John, I don't think most people get what a legal framework is or is not. We have letters of intent, memorandums of understandings, restrictive covenants and the clear laws of the countries involved. These are all considerations and machinations before any deal gets done.
We have WIPO, WTO, WMF and the UN in general. Then we have regional "associations" like ASEAN. These are all pseudo regulatory groups that basically rule the day. Loosely speaking.
Then you have just plain old clear optimization of profits for multinational corporations and they answer to stockholders boards and securities enforcement.
Then you have already in place mandatory, sanctions, tariffs, and taxes and labor codes and shipping practices (maritime stuff). Yes a free trade does not abolish mandatory taxation already in place without legislation from the taxing country.
Now you throw into that mix just general "globalization" economies of scale and supply and demand. And don't ever forget international banking and finance.
See where I am going? There ain't no such thing as a "free trade deal". Did I even mention personalities like Obama versus XI Jinping or Buffet versus Slim versus the Waltons? And what about public opinion and stock values if something is horribly amiss like a boycott.
So the TPP is just another framework that tries to limit governmental dictation of markets by fiat. It is another damned bureaucracy and hurdle but usually a rather insignificant one in the world of trade.
So I do not support another bureaucracy but I do support more limitations on governments mucking up business.