Zoom Communications, Inc vs. Ricoh Company, Ltd. et al.
Explore the PTAB proceeding IPR2026-00407 filed by Zoom Communications, Inc on 2026-07-01. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.
Proceeding Overview
Proceeding Number
IPR2026-00407
Filing Date
2026-07-01
Accorded Filing Date
2026-07-01
Institution Decision Date
—
Last Modified Date
2026-10-06
Proceeding Type
IPR
Termination Date
—
Trial Status
Pending
Parties & Counsel
Petitioner
Zoom Communications, Inc
Represented By
Bonner, Amandaet alPatent Owner / Respondent
Ricoh Company, Ltd. et al.
Represented By
Robinson, Eagleet alTribunal & Venue
Tribunal
Patent Trial and Appeal Board (USPTO)
Technology Center
TC 2600 - Communications
Patent Information
Respondent Application Number
16507952
Respondent Patent Number
10904487
External Links
Respondent Inventor
Steven Nelson et al
Respondent Tech Center
TC 2600 - Communications
Address and Attorney/Agent Information
Power of Attorney & Correspondence
Firm
/ Entity Name
HICKMAN BECKER BINGHAM LEDESMA LLP
Customer
Number
29989
Address
1999 South Bascom Avenue, Suite 700, Campbell, CA, 95008, UNITED STATES
Attorney / Agent Information
| Reg # | Name | Phone |
|---|---|---|
| 41534 | Stephen Walder Jr | 972-380-9475 |
| 42327 | Marcel Bingham | 408-414-1206 |
| 45314 | Matthew Loppnow | 408-414-1080 |
| 46430 | Stephen Tkacs | 972-380-9475 |
| 57181 | Daniel Ledesma | 408-414-1229 |
| 61673 | Albert Lee | 714-830-0600 |
| 67293 | Chang-June Oh | 818-576-5089 |
| 70764 | Brian Miller | 408-414-1207 |
Proceeding Documents
50
2013
Madisetti POPR Declaration Exhibit
2026-10-06
FILING PARTY: PATENT OWNER
2014
Madisetti CV Exhibit
2026-10-06
FILING PARTY: PATENT OWNER
7
PO Preliminary Response POPR
2026-10-06
FILING PARTY: PATENT OWNER
1025
EX1025 - Ricoh's Prelim Disclosure of Asserted Claims & Infringement Contentions Exhibit
2026-10-06
FILING PARTY: PETITIONER
1024
EX1024 - US20190335143A1 Exhibit
2026-10-06
FILING PARTY: PETITIONER