DK Crown Holdings Inc. et al. vs. Howard W. LUTNICK et al (Inventor)

Explore the PTAB proceeding IPR2026-00493 filed by DK Crown Holdings Inc. et al. on 2026-09-17. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00493

Filing Date

2026-09-17

Accorded Filing Date

2026-09-17

Institution Decision Date

—

Last Modified Date

2026-09-23

Proceeding Type

IPR

Termination Date

—

Trial Status

Pending

Parties & Counsel

Petitioner

DK Crown Holdings Inc. et al.

Represented By

LYNN, JAMIEet al

Patent Owner / Respondent

Howard W. LUTNICK et al (Inventor)

Represented By

—

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 3600 - Transportation, E-Commerce & Construction

Patent Information

1 Patent Involved

Respondent Application Number 18652765

Respondent Patent Number 12406284

External Links

Espacenet

Google Patents

Respondent Inventor Howard W. LUTNICK et al

Respondent Tech Center TC 3600 - Transportation, E-Commerce & Construction

Address and Attorney/Agent Information

145 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name STERNE, KESSLER, GOLDSTEIN & FOX P.L.L.C.

Customer Number 26111

Address 1101 K Street, NW, 10th Floor, WASHINGTON, DC, 20005, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
28912	Robert Sterne	202-772-8555
29021	Jorge Goldstein	202-371-2600
32831	Tracy-Gene Durkin	202-371-2600
33876	Donald Featherstone	202-772-8629
33997	Michael Ray	202-772-8569
34368	Randy Lacasse	202-772-8678
34395	Robert Millonig	202-371-2600
35239	Michael Lee	703-628-0233
36013	Robert Sokohl	202-371-2600
36351	Karen Markowicz	202-772-8637
36688	Eric Steffe	202-371-8625
38759	John Covert	202-371-2600
39967	Eldora Ellison	202-772-8508
41306	Timothy Shea Jr	202-371-2600
42289	Donald Banowit	202-371-2600
43447	Jason Eisenberg	202-371-2600
44757	Jeffrey Helvey	202-772-8675
45871	Mark Rygiel	202-371-2600
45986	Peter Jackman	202-371-2600
47756	Gaby Longsworth	202-371-2600
48256	Pamela Mingo	202-371-2600
51802	James Hietala	202-772-8795
53812	Daniel Yonan	202-371-2600
54179	Michelle Holoubek	202-772-8855
54463	Michael Specht	202-371-2600
55440	Jennifer Chagnon	202-772-8890
56374	Ross Hicks	202-371-2600
57772	Lori Brandes	202-371-2600
57913	Paul Calvo	202-772-8846
58164	Kristina Kelly	202-776-5284
58403	Marsha Gillentine	202-772-8692
58770	Harish Ruchandani	--
58885	Matthew Bodenstein	202-772-8787
59244	Stephanie Elmer	202-371-2600
59425	Kyle Conklin	202-371-2600
60167	Scott Schaller	202-371-2600
60390	Richard Coller Iii	202-772-8764
60789	Cynthia Derenzo	+358-10-505-6847
60889	Salvador Bezos	202-772-8533
61205	David Holman	202-371-2600
61327	Jonathan Tuminaro	202-371-2600
61868	Dennies Varughese	202-772-8805
62732	Deborah Sterling	202-772-8501
63208	Christopher O'Brien	202-772-8680
63285	Joseph Mutschelknaus	202-371-2600
63504	Ralph Powers Iii	202-772-8876
63929	Jaume Canaves	202-371-2600
64228	Graham Phero	202-772-8860
64515	Daniel Gajewski	202-772-8774
64587	Syed Ahmed	847-289-5228
64974	Michael Gross Iii	202-772-8762
65021	Christian Camarce	202-772-8895
65172	Byron Pickard	202-371-2600
65211	Michael Malek	410-533-1922
65245	Richard Crudo	202-772-8575
65261	Evan Linderman	202-772-8915
65326	Olga Partington	202-772-8626
65367	Jason Fitzsimmons	202-772-8701
65457	Lauren Schleh	703-836-6400
65458	Robert Schmidt	202-772-8716
66568	Branka Bogunovic	202-772-8727
66638	Jeremiah Frueauf	202-772-8506
67254	Ryan Richardson	202-772-8729
67836	Bonnie Nannenga-Combs	202-371-2600
68395	Daniel Block	202-371-2600
68504	Ji Eun Kim	202-371-2600
68658	Richard Bemben	202-371-2600
68887	Amirali Sharifi	202-772-8871
69086	Daniel Bernard	202-371-2600
69105	Nirav Desai	202-371-2600
69199	Tyler Tassone	202-371-2600
69235	Karen Wong-Chan	202-772-8647
69836	Darrin Hopper	202-772-8630
70077	Shoshana Marvin	202-772-8850
70291	Christopher Gallo	202-371-2600
70307	Joshua Mccoy	202-772-8869
70524	Dohm Chankong	202-772-8529
70680	Sarah Leesman	202-371-2600
71185	Rebekah Holtz	202-772-8712
72039	Daniel Choo	202-371-2600
72126	Tyler Liu	202-772-8641
72314	Lestin Kenton Jr.	202-772-8594
72488	Yuke Wang	214-284-3876
72567	Todd Hopfinger	202-772-8696
72762	Bryan Hsu	202-772-8912
72780	Jessica Harrison	202-772-8901
72981	Trevor O'Neill	202-371-2600
73112	David Haars	202-371-2600
73287	Charles Hammond	202-772-8551
73707	Matthew Smith	202-772-8503
73784	Mark Arrington	202-772-8528
73904	Steven Pappas	202-772-8719
74017	Robert Niemeier	309-678-6806
74290	Ian Soule	202-772-8984
74533	Alexander Covington	202-772-8749
74612	Ivy Clarice Estoesta	202-772-8686
74992	John Higgins	202-783-6040
75034	Tyler Drye	202-772-8614
75069	Tyler Dutton	202-772-8982
75187	Timothy Tang	202-772-8758
75234	Rola Aylo	202-772-8810
75269	Roozbeh Gorgin	202-772-8667
75349	Brian Burke	202-772-8861
75455	Tiaotiao Anchondo	202-772-8804
76231	Todd Thurheimer	202-772-8863
76838	Joseph Venier	202-772-8785
76928	Hasina Ali	202-772-8978
76989	Lisa Ritchey	202-371-2600
77163	Randy Montgomery	202-371-2600
77546	Brian Dudley	216-647-1931
77776	Zhichun Zhang	202-772-8813
78359	Kelsey Pitts	202-772-1271
78365	Wenhao Xiong	202-772-8615
78508	Louis Panzica Jr.	202-772-8954
78921	Maria Briscione	202-772-8517
79290	Michael Webb	202-772-8834
79587	Kristofer Schroder	859-991-6529
79831	Christian Berrios	317-345-2233
79850	Paige Cloud	202-371-2600
79858	Matthew Metzger	202-772-8702
800005	Yangbeini Wang	202-772-883
80057	Ethan Goldschen	202-772-1296
80168	Benjamin Nagasing	202-772-8981
80713	Pengke Li	202-772-8602
80729	Masayuki Iino	202-772-8605
80938	Michael Nathanson	202-777-9644
81041	Xiaowei Jin	202-772-8752
81053	Carson Smith	202-772-1272
81060	Michael Guzzano	202-772-8646
81186	Adil Moghal	202-371-2600
81318	Pratibha Khanduri	202-772-8509
81485	Madeleine Bond	202-772-1299
81654	Payton Miles	202-772-1276
81975	Justin Wang	626-388-6351
82104	Maxwell Furigay	202-772-1281
82162	Reuben Moses	202-772-8664
82208	Sara Keeble	202-772-8560
82263	Hailey Mendenhall	202-772-8933
82382	Xinxiang Zhang	202-772-8621
82448	Kaci Kratch	512-517-8691
82703	Thomas Baraldi	202-772-1279
82896	Deepa Shiwcharan	202-772-1284
83022	Jean Selep	202-772-1270
83036	Nicholas Holdreith	202-772-8888
83174	Marc-Anthony Armand	202-772-1283

Proceeding Documents

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

2026-09-22 FILING PARTY: BOARD

Download

1063

Exhibit 1063 - WO2008118318A1 to Pacey Exhibit

2026-09-17 FILING PARTY: PETITIONER

Download

1042

Exhibit 1042 - US20030106022A1 to Goodacre Exhibit

2026-09-17 FILING PARTY: PETITIONER

Download

1039

Exhibit 1039 - RFC3161 Internet X.509 Public Key Infrastructure Time-Stamp Exhibit

2026-09-17 FILING PARTY: PETITIONER

Download

1013

Exhibit 1013 - Dynamic IP Address Definition Exhibit

2026-09-17 FILING PARTY: PETITIONER

Download

DK Crown Holdings Inc. et al. vs. Howard W. LUTNICK et al (Inventor)

Proceeding Overview

Parties & Counsel

Petitioner

DK Crown Holdings Inc. et al.

Represented By

Patent Owner / Respondent

Howard W. LUTNICK et al (Inventor)

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

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

Exhibit 1063 - WO2008118318A1 to Pacey Exhibit

Exhibit 1042 - US20030106022A1 to Goodacre Exhibit

Exhibit 1039 - RFC3161 Internet X.509 Public Key Infrastructure Time-Stamp Exhibit

Exhibit 1013 - Dynamic IP Address Definition Exhibit

Exhibit 1034 - WO1999059283A2 to De Boor Exhibit

Exhibit 1057 - US20080102956A1 to Burman Exhibit

Exhibit 1038 - U.S. Patent No. 6,697,953 to Collins Exhibit

Exhibit 1058 - US20070146200A1 to Norin Exhibit

Exhibit 1064 - US20090264190A1 to Davis Exhibit

Exhibit 1006 - Northway US20090286553A1 Exhibit

Exhibit 1005 - Liu US20080311893A1 Exhibit

Exhibit 1033 - U.S. Patent No. 6,036,601 to Heckel Exhibit

Exhibit 1018 - Apple unveils iPhone SDK Exhibit

Exhibit 1024 - Nevada Assembly Bill Exhibit

Exhibit 1061 - US20100240455A1 to Gagner Exhibit

Exhibit 1028 - 2026.04.02 - Dkt. 1-12 - Exhibit 284 Claim Chart Exhibit

Exhibit 1044 - US20040059708A1 to Dean Exhibit

Exhibit 1046 - US20050198029A1 to Pohja Exhibit

Exhibit 1053 - US20070215794A1 to Cernasov Exhibit

Exhibit 1035 US6161127 Exhibit

Exhibit 1054 - US20080004097A1 to Maya Exhibit

Exhibit 1001 - U.S. Patent No. 12,406,284 Exhibit

Exhibit 1019 - US20030096651A1 to Black Exhibit

Exhibit 1029 - U.S. Patent No. 5,519,760 to Borkowski Exhibit

Exhibit 1021 - J. Johnson, The Xerox Star a retrospective, Computer Exhibit

Exhibit 1026 - History of Adopted Regulations Exhibit

Exhibit 1030 - U.S. Patent No. 6,246,751 to Bergl Exhibit

Exhibit 1062 - US20090125376A1 to Sundaresan Exhibit

Exhibit 1048 - US20050283806A1 to Torvinen Exhibit

Petition for Inter Partes Review of 12,406,284 PETITION

Exhibit 1007 - Aleksic US20080057894A1 Exhibit

Exhibit 1022 (Part 1 of 2) - Byte-1984-09-IBM Guide to the IBM Personal Com Exhibit

Exhibit 1023 - A Brief History of Human-Computer Interaction Technology Exhibit

Exhibit 1017 - K. Boudreau, Let a Thousand Flowers Bloom Exhibit

Exhibit 1012 - Haney US20060223518A1 Exhibit

Exhibit 1051 - US20050143136A1 to Lev Exhibit

Exhibit 1025 - Technical Standard 4 - Mobile Gaming Systems Exhibit

Exhibit 1032 - T. Richardson, The RFB Protocol Version 3.3 Exhibit

Exhibit 1010 - Mitchell US6983331 Exhibit

Exhibit 1045 - US20040254014A1 to Quraishi Exhibit

Exhibit 1043 - US20060039469A1 to Liebbrandt Exhibit

Exhibit 1037 - U.S. Patent No. 6,505,169 to Bhagavath Exhibit

Exhibit 1027 - Mobile Gaming System Policies Exhibit

Exhibit 1047 - Aalto, Bluetooth and WAP Push Based Location Exhibit

Petitioner Power of Attorney NOTICE

Exhibit 1059 - Apple Reinvents the Phone with iPhone Exhibit

Exhibit 1020 - G. Kewney, Orange SPV, ZDNET Exhibit

Exhibit 1022 (Part 2 of 2) - Byte-1984-09-IBM Guide to the IBM Personal Com Exhibit

Exhibit 1056 - Safe Act PLAW-109publ347 - Security and Accountability Exhibit

Exhibit 1015 - Overview of International Video Coding Standards Exhibit

Exhibit 1002 - File History for U.S. ’284 Patent Exhibit

Exhibit 1067 - Geolocation technologies and applications for third Exhibit

Exhibit 1066 - US20100105482A1 to Pacey Exhibit

Exhibit 1050 - US7251476 to Cortegiano Exhibit

Exhibit 1052 - RFC3971 Secure Neighbor Discovery (SEND) Network Exhibit

Exhibit 1065 - RFC 3126 Electronic Signature Formats for long term Exhibit

Exhibit 1016 - Line Transmission of Non-Telephone Signals Exhibit

Exhibit 1049 - US20060004627A1 to Baluj Exhibit

Exhibit 1004 - Gagner WO200961651_A1 Exhibit

Exhibit 1009 - Felt US20020138735A1 Exhibit

Exhibit 1041 - US20040015608A1 to Ellis Exhibit

Exhibit 1011 - Mgrdechian US20050174975A1 Exhibit

Exhibit 1031 - W3C - Cascading Style Sheets, level 2 CSS2 Specification Exhibit

Exhibit 1036 - US6487538 to Gupta Exhibit