CentralSquare Technologies, LLC vs. Carbyne, Ltd. et al.

Explore the PTAB proceeding IPR2025-01179 filed by CentralSquare Technologies, LLC on 2025-06-27. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-01179

Filing Date

2025-06-27

Accorded Filing Date

2025-06-27

Institution Decision Date

2025-12-11

Last Modified Date

2026-08-27

Proceeding Type

IPR

Termination Date

—

Trial Status

Trial Instituted

Parties & Counsel

Petitioner

CentralSquare Technologies, LLC

Represented By

Cutri, Gianniet al

Patent Owner / Respondent

Carbyne, Ltd. et al.

Represented By

Herman, K.et al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2600 - Communications

Patent Information

1 Patent Involved

Respondent Application Number 17943956

Respondent Patent Number 11689383

External Links

Espacenet

Google Patents

Respondent Inventor Alexander Dizengof

Respondent Tech Center TC 2600 - Communications

Address and Attorney/Agent Information

6 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Axon Enterprise Inc. (Ehrlich Group)

Customer Number 232691

Address Sky Tower, HaMasger St 35, 13th Floor, Tel Aviv-Yafo, AZ, 5268104, ISRAEL

Attorney / Agent Information

Reg #	Name	Phone
26738	Darrell Hollis	240-688-8469
40338	Martin Moynihan	703-598-7851
66818	Andrew Graham	419-285-6650
74449	Justin Powley	719-429-0325
77819	H Malvich Jr	248-933-9272
79725	Jeffrey Harrigan	860-912-0725

Proceeding Documents

Order: Setting Oral Argument 37 C.F.R. sec. 42.70 ORDER

2026-08-27 FILING PARTY: BOARD

Download

Joint Request for Oral Argument OTHER

2026-08-06 FILING PARTY: PETITIONER

Download

Petitioner's Objections to Patent Owner's Sur-Reply Evidence OTHER

2026-07-28 FILING PARTY: PETITIONER

Download

Patent Owner's Sur-Reply OTHER

2026-07-21 FILING PARTY: PATENT OWNER

Download

2015

Ex. 2015 Exhibit

2026-07-21 FILING PARTY: PATENT OWNER

Download

CentralSquare Technologies, LLC vs. Carbyne, Ltd. et al.

Proceeding Overview

Parties & Counsel

Petitioner

CentralSquare Technologies, LLC

Represented By

Patent Owner / Respondent

Carbyne, Ltd. et al.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Order: Setting Oral Argument 37 C.F.R. sec. 42.70 ORDER

Joint Request for Oral Argument OTHER

Petitioner's Objections to Patent Owner's Sur-Reply Evidence OTHER

Patent Owner's Sur-Reply OTHER

Ex. 2015 Exhibit

Patent Owner's Second Notice of Cross-Examination by Deposition of Stuart J. Lipoff NOTICE

Patent Owner's Objections to Petitioner's Reply Evidence OTHER

Panel Change Order ORDER

Ex. 1011 Supplemental Declaration of S Exhibit

Ex. 1015 Frost & Sullivan Wikipedia Exhibit

Ex. 1013 Christensen Declaration (WDTX) Exhibit

Ex. 1018 WDTex Docket 64 CST Notice of Withdrawal Exhibit

Ex. 1016 IPVM Pay for Frost & Sullivan Award Exhibit

Ex. 1019 Email Chain with Judge Albright Exhibit

Ex. 1014 WebRTC Analysis Article Exhibit

Petitioner's Reply to Patent Owner's Response REPLYTOOPP

Ex. 1012 Christensen Deposition Transcript Exhibit

Ex. 1017 Frost & Sullivan LinkedIn Article Exhibit

Notice of Joint Stipulation to Adjust Due Dates 2 and 3 in Part NOTICE

Petitioner's Amended Notice of Deposition of Gerald Christensen NOTICE

Petitioner's Notice of Deposition of Gerald Christensen NOTICE

Petitioner's Updated Power of Attorney NOTICE

Petitioner's Updated Mandatory Notices NOTICE

ORDER Conditionally Granting Petitioner’s Motion for Pro Hac Vice Admission of Dan Sinclair 37 C.F.R. § 42.10 ORDER

Denying Request for Extension of Time to File Request for Director Review ORDER

Ex. 2008 Exhibit

Patent Owner's Response RESPONSE

Ex. 2009 Exhibit

Ex. 2013 Exhibit

Ex. 2005 Exhibit

Ex. 2007 Exhibit

Ex. 2004 Exhibit

Ex. 2006 Exhibit

Ex. 2011 Exhibit

Ex. 2010 Exhibit

Ex. 2012 Exhibit

Ex. 2014 Exhibit

Email, Subject_RE_ (Director Review Rehearing Request) IPR2025-01179 (Request for Good Cause Extension for Director Review) - Response Exhibit

Patent Owner's Notice of Cross-Examination by Deposition of Stuart J. Lipoff NOTICE

Ex. 1010 Sinclair Declaration Exhibit

Petitioner’s Unopposed Motion for Pro Hac Vice Admission of Dan Sinclair MOTION

Patent Owner's Updated Mandatory Notices NOTICE

Notice of Joint Stipulation to Adjust Due Dates 1, 2 and 3 NOTICE

Petitioner's Updated Power of Attorney NOTICE

Petitioner's Updated Mandatory Notices NOTICE

Order: SCHEDULING ORDER ORDER

Institution Decision: Grant DECISION

Director Discretionary Decision: Refer RESPONSE

U.S. Patent No. 9,792,654 Exhibit

Patent Owner's Preliminary Response POPR

Petitioner's Updated Exhibit List NOTICE

Petitioner's Opposition Brief in Response to Patent Owner's Contingent Request for Discretionary Denial RESPONSE

Carbyne Answer, CentralSquare Technologies, LLC v. Carbyne, Inc. et al., 1:24-cv-01497 Exhibit

Ex. 2001 Exhibit

Ex. 2003 Exhibit

Ex. 2002 Exhibit

Patent Owner's Contingent Request for Discretionary Denial RESPONSE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice: Notice filing date accorded NOTICE

U.S. Patent No. 11,689,383 Exhibit

U.S. Patent No. 9,762,733 (Ramanujaiaha) Exhibit

Prosecution History of U.S. Patent No. 11,689,383 Exhibit

Petitioner Power of Attorney NOTICE

Mobile Application Development with SMS and the SIM toolkit Exhibit