Nchain blockchain patent challenged

On July 10, 2025, Unified Patents filed an ex parte reexamination proceeding against U.S. Patent 12,032,677, owned by Nchain Holdings Limited, an NPE. The ‘677 patent generally relates to consensus-based electronic ledgers, and in particular to blockchain implementations and technologies.

Unified is represented by Steven Cortiaus at Slater Matsil, and by in-house counsel, T.J. Murphy and Jason Wejnert, in this proceeding.