Google LLC vs. Cellular South Inc

Explore the PTAB proceeding IPR2025-00877 filed by Google LLC on 2025-05-10. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00877

Filing Date

2025-05-10

Accorded Filing Date

2025-05-10

Institution Decision Date

2025-11-21

Last Modified Date

2026-03-23

Proceeding Type

IPR

Termination Date

2025-11-21

Trial Status

Institution Denied

Parties & Counsel

Petitioner

Google LLC

Represented By

Keefe, Heidiet al

Patent Owner / Respondent

Cellular South Inc

Represented By

Simpson, Amyet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2600 - Communications

Patent Information

1 Patent Involved

Respondent Application Number 16271773

Respondent Patent Number 11126853

External Links

Espacenet

Google Patents

Respondent Inventor Bartlett Wade Smith IV et al

Respondent Tech Center TC 2600 - Communications

Address and Attorney/Agent Information

9 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name STEPTOE LLP/DC

Customer Number 27890

Address 1330 CONNECTICUT AVENUE, N.W., WASHINGTON, DC, 20036, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
42800	Z Li	212-506-3912
43279	Carl Wischhusen	212-378-7572
44978	James Nuttall	312-577-1300
51031	John Abramic	312-577-1300
68835	Ronald Vogel	212-378-7611
69653	Scott Richey	202-429-6436
70202	Robert Kappers	312-577-1300
74803	Daniel Gelwicks	312-577-1300
75978	Heather Hildreth	202-429-1308

Proceeding Documents

Notice: refund approved NOTICE

2026-03-23 FILING PARTY: BOARD

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Petitioner's Request for Refund of Post-Institution Fees OTHER

2026-03-20 FILING PARTY: PETITIONER

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Decision Denying Petitioner’s Request for Rehearing of Decision on Institution REHEARING

2026-01-07 FILING PARTY: BOARD

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Petitioner's Request for Rehearing of Denial of Institution REHEARING

2025-12-17 FILING PARTY: PETITIONER

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Institution Decision: Denying Institution of Inter Partes Review 35 U.S.C. sec. 314 DECISION

2025-11-21 FILING PARTY: BOARD

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Google LLC vs. Cellular South Inc

Proceeding Overview

Parties & Counsel

Petitioner

Google LLC

Represented By

Patent Owner / Respondent

Cellular South Inc

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

Petitioner's Request for Refund of Post-Institution Fees OTHER

Decision Denying Petitioner’s Request for Rehearing of Decision on Institution REHEARING

Petitioner's Request for Rehearing of Denial of Institution REHEARING

Institution Decision: Denying Institution of Inter Partes Review 35 U.S.C. sec. 314 DECISION

Director Discretionary Decision: Refer RESPONSE

853 Amendment Exhibit

Patent Owner's Preliminary Response POPR

U.S. Patent No. 10,204,274 Exhibit

U.S. 2019/0340437 A1 Exhibit

Excerpts from prosecution history of U.S. Patent App. No. 15/444,054 Exhibit

Cellular South, Inc. v. Google LLC, Case No. 6:24-cv-00245-DAE, Document 59 (W.D. Tex. Feb. 12, 2025) Exhibit

Petitioner's Updated Exhibit List NOTICE

Petitioner's Response to Patent Owner's Request for Discretionary Denial of Institution RESPONSE

Webpage from DocketNavigator.com, showing Judge Yvonne Gonzalez Rogers decisions on motions to stay pending IPR Exhibit

NAB Exhibit

US Patent 9,940,972 Exhibit

Proof of Service-Affidavit Exhibit

CSI Prelim Infringement Contentions Exhibit

Patent Owner's request for Discretionary Denial of Institution RESPONSE

Vu Article Exhibit

US Patent 10,218,954 Exhibit

Joint CMO - Modified Exhibit

Complaint Exhibit

References Cited Exhibit

CMC Transcript Exhibit

IDS Exhibit

853 Redline comparison Exhibit

US Patent 11,126,853 Exhibit

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

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

Yang et al., Detecting Faces in Images: A Survey (2002) Exhibit

Proof of Service of Complaint Exhibit

Notice: Power of Attorney NOTICE

Kouzani et al., Fractal Face Rep and Recog (1997) Exhibit

U.S. Patent App. Pub. No. 2009/0141940 A1 to Liang Zhao et al. Exhibit

Part 4 - Declaration of Ingrid Hsieh-Yee Ph.D. Exhibit

U.S. Patent App. Pub. No. 2006/0187305 A1 to Mohan M. Trivedi et al. Exhibit

U.S. Patent No. 11,126,853 B2 to Bartlett Wade Smith, IV Exhibit

U.S. Patent No. 7,574,016 B2 to Eran Steinberg et al. Exhibit

Part 2 - Declaration of Ingrid Hsieh-Yee Ph.D. Exhibit

Romdhani et al., Face Identification by Fitting a 3D Morphable... (2002) Exhibit

U.S. Patent App. Pub. No. 2011/0305394 A1 to David William Singer et al. Exhibit

Excerpts from Peter Lubbers et al., Pro HTML5 Programming....(2010) Exhibit

Excerpts from Microsoft Computer Dictionary (5th ed. 2002) Exhibit

Prosecution History of U.S. Patent No. 11,126,853 B2 Exhibit

Petition: as filed PETITION

Declaration of Henry Houh Ph.D. Exhibit

Part 1 - Declaration of Ingrid Hsieh-Yee Ph.D. Exhibit

Excerpts from Jura van Vliet et al., Programming Amazon EC2 (2011) Exhibit

Cellular South's Oppsn to Mtn to Dismiss - 6:24-cv-00245 DAE (WDTX) Exhibit

Tang et al., “Facial Image Recog Based on Fractal Image Encoding (2010) Exhibit

U.S. Patent No. 9,697,230 to Henry Houh et al. Exhibit

U.S. Patent App. Pub. No. 2014/0181668 A1 to Barry A. Kritt et al. Exhibit

Part 3 - Declaration of Ingrid Hsieh-Yee Ph.D. Exhibit