# IPR2018-00255 revision history

Append-only Arc G field-change log. Forward-only honesty: events accrue from Arc G adoption.

Patent litigation: [IPR2018-00255](/patent-litigations/quanergy-v-velodyne-ptab-558-2018.md)

_No events on file. Arc G is forward-only; the recorded event log accrues from Arc G adoption (2026-06-04). For the current state of this litigation, see the litigation page._

## Forward-only note

Arc G is forward-only. The event log accrues from the Arc G adoption point. Fields with no events post-baseline equal the current cached value and are not independently verified at any prior date.

_Canonical URL: /patent-litigations/quanergy-v-velodyne-ptab-558-2018/history. HTML: [/patent-litigations/quanergy-v-velodyne-ptab-558-2018/history](/patent-litigations/quanergy-v-velodyne-ptab-558-2018/history)._