Samsung Electronics Co., Ltd. et al. vs. Maxell, LTD.
Explore the PTAB proceeding IPR2025-01309 filed by Samsung Electronics Co., Ltd. et al. on 2025-08-28. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.
Proceeding Overview
Proceeding Number
IPR2025-01309
Filing Date
2025-08-28
Accorded Filing Date
2025-08-28
Institution Decision Date
2026-02-10
Last Modified Date
2026-08-04
Proceeding Type
IPR
Termination Date
—
Trial Status
Trial Instituted
Parties & Counsel
Petitioner
Samsung Electronics Co., Ltd. et al.
Represented By
Limbach, Alanet alPatent Owner / Respondent
Maxell, LTD.
Represented By
Pluta, Robertet alTribunal & Venue
Tribunal
Patent Trial and Appeal Board (USPTO)
Technology Center
TC 2600 - Communications
Patent Information
Respondent Application Number
11480971
Respondent Patent Number
7577417
External Links
Respondent Inventor
Tamotsu Ito et al
Respondent Tech Center
TC 2600 - Communications
Address and Attorney/Agent Information
Power of Attorney & Correspondence
Firm
/ Entity Name
BRUNDIDGE & STANGER, P.C.
Customer
Number
—
Address
1925 BALLENGER AVENUE, STE. 560, ALEXANDRIA, VA, 22314, UNITED STATES
Attorney / Agent Information
| Reg # | Name | Phone |
|---|---|---|
| 29621 | Carl Brundidge | 703-684-1470 |
| 30969 | Thomas Peterson | 703-328-7249 |
| 59047 | David Moore | 202-375-9052 |
| 60645 | Theodore Shih | 571-384-8352 |
| 75535 | Leena Mauskar | 571-384-8352 |
| 78307 | Misung Lee | 571-384-8352 |
| L1107 | Kumiko Kitaoka | 703-684-1470 |
Proceeding Documents
81
1031
Hargrave’s Communications Dictionary Excerpts Exhibit
2026-08-04
FILING PARTY: PETITIONER
1030
Deposition Transcript of Dr. Brogioli, dated July 24, 2026 Exhibit
2026-08-04
FILING PARTY: PETITIONER
1032
McGraw-Hill Dictionary of Electrical and Computer Engineering Excerpts Exhibit
2026-08-04
FILING PARTY: PETITIONER
1033
Supplemental Declaration of Dr. R. Jacob Baker in Support of Petitioners’ Reply Exhibit
2026-08-04
FILING PARTY: PETITIONER
24
Petitioners' Reply to Patent Owner's Response REPLYTOOPP
2026-08-04
FILING PARTY: PETITIONER