But the trustees are fighting back. Appearing in the High Court at Auckland this morning, Guardian applied to have the claims against it struck out.
While the trustee did have duties to investors, Guardian's lawyer Ralph Simpson said these were not responsibilities that makes it liable in this case.
Guardian's duties did not extend to ensuring the truth of Hanover's prospectus, other than confirming that the terms of the offer to investors complied with the trust deed, he said.
Aside from this confirmation, Guardian made no statements to investors regarding information in the offer documents, Simpson said.
"We also have a letter from the directors to the trustees verifying various matters about the prospectus including that it complies with the Securities legislation. This is a critical document," Simpson said.
If Guardian was unsuccessful in its strike out attempt, Simpson said it would likely apply for security for its legal costs from Hotchin.
This sort of ongoing action would result in "diminishing assets which would otherwise be available for investors," he said.
Commenting on the case in general, Simpson said:
"This litigation will go on for years. It will be horrendously expensive for any party to the proceedings."