An Australian Patent Opposition Round-Up from the Patent Office Journal dated 19 April 2012.
Acceptance of the following patent applications has been opposed as at 19 April 2012.
| Patent Application No. | Applicant(s) | Opponent |
| 2009100535 | D&I Klein Investments Pty Ltd | Richbury Pty Ltd |
No additional opposition proceedings have been withdrawn as at 19 April 2012.
No applications for an Extension of Patent Term have been made or accepted as at 19 April 2012.