202-768-5651
79112	Andrew Schneider	202-709-1684
79185	Candace Walther	414-698-3495
79267	Abhinav Garg	585-752-9243
79284	Deanna Smiley	571-203-2717
79293	Shannon Yi	202-408-4310
79393	Christopher Kim	267-218-6821
79544	Christopher Howes	202-408-4356
79595	Guanshi Li	617-646-1653
79634	Connor Mcgregor	757-645-6437
79767	Taylor Stark	571-203-2719
79821	Emma Ng	303-518-2957
79853	Jordan Gringauz	954-375-0368
79876	Jenna Logsdon	813-974-0994
79954	Soniya Shah	716-796-5587
800050	Yi Yang	857-328-7055
800103	Tobias Koengeter	857-361-9147
80028	Annmarie Dressler	571-449-1652
80129	Dara Emami	757-871-3645
80268	Robert Wright	404-653-6555
80379	Taryn Willett	513-520-4121
80472	Angeline Premraj	202-408-4174
80559	Carlos Duarte Guevara	202-408-6013
80697	Alexandra Hoyt	202-412-6204
80702	Audrey Parker	202-408-4000
80837	Kathleen Galleher	301-807-9029
80845	Joseph Myles	202-408-4372
80990	Benjamin Levitas	202-408-4000
81020	Stephanie Ham	703-389-1274
81134	Daniel Rivalti	202-251-1052
81220	Milan Feliciello	202-408-4317
81346	Bushra Haque	703-965-1450
81437	Shawn Chang	404-653-6455
81559	Mark Lampert	202-408-4000
81568	Chen Zang	202-408-4000
81666	Laura Lyons	617-646-1632
81671	Christian Sanders	240-507-4547
81723	Lu Liu	650-512-3540
81757	Laura Brashear	571-203-2735
81865	Shannon Patrick	770-366-9373
81921	Leith Shafi	202-408-4413
81980	Caitlin Coverstone	202-408-4129
82089	Heather Ren	202-408-4024
82107	Ilana Kelsey	617-530-0261
82361	Rebecca Richardson	202-408-4364
82462	Samir Ismail	202-408-4015
82475	Madeline Herman	617-686-7206
82481	Ryan Ponzi	857-278-5398
82489	Comfort Adeyemi	267-984-2162
82508	Sarah Slone	202-408-4252
82581	Liam Gaynor	617-571-5003
82922	Alex Wang	202-408-4253
83158	Emma Capitanelli	202-699-2956
83298	Richmond Van Winter	202-408-4309
83310	Lin Ao	617-548-8543
83353	Deena Lanier	202-408-4115
L0906	Karthik Kumar	202-408-4433
L1076	Chiaki Fujiwara	202-408-4163
L1374	Yicong Du	202-408-4015

Proceeding Documents

Patent Owner's Amended Mandatory Notices NOTICE

2026-09-09 FILING PARTY: PATENT OWNER

Download

Other: other court decision OTHER

2026-08-31 FILING PARTY: BOARD

Download

Other: Fed Circuit mandate OTHER

2026-08-31 FILING PARTY: BOARD

Download

Judgment Final Written Decision FINAL

2024-06-11 FILING PARTY: BOARD

Download

Institution Decision: Granting Institution of Inter Partes Review 35 U.S.C. sec. 314 Granting Motion for Joinder 35 U.S.C. sec. 315c; 37 C.F.R. sec. 42.122 OTHER

2024-01-10 FILING PARTY: BOARD

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Amazon.com Services LLC et al. vs. Zentian Limited

Proceeding Overview

Parties & Counsel

Petitioner

Amazon.com Services LLC et al.

Represented By

Patent Owner / Respondent

Zentian Limited

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Patent Owner's Amended Mandatory Notices NOTICE

Other: other court decision OTHER

Other: Fed Circuit mandate OTHER

Judgment Final Written Decision FINAL

Institution Decision: Granting Institution of Inter Partes Review 35 U.S.C. sec. 314 Granting Motion for Joinder 35 U.S.C. sec. 315c; 37 C.F.R. sec. 42.122 OTHER

Patent Owner's Sur-Reply in Support of its Preliminary Response and Contingent Joinder Opposition OTHER

Petitioners' Reply to Patent Owner's Preliminary Response and Contingent Joinder Opposition REPLYTOOPP

Scheduling Order in Zentian Ltd. v. Amazon.com, Inc. Exhibit

Amazon's Amended Invalidity Contentions in District Court Exhibit

Correspondence from Amazon's Counsel re Sotera stipulation Exhibit

Patent Owner's Preliminary Response and Contingent Joinder Opposition POPR

Notice : Power of Attorney NOTICE

Notice : Mandatory Notice NOTICE

Notice: defective petition NOTICE

Exhibit 1001 (CORRECTED) - U.S. Patent No. 10,839,789 Exhibit

Exhibit 1018-Speech Synthesis and Recognition Exhibit

Exhibit 1014-Zentian, Ltd. v Apple Inc., WDTX Waco (6:22-cv-122) Complaint Exhibit

Exhibit 1012-Effective Algorithms for Speech Recognition Exhibit

Exhibit 1026-U.S. Patent No. 6,092,045 Exhibit

Exhibit 1060-U.S. Patent No. 6,029,221 Exhibit

Exhibit 1029-U.S. Patent No. 6,452,348 to Toyoda Exhibit

Exhibit 1038-U.S. Patent No. 4,567,606 Exhibit

Exhibit 1067-Les Atlas, Ph.D. Exhibit

Exhibit 1042-U.S. Patent No. 7,478,041 Exhibit

Exhibit 1005-U.S. Patent No. 5,819,222 Exhibit

Exhibit 1031-U.S. Patent No. 5,893,058 Exhibit

Exhibit 1020-Statistical Methods for Speech Recognition Exhibit

Exhibit 1022-A Tutorial on Hidden Markov Models and Selected Applications Exhibit

Exhibit 1015-Fundamentals of Speech Recognition, Part 5 of 6 Exhibit

Exhibit 1024-U.S. Patent Application Publication No. 2003/0220796 Exhibit

Petitioners' Power of Attorney NOTICE

Exhibit 1032-U.S. Patent Application Publication No. 2001/0010039 Exhibit

Exhibit 1054-U.S. Patent No. 7,058,678 Exhibit

Exhibit 1006-U.S. Patent No. 6,959,376 Exhibit

Exhibit 1053-Dynamic Programming Search Strategies Exhibit

Exhibit 1033-U.S. Patent No. 5,754,878 Exhibit

Exhibit 1065-U.S. Patent No. 6,185,634 Exhibit

Exhibit 1019-U.S. Patent No. 4,926,488 Exhibit

Exhibit 1043-U.S. Patent No. 7,587,318 to Seshadri Exhibit

Exhibit 1017-U.S. Patent No. 7,120,582 Exhibit

Exhibit 1002-Prosecution History for the ’789 Patent Exhibit

Exhibit 1004-U.S. Patent No. 6,374,219 Exhibit

Exhibit 1021-Handbook of Neutral Networks for Speech Processing Exhibit

Exhibit 1048-U.S. Patent No. 5,150,330 Exhibit

Exhibit 1003-Declaration of Christopher Schmandt Exhibit

Exhibit 1015-Fundamentals of Speech Recognition, Part 6 of 6 Exhibit

Exhibit 1039-U.S. Patent No. 6,182,203 Exhibit

Exhibit 1009-The Motorola DSP56000 Digital Signal Processor Exhibit

Exhibit 1047-U.S. Patent No. 6,879,954 Exhibit

Exhibit 1008-Newton’s Telecom Dictionary, 19th Edition Exhibit

Exhibit 1066-U.S. Patent No. 6,567,953 Exhibit

Exhibit 1001-U.S. Patent No. 10,839,789 Exhibit

Exhibit 1059-Speaker Independent Continuous Hmm-Based Recognition Exhibit

Petitioners' Motion for Joinder Under 35 U.S.C. § 315(c), 37 C.F.R. § 42.22 MOTION

Exhibit 1045-U.S. Patent Application Publication No. 2003/0012347 Exhibit

Exhibit 1041-U.S. Patent No. 7,171,358 Exhibit

Exhibit 1015-Fundamentals of Speech Recognition, Part 3 of 6 Exhibit

Exhibit 1011-U.S. Patent No. 6,499,012 Exhibit

Exhibit 1013-Recent Advances in Speech Processing Exhibit

Exhibit 1058-Multi-DSP and VQ-ASIC Based Acoustic Front-End Exhibit

Exhibit 1061-Scheduling Order Exhibit

Exhibit 1023-U.S. Patent No. 6,182,037 Exhibit

Exhibit 1010-Voice Communication with Computers Exhibit

Exhibit 1015-Fundamentals of Speech Recognition, Part 4 of 6 Exhibit

Exhibit 1068-Amended Scheduling Order Exhibit