It was signed on March 8.
New Zealand released the previously secret text of the agreement on February 21
https://www.smh.com.au/politics/federal/tpp-new-zealand-sheds-light-on-the-deal-australia-is-about-to-sign-20180221-p4z14b.html
After years of campaigning against the dodgy deal and after loss of support from the US, last year people power celebrated the death of the dirty deal. Since then, the Australian Government and others have been working tirelessly behind closed doors to resurrect the TPP, without the US.
Worst of all, the widely-condemned ISDS clause (Investor-state dispute settlement) — that gives multinational corporations power to sue governments when health and environment policies hurt their mega profits is still in it.
Read more here
See Martin Khor’s analysis in TWN News here