A prosecution is not a bar within the meaning of sections 2C:1-9, 10 and 11 under any of the following circumstances:
a. The former prosecution was before a court which lacked jurisdiction over the defendant or the offense tried in that court; or
b. The former prosecution was procured by the defendant without the knowledge of the appropriate prosecuting officer; or
c. The former prosecution resulted in a judgment of conviction which was held invalid in a subsequent proceeding on a petition for post-conviction relief or similar process, except that any bar as to reprosecution for a greater inclusive offense created by section 2C:1-9a. shall apply.