Towards the end of his tenure at the Ministry of Justice, the translation of the Mandatory Criminal Law Ordinance was completed, and a new and integrated Penal Code was formulated.

Zadok stood by Barak when he decided to prosecute, and refused calls from within the Labor Party to intervene in the investigation.

In the 1980s and 1990s, alongside his work in his own private law office, Haim Zadok & Co., he devoted time to public activity.

During the Kav 300 affair, he called for exercising the full rigor of the law with the Shin Bet, and protested the attempts to subvert the investigation and to grant pardons before the legal process had been completed.

[4] He also spoke out against the granting of a pardon to the members of the Jewish Underground and opposed the Israeli occupation of the West Bank and the Gaza Strip.

[2] He also represented Time magazine when a libel suit was brought against it by Ariel Sharon concerning the Sabra and Shatila massacre.

[2] In 1999 he was last on One Israel's list for the fifteenth Knesset[1] and received the Solomon Bublick Award of the Hebrew University of Jerusalem.