In this index, 5 federal civil lawsuits name a party recorded as Arm Ltd, most often as a defendant (3 of 5). These may be different parties who share the name; records here are grouped by name only. These cases are most often Patent and Contract matters, filed between 2011 and 2026, most frequently in District Court, D. Delaware. The most common causes of action are Patent Infringement, Breach of Contract, and Trademark.