A Q&A guide to patent litigation in Japan.

This Q&A gives a high-level overview of patent disputes, including sources of law, court systems, substantive law, parties to litigation, enforcement options, competition and anti-trust issues, procedure in civil courts, preliminary relief, final remedies, appeal procedure, litigation costs, and standard essential patents (SEPs), fair, reasonable and non-discriminatory (FRAND) licensing, and anti-suit injunctions.