Zoom Communications, Inc. vs. Ricoh Company, Ltd. et al.
Explore the PTAB proceeding IPR2026-00461 filed by Zoom Communications, Inc. on 2026-08-24. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.
Proceeding Overview
Proceeding Number
IPR2026-00461
Filing Date
2026-08-24
Accorded Filing Date
2026-08-24
Institution Decision Date
—
Last Modified Date
2026-09-14
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
16697190
Respondent Patent Number
11289093
External Links
Respondent Inventor
Takuro MANO
Respondent Tech Center
TC 2600 - Communications
Address and Attorney/Agent Information
Power of Attorney & Correspondence
Firm
/ Entity Name
Xsensus
Customer
Number
154930
Address
8521 Leesburg Pike, Suite 310, Vienna, VA, 22182, UNITED STATES
Attorney / Agent Information
| Reg # | Name | Phone |
|---|---|---|
| 32562 | Scott Daniels | 202-822-1100 |
| 34648 | James Kulbaski | 571-376-6333 |
| 35292 | Susan Morse | 571-376-6333 |
| 40073 | Bradley Lytle | 571-376-6333 |
| 47288 | Catherine Lytle | 571-214-8959 |
| 53868 | David Wood | 443-831-8737 |
| 54719 | Zachary Stern | 571-376-6340 |
| 56944 | Derek Benke | 571-376-6306 |
Proceeding Documents
18
5
Patent Owner Power of Attorney NOTICE
2026-09-14
FILING PARTY: PATENT OWNER
4
Patent Owner Mandatory Notice NOTICE
2026-09-14
FILING PARTY: PATENT OWNER
3
Notice: NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE NOTICE
2026-09-04
FILING PARTY: BOARD
2
Power_of_Attorney (PO) NOTICE
2026-08-24
FILING PARTY: PETITIONER
1001
EX1001_US11289093B2 Exhibit
2026-08-24
FILING PARTY: PETITIONER