8676852

3 known cases. View patent page →

Cases
3
Active
1
2 closed
Filed
2019–2021
Top venue
S.D. New York
1 case

Filing activity

2019: 1 case1'192020: 1 case'202021: 1 case'21
Cases asserting US Patent 8676852 filed per year.

Kannuu Pty Ltd. v. Samsung Electronics Co., Ltd. et al.

active
Docket:
1:19-cv-04297-ER
Filed:
2019-05-10

Patent infringement and breach of NDA action. The original complaint asserted the '393, '852, '354, and '264 patents; the First Amended Complaint added the '579 patent. The case was stayed pending IPRs; the original patents were invalidated, and in 2025 the court granted leave to amend to substitute two newly-issued patents. Ongoing as of the record.

Ex Parte Reexamination of U.S. Patent No. 8,676,852

all claims cancelled
Court:
USPTO
Filed:
2021-05-28
Terminated:
2024-05-24
Patents:8676852

Ex parte reexamination of the '852 patent, requested by Samsung on May 28, 2021. The USPTO ordered reexamination, finally rejected the claims, the PTAB affirmed invalidity, and a reexamination certificate cancelling all claims issued on May 24, 2024.