Microsoft Corporation et al. vs. Dialect, LLC

Explore the PTAB proceeding IPR2025-00656 filed by Microsoft Corporation et al. on 2025-03-07. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00656

Filing Date

2025-03-07

Accorded Filing Date

2025-04-07

Institution Decision Date

2025-08-14

Last Modified Date

2025-12-01

Proceeding Type

IPR

Termination Date

2025-08-14

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Microsoft Corporation et al.

Represented By

Border, Scottet al

Patent Owner / Respondent

Dialect, LLC

Represented By

Helge, Wayneet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2600 - Communications

Patent Information

1 Patent Involved

Respondent Application Number 13488299

Respondent Patent Number 8447607

External Links

Espacenet

Google Patents

Respondent Inventor CHRIS WEIDER et al

Respondent Tech Center TC 2600 - Communications

Address and Attorney/Agent Information

1 Registered Practitioner

Power of Attorney & Correspondence

Firm / Entity Name The Law Offices of David A. Gerasimow, P.C.

Customer Number 174899

Address P.O. Box 10861, Chicago, IL, 60610, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
57512	David Gerasimow	312-919-4254

Proceeding Documents

Notice: refund approved NOTICE

2025-12-01 FILING PARTY: BOARD

Download

PETITIONER’S REQUEST FOR REFUND OTHER

2025-11-25 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2025-08-14 FILING PARTY: BOARD

Download

3102

Email Correspondence Exhibit

2025-07-24 FILING PARTY: BOARD

Download

3101

Email Correspondence Exhibit

2025-07-21 FILING PARTY: BOARD

Download

Microsoft Corporation et al. vs. Dialect, LLC

Proceeding Overview

Parties & Counsel

Petitioner

Microsoft Corporation et al.

Represented By

Patent Owner / Respondent

Dialect, LLC

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 OTHER

Director Discretionary Decision: Deny RESPONSE

Email Correspondence Exhibit

Email Correspondence Exhibit

Petitioner's Unopposed Motion to File Under Seal MOTION

Ex 1037 - 607 Patent Assignment Record Exhibit

Ex 1036 - Redacted Opp to MTD the SAC Exhibit

Ex 1034 - Microsoft - Microsoft Acquires Nuance Exhibit

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

Ex 1035 - Dialect v. Google district order to stay Exhibit

Ex 1033 - Geekwire - Nuance Acquires VBT Exhibit

Patent Owner's Preliminary Response POPR

Ex 2003 Defendant's Invalidity Contentions Exhibit

Patent Owner's Request for Discretionary Denial RESPONSE

Ex 2008 Ex. C (Maes) to Defendant's Invalidity Contentions Exhibit

Ex 2020 "IPBC Global 2025: Acting USPTO Director says IPR use needs to change" Exhibit

Ex 2007 U.S. Pat. 7,137,126 (PCT counterpart to Coffman) Exhibit

Ex 2009 Ex. C (Coffman) to Defendant's Invalidity Contentions Exhibit

Ex 2019 Return of Summons Exhibit

Ex 2104 Excerpts from File History for U.S. Patent 9,514,748 Exhibit

Ex 2001 First Amended Docket Control Order Exhibit

Ex 2002 Comparison of Districts Within the Fifth Circuit Exhibit

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice: Notice filing date accorded NOTICE

Ex 1013 -- U.S. Pat No. 7137126 (Coffman 126) Exhibit

Ex 1008 -- U.S. Patent Pub No 20020087315 (Lee) Exhibit

Ex 1029 -- EDTX - Calendar - J. Gilstrap Exhibit

Ex 1007 -- 2025-02-11 [66] Dialect REDACTED 2nd Amended Complaint Exhibit

Ex 1003 -- Dr. Henry Houh Declaration (607) Exhibit

Ex 1001 -- U.S. Pat No. 8447607 (Weider et al.) Exhibit

Ex 1028 -- Viseme Recognition Using Multiple Feature Matching Exhibit

Ex 1002 -- File History of U.S. Pat No. 8447607 Exhibit

Ex. 1010 -- Visser, I. (2011) Exhibit

Ex 1017 -- Excerpts from Dafydd Gibbon et al., Handbook of Multimodal Exhibit

Ex 1009 -- Rabiner Paper Exhibit

IPR Petition ('607 Patent) PETITION

Ex 1004 -- Henry H. Houh's Expert Witness CV Exhibit

Petitioner's Power of Attorney NOTICE

Ex 1006 -- U.S. Pat No. 5937383 (Ittycheriah et al.) Exhibit

Ex 1005 -- U.S. Pat No. 6964023 (Maes et al.) Exhibit

Ex 1012 -- PCTUS9922927 (Coffman) Exhibit