Zoom Communications, Inc. vs. Ricoh Company, Ltd. et al.
Explore the PTAB proceeding IPR2026-00453 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
IPR2026-00453
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
16589700
Respondent Patent Number
10931917
External Links
Respondent Inventor
Kenji TANAKA et al
Respondent Tech Center
TC 2600 - Communications
Address and Attorney/Agent Information
Power of Attorney & Correspondence
Firm
/ Entity Name
OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P.
Customer
Number
22850
Address
1940 DUKE STREET, ALEXANDRIA, VA, 22314, UNITED STATES
Attorney / Agent Information
| Reg # | Name | Phone |
|---|---|---|
| 24618 | Norman Oblon | 703-413-3000 |
| 24854 | Arthur Neustadt | 703-413-3000 |
| 26395 | Charles Gholz | 703-412-6485 |
| 27757 | Richard Kelly | 703-412-6403 |
| 28870 | Eckhard Kuesters | 703-413-3000 |
| 29099 | Robert Pous | 703-413-3000 |
| 32884 | Stephen Baxter | 703-413-3000 |
| 34426 | Carl Schlier | 703-413-3000 |
Proceeding Documents
25
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
2026-09-01
FILING PARTY: BOARD
1002
EX1002- US Patent No. 10931917 - File History Exhibit
2026-08-24
FILING PARTY: PETITIONER
1014
EX1014- Hill- US8190785 Exhibit
2026-08-24
FILING PARTY: PETITIONER