Conversation so far:
What was the legal battle about?
it was on who owned the Broken gimmick
What is the broken gimmick?
Matt Hardy's in-ring persona, character, behaviour, attire and/or other distinguishing traits while performing which are usually artificially created in order to draw fan interest
Who else claims to own the broken gimmick besides Matt Hardy?
Anthem Sports & Entertainment
What else is the issue on the broken gimmick over?
who credits the invention of and the vision behind the Broken gimmick
Who disputes that they own the broken gimmick?
Matt Hardy

Question: What year did this happen?
Self-contained rewrite: What year did the legal dispute for the broken gimmick happen?