8756336

2 known cases. View patent page →

Cases
2
Active
0
2 closed
Filed
2023–2024
Top venue
E.D. Texas Marshall
1 case

Cellspin Soft, Inc. v. Panasonic Corporation et al.

unresolved
Docket:
2:23-cv-00227
Filed:
2023-05-22

Cellspin Soft filed suit in E.D. Tex. against Panasonic entities, asserting multiple Cellspin patents including US 8,862,757. The AO 120 filing confirms '757 is among the patents-in-suit; the docket outcome was not captured.

TikTok Inc. v. Cellspin Soft, Inc.

terminated
Docket:
IPR2024-00757
Filed:
2024-04-01
Terminated:
2026-03-31
Patents:8756336

TikTok Inc. petitioned for inter partes review of U.S. 8,756,336, challenging all claims 1–5. The PTAB instituted review, but on March 31, 2026, the Director terminated the IPR for failure to identify all real parties in interest.