Carbyne, Inc. et al. vs. Tritech Software Systems et al.

Explore the PTAB proceeding IPR2025-00959 filed by Carbyne, Inc. et al. on 2025-05-09. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00959

Filing Date

2025-05-09

Accorded Filing Date

2025-05-09

Institution Decision Date

2026-02-19

Last Modified Date

2026-03-25

Proceeding Type

IPR

Termination Date

2026-02-19

Trial Status

Institution Denied

Parties & Counsel

Petitioner

Carbyne, Inc. et al.

Represented By

Herman, K.et al

Patent Owner / Respondent

Tritech Software Systems et al.

Represented By

Lavenue, Lionelet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 3900 - Central Reexamination Unit (CRU)

Patent Information

1 Patent Involved

Respondent Application Number 18102592

Respondent Patent Number RE50016

External Links

Espacenet

Google Patents

Respondent Inventor David J. Leggett et al

Respondent Tech Center TC 3900 - Central Reexamination Unit (CRU)

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

Denying Rehearing Request from Director Review Decision REQUEST

2026-03-25 FILING PARTY: BOARD

Download

Patent Owner's Updated Power of Attorney NOTICE

2026-03-06 FILING PARTY: PATENT OWNER

Download

Patent Owner's Updated Mandatory Notices NOTICE

2026-03-06 FILING PARTY: PATENT OWNER

Download

PETITIONER’S UPDATED MANDATORY NOTICES NOTICE

2026-03-06 FILING PARTY: PETITIONER

Download

Patent Owner's Authorized Response to Petitioner's Rehearing Request of Director Review Decision OTHER

2026-03-06 FILING PARTY: PATENT OWNER

Download

Carbyne, Inc. et al. vs. Tritech Software Systems et al.

Proceeding Overview

Parties & Counsel

Petitioner

Carbyne, Inc. et al.

Represented By

Patent Owner / Respondent

Tritech Software Systems et al.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Denying Rehearing Request from Director Review Decision REQUEST

Patent Owner's Updated Power of Attorney NOTICE

Patent Owner's Updated Mandatory Notices NOTICE

PETITIONER’S UPDATED MANDATORY NOTICES NOTICE

Patent Owner's Authorized Response to Petitioner's Rehearing Request of Director Review Decision OTHER

Exhibit 3104 Exhibit

Petitioner's Request for Rehearing of the Director's Review REHEARING

Director Review Decision Reversing Institution Decision DECISION

Notice of Stipulation to Change Due Dates NOTICE

Notice of Stipulation to Change Due Dates NOTICE

Notice of Stipulation to Change Due Dates NOTICE

Ex. 3103 Request for Leave for short Reply - Denied Exhibit

Authorized Response to Director Review Request OTHER

Email, Subject_IPR2025-00959 Director Review Request Exhibit

Patent Owner's Request for Director Review REQUEST

Panel Change Order ORDER

SCHEDULING ORDER ORDER

DECISION Granting Institution of Inter Partes Review 35 U.S.C. § 314 DECISION

Director Discretionary Decision: Refer RESPONSE

Petitioner's Sur-Reply in Further Opposition to Patent Owner's Request for Discretionary Denial OTHER

Patent Owner's Reply to Opposition to Request for Discretionary Denial OTHER

Email Correspondence Exhibit

Patent Owner's Updated Exhibit List NOTICE

Ex. 1017 Exhibit

Ex. 1018 Exhibit

Patent Owner's Preliminary Response POPR

"SARLOC location software" The SARLOC System Exhibit

Petitioner's Opposition to Patent Owner's Request for Discretionary Denial RESPONSE

Complaint for Patent Infringement, CentralSquare Technologies LLC v. Carbyne, Inc, Case No. 1:24-cv-01497, (W.D. Tex. Dec. 4, 2024) Exhibit

Proposed Scheduling Order, CentralSquare Technologies LLC v. Carbyne, Inc, Case No. 1:24-cv-01497, (W.D. Tex. July 7, 2025) Exhibit

Patent Owner's Request for Discretionary Denial RESPONSE

Ex. A to Complaint, CentralSquare Technologies LLC v. Carbyne, Inc, Case No. 1:24-cv-01497, (W.D. Tex. Dec. 4, 2024) Exhibit

Ex. F to Complaint, CentralSquare Technologies LLC v. Carbyne, Inc, Case No. 1:24-cv-01497, (W.D. Tex. Dec. 4, 2024) Exhibit

Scheduling Order, CentralSquare Technologies LLC v. Carbyne, Inc, Case No. 1:24-cv-01497, (W.D. Tex. July 8, 2025) Exhibit

Notice: Notice filing date accorded NOTICE

Patent Owner's Mandatory Notices NOTICE

Ex. 1015 Exhibit

Ex. 1001 Exhibit

Notice: Power of Attorney NOTICE

Petition: as filed PETITION

Ex. 1010 Exhibit

Ex. 1003 Exhibit

Ex. 1016 Exhibit

Ex. 1004 Exhibit

Ex. 1011 Exhibit

Ex. 1012 Exhibit

Ex. 1009 Exhibit

Ex. 1013 Exhibit

Ex. 1002 Exhibit

Ex. 1008 Exhibit

Ex. 1007 Exhibit

Ex. 1006 Exhibit

Ex. 1014 Exhibit

Ex. 1005 Exhibit